Age and Sex in Congressional District 1, Iowa (Congressional District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the congressional districts in Iowa.
Scope: population of Iowa, Congressional District 1, and other congressional districts in Iowa
Congressional District 1
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-419,70219.7k2.559%2.56%16,83616.8k2.187%2.19%23,79523.8k3.091%3.09%29,19529.2k3.792%3.79%20,47120.5k2.659%2.66%16,84916.8k2.188%2.19%27,81527.8k3.613%3.61%20,42920.4k2.653%2.65%53,74153.7k6.980%6.98%54,44654.4k7.072%7.07%47,55747.6k6.177%6.18%43,07143.1k5.594%5.59%44,74444.7k5.812%5.81%47,50747.5k6.171%6.17%45,40645.4k5.898%5.90%33,37433.4k4.335%4.33%11,60011.6k1.507%1.51%13,10813.1k1.703%1.70%23,01023.0k2.989%2.99%30,24730.2k3.929%3.93%50,28450.3k6.531%6.53%49,27149.3k6.400%6.40%47,43847.4k6.162%6.16%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Congressional District 1
Female Male
Iowa
Congressional District 1
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.201957%-0.053752%-0.192490%-0.053856%-0.255709%0.26%0.201957%0.192490%0.201957%0.20%126,848127k16.476%16.5%-0.639193%-0.638182%-0.639193%0.64%0.639193%0.005211%0.638182%0.001353%0.644404%0.64%247,059247k32.090%32.1%-0.605197%-0.619125%-0.605197%0.61%0.605197%0.023762%0.619125%0.025145%0.628959%0.63%171,031171k22.215%22.2%-0.774098%-0.735381%-0.774098%0.77%0.774098%0.001299%0.735381%0.054111%0.775397%0.78%47,71847.7k6.198%6.20%-0.625719%-0.634612%-0.625719%0.63%0.625719%0.027522%0.634612%0.031800%0.653241%0.65%177,240177k23.021%23.0%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval 265+ 340-64 422-39 518-21 60-17

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Congressional District 1
Female Male
Iowa
Congressional District 1
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.053627%-0.052686%-0.051411%-0.053545%-0.106313%0.11%0.053627%0.051411%0.053627%0.05%19,70219.7k2.559%2.56%-0.186986%-0.063385%-0.174468%-0.075066%-0.250371%0.25%0.186986%0.174468%0.186986%0.19%16,83616.8k2.187%2.19%-0.269179%-0.079777%-0.248144%-0.065989%-0.348956%0.35%0.269179%0.248144%0.269179%0.27%23,79523.8k3.091%3.09%-0.356308%-0.045798%-0.334521%-0.038389%-0.402106%0.40%0.356308%0.334521%0.356308%0.36%29,19529.2k3.792%3.79%-0.432439%-0.021431%-0.424367%-0.036879%-0.453871%0.45%0.432439%0.424367%0.432439%0.43%20,47120.5k2.659%2.66%-0.526370%-0.041499%-0.524144%-0.037115%-0.567869%0.57%0.526370%0.524144%0.526370%0.53%16,84916.8k2.188%2.19%-0.601337%-0.001602%-0.595229%-0.000536%-0.602939%0.60%0.601337%0.595229%0.601337%0.60%27,81527.8k3.613%3.61%-0.659570%-0.007598%-0.663219%-0.010462%-0.667168%0.67%0.659570%0.663219%0.659570%0.66%20,42920.4k2.653%2.65%-0.695548%-0.004962%-0.675983%-0.012541%-0.700510%0.70%0.695548%0.675983%0.695548%0.70%53,74153.7k6.980%6.98%-0.706277%-0.690906%-0.006245%-0.706277%0.71%0.706277%0.001818%0.690906%0.708096%0.71%54,44654.4k7.072%7.07%-0.610602%-0.607007%-0.610602%0.61%0.610602%0.014210%0.607007%0.012683%0.624812%0.62%47,55747.6k6.177%6.18%-0.549944%-0.571295%-0.549944%0.55%0.549944%0.018990%0.571295%0.017376%0.568934%0.57%43,07143.1k5.594%5.59%-0.577688%-0.587487%-0.577688%0.58%0.577688%0.006962%0.587487%0.012483%0.584650%0.58%44,74444.7k5.812%5.81%-0.603874%-0.628104%-0.603874%0.60%0.603874%0.026367%0.628104%0.026170%0.630241%0.63%47,50747.5k6.171%6.17%-0.570623%-0.601386%-0.570623%0.57%0.570623%0.038291%0.601386%0.033864%0.608913%0.61%45,40645.4k5.898%5.90%-0.710875%-0.686455%-0.710875%0.71%0.710875%0.023207%0.686455%0.030011%0.734082%0.73%33,37433.4k4.335%4.33%-0.730488%-0.733441%-0.730488%0.73%0.730488%0.045720%0.733441%0.046900%0.776209%0.78%11,60011.6k1.507%1.51%-0.846348%-0.009871%-0.770169%-0.856220%0.86%0.846348%0.770169%0.056074%0.846348%0.85%13,10813.1k1.703%1.70%-0.739515%-0.015327%-0.718956%-0.754842%0.75%0.739515%0.718956%0.056734%0.739515%0.74%23,01023.0k2.989%2.99%-0.648053%-0.640338%-0.648053%0.65%0.648053%0.013465%0.640338%0.030076%0.661518%0.66%30,24730.2k3.929%3.93%-0.640580%-0.639003%-0.640580%0.64%0.640580%0.025094%0.639003%0.033033%0.665674%0.67%50,28450.3k6.531%6.53%-0.626526%-0.643465%-0.626526%0.63%0.626526%0.026887%0.643465%0.031842%0.653413%0.65%49,27149.3k6.400%6.40%-0.596652%-0.617932%-0.596652%0.60%0.596652%0.039018%0.617932%0.031559%0.635670%0.64%47,43847.4k6.162%6.16%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Iowa and Congressional District 1
More Females More Males
Iowa
Congressional District 1
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-98.244021%-104.151992%-98.244021%98.2%0.5040.5066.470%66.5%33.530%33.5%-33.898305%-43.025830%-33.898305%33.9%0.7470.7557.246%57.2%42.754%42.8%-29.637136%-26.592985%-29.637136%29.6%0.7710.7756.453%56.5%43.547%43.5%-12.853602%-11.475915%-12.853602%12.9%0.8860.8953.019%53.0%46.981%47.0%-4.955947%-8.690265%-4.955947%5.0%0.9530.9551.209%51.2%48.791%48.8%-7.884022%-7.081005%-7.884022%7.9%0.9270.9351.896%51.9%48.104%48.1%-0.266398%-0.090132%-0.266398%0.3%0.9971.0050.067%50.1%49.933%49.9%-1.152028%-1.577402%-1.152028%1.2%0.9890.9950.286%50.3%49.714%49.7%-0.713352%-1.855238%-0.713352%0.7%0.9930.9950.178%50.2%49.822%49.8%-0.903856%0.257467%0.257467%0.3%1.0031.0049.936%49.9%50.064%50.1%2.327164%2.089388%2.327164%2.3%1.0231.0249.425%49.4%50.575%50.6%3.453000%3.041504%3.453000%3.5%1.0351.0349.151%49.2%50.849%50.8%1.205144%2.124838%1.205144%1.2%1.0121.0149.701%49.7%50.299%50.3%4.366343%4.166539%4.366343%4.4%1.0441.0448.932%48.9%51.068%51.1%6.710371%5.630908%6.710371%6.7%1.0671.0748.377%48.4%51.623%51.6%3.264511%4.371952%3.264511%3.3%1.0331.0349.197%49.2%50.803%50.8%6.258890%6.394558%6.258890%6.3%1.0631.0648.483%48.5%51.517%51.5%-1.166360%-1.166360%1.2%7.280782%0.9880.9950.290%50.3%49.710%49.7%-2.072539%-2.072539%2.1%7.891202%0.9800.9850.513%50.5%49.487%49.5%2.077766%4.696873%2.077766%2.1%1.0211.0249.486%49.5%50.514%50.5%3.917434%5.169461%3.917434%3.9%1.0391.0449.039%49.0%50.961%51.0%4.291401%4.948524%4.291401%4.3%1.0431.0448.950%48.9%51.050%51.1%6.539533%5.107154%6.539533%6.5%1.0651.0748.417%48.4%51.583%51.6%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by County in Congressional District 1

Children Age Cohorts by County#5

Percentage of population aged 0 to 17 (%):
18.7%20.4%21.9%23.5%25.1%26.7%

College Age Cohorts by County#6

Percentage of population aged 18 to 21 (%):
3.0%5.0%6.9%8.7%10.6%12.6%

20s Age Cohorts by County#7

Percentage of population aged 22 to 29 (%):
7.2%8.5%9.7%10.9%12.2%13.4%

30s Age Cohorts by County#8

Percentage of population aged 30 to 39 (%):
8.8%9.8%10.7%11.7%12.6%13.6%

40s Age Cohorts by County#9

Percentage of population aged 40 to 49 (%):
10.3%11.0%11.7%12.4%13.0%13.8%

50s Age Cohorts by County#10

Percentage of population aged 50 to 59 (%):
12.5%13.4%14.2%15.1%15.9%16.8%

60s Age Cohorts by County#11

Percentage of population aged 60 to 69 (%):
9.9%10.8%11.7%12.6%13.5%14.4%

70s Age Cohorts by County#12

Percentage of population aged 70 to 79 (%):
5.9%6.7%7.5%8.3%9.1%9.9%

80+ Age Cohorts by County#13

Percentage of population aged 80 and older (%):
3.7%4.5%5.2%5.9%6.6%7.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by County Subdivision in Congressional District 1

Children Age Cohorts by County Subdivision#14

Percentage of population aged 0 to 17 (%):
0%10%21%31%42%52%

College Age Cohorts by County Subdivision#15

Percentage of population aged 18 to 21 (%):
0%12%24%37%49%62%

20s Age Cohorts by County Subdivision#16

Percentage of population aged 22 to 29 (%):
0%5%11%16%22%28%

30s Age Cohorts by County Subdivision#17

Percentage of population aged 30 to 39 (%):
0%6%12%18%24%31%

40s Age Cohorts by County Subdivision#18

Percentage of population aged 40 to 49 (%):
0%8%16%24%33%41%

50s Age Cohorts by County Subdivision#19

Percentage of population aged 50 to 59 (%):
0%12%24%36%48%61%

60s Age Cohorts by County Subdivision#20

Percentage of population aged 60 to 69 (%):
0%10%20%30%40%50%

70s Age Cohorts by County Subdivision#21

Percentage of population aged 70 to 79 (%):
0%6%11%17%22%29%

80+ Age Cohorts by County Subdivision#22

Percentage of population aged 80 and older (%):
0.0%3.4%6.7%10.1%13.5%16.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Congressional District 1

Children Age Cohorts by Tract#23

Percentage of population aged 0 to 17 (%):
0%7%14%21%28%35%

College Age Cohorts by Tract#24

Percentage of population aged 18 to 21 (%):
0%17%33%50%66%83%

20s Age Cohorts by Tract#25

Percentage of population aged 22 to 29 (%):
3.6%8.6%13.6%18.6%23.6%28.6%

30s Age Cohorts by Tract#26

Percentage of population aged 30 to 39 (%):
1.3%5.4%9.6%13.7%17.8%22.0%

40s Age Cohorts by Tract#27

Percentage of population aged 40 to 49 (%):
0.3%4.2%8.1%11.9%15.8%19.7%

50s Age Cohorts by Tract#28

Percentage of population aged 50 to 59 (%):
0.6%5.0%9.2%13.5%17.7%22.0%

60s Age Cohorts by Tract#29

Percentage of population aged 60 to 69 (%):
0.6%4.6%8.5%12.5%16.4%20.4%

70s Age Cohorts by Tract#30

Percentage of population aged 70 to 79 (%):
0.7%3.3%5.9%8.4%11.0%13.6%

80+ Age Cohorts by Tract#31

Percentage of population aged 80 and older (%):
0.0%3.0%6.0%9.0%12.0%15.0%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Congressional District 1

There are 237 places that are fully or partially contained within Congressional District 1 (233 fully and 4 partially). This section compares the 50 most populous of those to each other, Congressional District 1, and other entities that contain or substantially overlap with Congressional District 1. The least populous of the compared places has a population of 1,688.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected places in Congressional District 1, and entities that contain Congressional District 1
0%10%20%30%Count#PeostaPostvilleAsburyCenter PointFairfaxElyToledoTamaLa Porte CityJesupBelle PlaineCrescoFarleyEpworthWilliamsburgMarshalltownMarionManchesterLisbonDenverMarengoSumnerRobinsHudsonDyersvilleAtkinsHiawathaMount VernonMaquoketaMonticelloWaterlooWest North CentralIowaMidwestUnited States of AmericaUnited StatesCascadeCongressional District 1IA-1Cedar RapidsIndependenceWest UnionVintonTraerNorthwoodBellevueOelweinDubuqueWaverlyOsageEvansdaleWaukonGrinnellAnamosaGuttenbergCedar FallsDecorah39.393939%39.393939%39.4%741136.256028%36.256028%36.3%827231.936166%31.936166%31.9%1,661331.312325%31.312325%31.3%785431.058726%31.058726%31.1%751529.676512%29.676512%29.7%633628.387954%28.387954%28.4%641728.283898%28.283898%28.3%801827.632127%27.632127%27.6%664927.625489%27.625489%27.6%7761026.971116%26.971116%27.0%6911126.908049%26.908049%26.9%1,0331226.481043%26.481043%26.5%4471326.353965%26.353965%26.4%5451426.304071%26.304071%26.3%8271526.091833%26.091833%26.1%7,2111625.896554%25.896554%25.9%9,6331725.811529%25.811529%25.8%1,3121825.157233%25.157233%25.2%4801925.137817%25.137817%25.1%4562025.042706%25.042706%25.0%7332124.716553%24.716553%24.7%5452224.606872%24.606872%24.6%8452324.523612%24.523612%24.5%5922424.521531%24.521531%24.5%1,0252524.401635%24.401635%24.4%4182624.287709%24.287709%24.3%1,7392724.047248%24.047248%24.0%1,0792823.966805%23.966805%24.0%1,4442923.733263%23.733263%23.7%9043023.725441%23.725441%23.7%16,21816.2k3123.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.104146%23.104146%23.1%4573223.021291%23.021291%23.0%177,240177k22.994202%22.994202%23.0%29,78629.8k3322.731057%22.731057%22.7%1,3653422.723765%22.723765%22.7%5893522.590012%22.590012%22.6%1,1673622.062212%22.062212%22.1%3833721.802175%21.802175%21.8%4213821.796626%21.796626%21.8%4783921.291364%21.291364%21.3%1,3194020.761937%20.761937%20.8%12,15312.2k4120.549308%20.549308%20.5%2,0654220.435142%20.435142%20.4%7424319.920734%19.920734%19.9%9554419.360803%19.360803%19.4%7334519.304214%19.304214%19.3%1,7594618.666422%18.666422%18.7%1,0194717.944785%17.944785%17.9%3514817.796610%17.796610%17.8%7,2664910.732624%10.732624%10.7%85750
Count number of children
# rank of place out of 50 by %

Age Cohorts by Metro Area in Congressional District 1

There are 5 metro areas that are fully or partially contained within Congressional District 1 (3 fully and 2 partially). This section compares all 5 of those to each other, Congressional District 1, and other entities that contain or substantially overlap with Congressional District 1.

Children by Metro Area#41

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected metro areas in Congressional District 1, and entities that contain Congressional District 1
0%5%10%15%20%25%Count#Marshalltown Metro AreaMarshalltownCedar Rapids Metro AreaCedar RapidsWest North CentralIowaMidwestUnited States of AmericaUnited StatesDubuque Metro AreaDubuque AreaCongressional District 1IA-1Waterloo and Cedar Falls Metro AreaWaterloo AreaMason City Metro AreaMason City25.003069%25.003069%25.0%10,18510.2k123.789055%23.789055%23.8%62,86962.9k223.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.102149%23.102149%23.1%22,26122.3k323.021291%23.021291%23.0%177,240177k21.775376%21.775376%21.8%36,98737.0k420.904355%20.904355%20.9%10,63310.6k5
Count number of children
# rank of metro area out of 5 by %

Age Cohorts by County in Congressional District 1

There are 20 counties in Congressional District 1. This section compares all 20 of those to each other, Congressional District 1, and other entities that contain or substantially overlap with Congressional District 1.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected counties in Congressional District 1, and entities that contain Congressional District 1
0%5%10%15%20%25%Count#Buchanan CountyBuchananHoward CountyHowardMarshall CountyMarshallBenton CountyBentonMitchell CountyMitchellTama CountyTamaDelaware CountyDelawareLinn CountyLinnWest North CentralIowaIowa CountyIowaMidwestUnited States of AmericaUnited StatesDubuque CountyDubuqueCongressional District 1IA-1Allamakee CountyAllamakeeJackson CountyJacksonClayton CountyClaytonBremer CountyBremerJones CountyJonesBlack Hawk CountyBlack HawkWorth CountyWorthFayette CountyFayettePoweshiek CountyPoweshiekWinneshiek CountyWinneshiek26.679663%26.679663%26.7%5,611125.026511%25.026511%25.0%2,360225.003069%25.003069%25.0%10,18510.2k324.642302%24.642302%24.6%6,338424.346937%24.346937%24.3%2,619524.203639%24.203639%24.2%4,217624.029808%24.029808%24.0%4,192723.886168%23.886168%23.9%52,09052.1k823.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.349259%23.349259%23.3%3,812923.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.102149%23.102149%23.1%22,26122.3k1023.021291%23.021291%23.0%177,240177k22.376973%22.376973%22.4%3,1331122.300169%22.300169%22.3%4,3551222.058077%22.058077%22.1%3,9121322.016786%22.016786%22.0%5,4301421.683512%21.683512%21.7%4,4411521.563608%21.563608%21.6%28,64128.6k1621.475800%21.475800%21.5%1,6241721.362366%21.362366%21.4%4,3561820.191172%20.191172%20.2%3,7601918.774352%18.774352%18.8%3,90320
Count number of children
# rank of county out of 20 by %

Age Cohorts by County Subdivision in Congressional District 1

There are 357 county subdivisions in Congressional District 1. This section compares the 50 most populous of those to each other, Congressional District 1, and other entities that contain or substantially overlap with Congressional District 1. The least populous of the compared county subdivisions has a population of 2,362.

Children by County Subdivision#59

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected county subdivisions in Congressional District 1, and entities that contain Congressional District 1
0%10%20%30%Count#Vernon TownshipVernonPost TownshipPutnam TownshipPutnamCenter TownshipCtrPerry TownshipPerryToledo TownshipToledoFremont TownshipFremontTaylor TownshipTaylorDubuque TownshipDubuqueFairfax TownshipFairfaxTama TownshipBelle PlaineWashington TownshipWashingtonSumner TownshipSumnerBig Creek TownshipBig CrkTroy TownshipTaylor TownshipTaylorFranklin TownshipFranklinMarion TownshipMarionVernon Springs TownshipVernon SpgsLovell TownshipLovellDelaware TownshipDelawareBlack Hawk TownshipBlack HawkTable Mound TownshipTable MoundWaterlooWest North CentralIowaMidwestJefferson TownshipJeffersonUnited States of AmericaUnited StatesCongressional District 1IA-1Cedar RapidsMarengo TownshipMarengoBellevue TownshipBellevueWest UnionVintonSouth Fork TownshipS ForkNew Wine TownshipNew WineTimber Creek TownshipTimber CrkWashington TownshipWashingtonMonroe TownshipMonroeJefferson TownshipJeffersonMaquoketa TownshipMaquoketaDubuqueWaverlyMakee TownshipMakeePoyner TownshipPoynerEvansdaleOsage TownshipOsageGrinnellFairview TownshipFairviewJefferson TownshipJeffersonBertram TownshipBertramCedar FallsDecorah TownshipDecorah35.888112%35.888112%35.9%1,283134.631668%34.631668%34.6%818233.144053%33.144053%33.1%1,109331.408200%31.408200%31.4%881428.968031%28.968031%29.0%1,033528.681424%28.681424%28.7%894628.215768%28.215768%28.2%680728.192913%28.192913%28.2%5,267828.020276%28.020276%28.0%1,990927.830189%27.830189%27.8%1,1801027.588445%27.588445%27.6%8501126.971116%26.971116%27.0%6911226.755336%26.755336%26.8%8651326.520611%26.520611%26.5%9201426.399116%26.399116%26.4%7171526.140603%26.140603%26.1%9111626.093330%26.093330%26.1%1,0681726.032219%26.032219%26.0%1,9231825.693630%25.693630%25.7%10,52010.5k1925.590286%25.590286%25.6%1,1382025.232919%25.232919%25.2%1,3002124.873511%24.873511%24.9%1,5242224.572883%24.572883%24.6%6762323.991507%23.991507%24.0%9042423.725441%23.725441%23.7%16,21816.2k2523.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.185232%23.185232%23.2%7412623.108006%23.108006%23.1%73,612,43873.6M23.021291%23.021291%23.0%177,240177k22.994202%22.994202%23.0%29,78629.8k2722.952756%22.952756%23.0%5832822.731906%22.731906%22.7%6692922.723765%22.723765%22.7%5893022.590012%22.590012%22.6%1,1673122.371968%22.371968%22.4%1,0793222.294737%22.294737%22.3%1,0593322.239929%22.239929%22.2%2,5123421.985651%21.985651%22.0%9503521.771899%21.771899%21.8%2,8313621.365944%21.365944%21.4%1,3893721.228857%21.228857%21.2%6153820.761937%20.761937%20.8%12,15312.2k3920.549308%20.549308%20.5%2,0654020.113901%20.113901%20.1%7774120.074983%20.074983%20.1%5894219.920734%19.920734%19.9%9554319.662338%19.662338%19.7%7574419.304214%19.304214%19.3%1,7594518.508511%18.508511%18.5%1,3704618.421053%18.421053%18.4%4764718.297456%18.297456%18.3%5614817.796610%17.796610%17.8%7,2664913.333333%13.333333%13.3%1,34450
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by Congressional District in Iowa

There are 4 congressional districts in Iowa. This section compares Congressional District 1 to all of the congressional districts in Iowa and to those entities that contain or substantially overlap with Congressional District 1.

Children by Congressional District#68

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected other congressional districts in Iowa, and entities that contain Congressional District 1
0%5%10%15%20%25%Count#Congressional District 3IA-3West North CentralIowaMidwestUnited States of AmericaUnited StatesCongressional District 1IA-1Congressional District 2IA-2Congressional District 4IA-425.054049%25.054049%25.1%200,716201k123.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.021291%23.021291%23.0%177,240177k222.819676%22.819676%22.8%177,012177k322.707544%22.707544%22.7%172,546173k4
Count number of children
# rank of congressional district out of 4 by %

Age Cohorts by Congressional District in the Midwest

There are 94 congressional districts in the Midwest. This section compares Congressional District 1 to all of the congressional districts in the Midwest and to those entities that contain or substantially overlap with Congressional District 1.

Children by Congressional District#77

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected other congressional districts in the Midwest, and entities that contain Congressional District 1
0%5%10%15%20%25%Count#Congressional District 4IL-4Congressional District 11IL-11Congressional District 14IL-14Congressional District 2NE-2Congressional District 3KS-3Congressional District 3IN-3Congressional District 7IN-7Congressional District 4KS-4Congressional District 6MN-6Congressional District 4WI-4Congressional District 2MN-2Congressional District 3IA-3Congressional District 2IN-2Congressional District 10IL-10Congressional District 13MI-13Congressional District 3OH-3Congressional District 3MI-3Congressional District (at Large)SD-At LargeCongressional District 3IL-3Congressional District 5IN-5Congressional District 2IL-2Congressional District 1OH-1Congressional District 1KS-1Congressional District 1NE-1Congressional District 8IL-8Congressional District 2MI-2Congressional District 6IL-6Congressional District 3MN-3Congressional District 12OH-12Congressional District 6MO-6Congressional District 1IN-1West North CentralIowaCongressional District 14MI-14MidwestUnited States of AmericaUnited StatesCongressional District 6MI-6Congressional District 1IA-1Congressional District 2IA-2Congressional District (at Large)ND-At LargeCongressional District 6IN-6Congressional District 10MI-10Congressional District 9IN-9Congressional District 16OH-16Congressional District 4MI-4Congressional District 9IL-9Congressional District 13IL-13Congressional District 13OH-13Congressional District 1MI-1Congressional District 5IL-526.678504%26.678504%26.7%187,369187k126.581427%26.581427%26.6%192,117192k226.534781%26.534781%26.5%192,504193k326.370425%26.370425%26.4%169,796170k426.015268%26.015268%26.0%194,115194k525.988211%25.988211%26.0%190,682191k625.983353%25.983353%26.0%194,171194k725.926085%25.926085%25.9%186,995187k825.861444%25.861444%25.9%177,777178k925.660803%25.660803%25.7%183,543184k1025.482301%25.482301%25.5%175,055175k1125.054049%25.054049%25.1%200,716201k1225.051250%25.051250%25.1%180,735181k1324.976146%24.976146%25.0%178,258178k1424.912789%24.912789%24.9%170,612171k1524.709186%24.709186%24.7%187,264187k1624.639289%24.639289%24.6%178,778179k1724.629931%24.629931%24.6%209,615210k1824.606744%24.606744%24.6%177,704178k1924.601353%24.601353%24.6%184,334184k2024.501554%24.501554%24.5%172,525173k2124.489329%24.489329%24.5%178,861179k2224.369540%24.369540%24.4%174,579175k2324.294695%24.294695%24.3%153,223153k2424.159372%24.159372%24.2%173,214173k2524.137526%24.137526%24.1%174,761175k2624.073663%24.073663%24.1%174,438174k2724.049912%24.049912%24.0%167,239167k2823.973184%23.973184%24.0%180,654181k2923.967371%23.967371%24.0%182,164182k3023.799303%23.799303%23.8%170,651171k3423.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.285216%23.285216%23.3%161,194161k4023.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.025091%23.025091%23.0%164,124164k4723.021291%23.021291%23.0%177,240177k4922.819676%22.819676%22.8%177,012177k5322.782621%22.782621%22.8%167,717168k5422.641355%22.641355%22.6%162,809163k6022.418514%22.418514%22.4%159,577160k6722.164831%22.164831%22.2%163,709164k7421.795911%21.795911%21.8%157,368157k8021.020995%21.020995%21.0%147,543148k8720.526626%20.526626%20.5%147,538148k9020.490324%20.490324%20.5%145,427145k9120.268535%20.268535%20.3%144,299144k9219.036809%19.036809%19.0%133,753134k9318.673971%18.673971%18.7%136,700137k94
Count number of children
# rank of congressional district out of 94 by %

Age Cohorts by Congressional District in the United States

There are 435 congressional districts in the United States. This section compares Congressional District 1 to all of the congressional districts in the United States and to those entities that contain or substantially overlap with Congressional District 1.

Children by Congressional District#86

Percentage of population aged 0 to 17 (%):
Scope: population of Congressional District 1, selected other congressional districts in the United States, and entities that contain Congressional District 1
0%10%20%30%Count#Congressional District 15TX-15Congressional District 4UT-4Congressional District 21CA-21Congressional District 33TX-33Congressional District 1UT-1Congressional District 28TX-28Congressional District 29TX-29Congressional District 7AZ-7Congressional District 3UT-3Congressional District 16CA-16Congressional District 34TX-34Congressional District 40CA-40Congressional District 4WA-4Congressional District 23TX-23Congressional District 15NY-15Congressional District 44CA-44Congressional District 22CA-22Congressional District 2UT-2Congressional District 30TX-30Congressional District 22TX-22Congressional District 7GA-7Congressional District 3AZ-3Congressional District 16TX-16Congressional District 8CA-8Congressional District 26TX-26Congressional District 41CA-41Congressional District 9CA-9Congressional District 13GA-13Congressional District 10CA-10Congressional District 23CA-23Congressional District 42CA-42Congressional District 7TX-7Congressional District 1ID-1Congressional District 6CA-6Congressional District (at Large)SD-At LargeCongressional District 1NE-1Congressional District 4OK-4West North CentralIowaCongressional District 1PA-1MidwestUnited States of AmericaUnited StatesCongressional District 1IA-1Congressional District 47CA-47Congressional District 6PA-6Congressional District 11NY-11Congressional District (at Large)MT-At LargeCongressional District (at Large)DE-At LargeCongressional District 5WA-5Congressional District 13NY-13Congressional District 5VA-5Congressional District 9MA-9Congressional District 28CA-28Congressional District 7WA-7Congressional District 11FL-11Congressional District 12CA-12Congressional District 12NY-1231.738394%31.738394%31.7%239,032239k131.722384%31.722384%31.7%240,331240k231.705891%31.705891%31.7%225,576226k331.647124%31.647124%31.6%227,846228k431.599463%31.599463%31.6%230,799231k531.369112%31.369112%31.4%230,701231k631.257647%31.257647%31.3%228,143228k731.248542%31.248542%31.2%239,831240k831.198482%31.198482%31.2%228,644229k930.717270%30.717270%30.7%221,505222k1030.040330%30.040330%30.0%215,786216k1129.527159%29.527159%29.5%209,476209k1229.253708%29.253708%29.3%206,150206k1328.758613%28.758613%28.8%213,206213k1428.506770%28.506770%28.5%213,197213k1528.469205%28.469205%28.5%205,294205k1628.304724%28.304724%28.3%209,299209k1728.234295%28.234295%28.2%205,422205k1828.156678%28.156678%28.2%209,988210k1928.073118%28.073118%28.1%228,598229k2027.944048%27.944048%27.9%212,797213k2127.881277%27.881277%27.9%206,230206k2227.810655%27.810655%27.8%203,579204k2327.711794%27.711794%27.7%198,463198k2427.623813%27.623813%27.6%219,935220k2527.583782%27.583782%27.6%203,928204k2627.564020%27.564020%27.6%203,705204k2727.469399%27.469399%27.5%200,378200k2827.446085%27.446085%27.4%200,088200k2927.400041%27.400041%27.4%200,034200k3027.224069%27.224069%27.2%207,268207k3225.737762%25.737762%25.7%193,828194k6325.632731%25.632731%25.6%213,707214k6624.794472%24.794472%24.8%182,103182k9424.629931%24.629931%24.6%209,615210k10424.294695%24.294695%24.3%153,223153k12523.840891%23.840891%23.8%185,454185k15623.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.369081%23.369081%23.4%167,962168k18723.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.021291%23.021291%23.0%177,240177k21523.014319%23.014319%23.0%165,003165k21822.518419%22.518419%22.5%162,753163k24922.120553%22.120553%22.1%161,294161k28021.987686%21.987686%22.0%225,020225k29121.845843%21.845843%21.8%204,192204k29821.658251%21.658251%21.7%149,691150k31121.037509%21.037509%21.0%161,587162k34220.352143%20.352143%20.4%148,938149k37319.537445%19.537445%19.5%143,525144k40416.057825%16.057825%16.1%115,133115k43115.904306%15.904306%15.9%116,027116k43215.694534%15.694534%15.7%114,230114k43313.077558%13.077558%13.1%96,81896.8k43411.643069%11.643069%11.6%84,52684.5k435
Count number of children
# rank of congressional district out of 435 by %

Definitions

The US Census reports extensively on the topics of age and sex, often reporting other topics broken down by age and sex cohorts. This page reports on age and sex alone; charts presenting other topics by age and sex can be found on their topic-specific pages.

  • Children: less than 18 years old
  • College: from 18 to 21 years old
  • 20s: from 22 to 29 years old, to not overlap the college category
  • Younger Adult: from 22 to 39 years old
  • Older Adult: from 40 to 64 years old
  • Senior: more than 64 years old

For additional information about the data presented on this site, including our sources, please see the About Page.

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State:
Iowa
Counties:
Allamakee, Benton, Black Hawk, Bremer, Buchanan, Clayton, Delaware, Dubuque, Fayette, Howard, Iowa, Jackson, Jones, Linn, Marshall, Mitchell, Poweshiek, Tama, Winneshiek, Worth
Metro Areas:
Cedar Rapids Area, Dubuque Area, Marshalltown Area, Mason City Area, Waterloo Area
Cities:
Albion, Alburnett, Anamosa, Andrew, Arlington, Asbury, Atkins, Aurora, Baldwin, Balltown, Bankston, Barnes City, Belle Plaine, Bellevue, Bernard, Bertram, Blairstown, Brandon, Brooklyn, Calmar, Carpenter, Cascade, Castalia, Cedar Falls, Cedar Rapids, Center Point, Central City, Centralia, Chelsea, Chester, Clayton, Clemons, Clermont, Clutier, Coggon, Colesburg, Cresco, Decorah, Deep River, Delaware, Delhi, Denver, Dubuque, Dundee, Dunkerton, Durango, Dyersville, Dysart, Earlville, Edgewood, Elberon, Elgin, Elk Run Heights, Elkader, Elkport, Elma, Ely, Epworth, Evansdale, Fairbank, Fairfax, Farley, Farmersburg, Fayette, Ferguson, Fertile, Fort Atkinson, Frederika, Garber, Garnavillo, Garrison, Garwin, Gilbertville, Gilman, Gladbrook, Graf, Grafton, Greeley, Grinnell, Guernsey, Guttenberg, Hanlontown, Harpers Ferry, Hartwick, Haverhill, Hawkeye, Hazleton, Hiawatha, Holy Cross, Hopkinton, Hudson, Independence, Jackson Junction, Janesville, Jesup, Joice, Kensett, Keystone, La Motte, La Porte City, Ladora, Lamont, Lansing, Laurel, Le Grand, Lime Springs, Lincoln, Lisbon, Liscomb, Luana, Luxemburg, Luzerne, Malcom, Manchester, Manly, Maquoketa, Marengo, Marion, Marquette, Marshalltown, Martelle, Masonville, Maynard, McGregor, McIntire, Melbourne, Miles, Millersburg, Mitchell, Monmouth, Monona, Montezuma, Monticello, Montour, Morley, Mount Auburn, Mount Vernon, New Albin, New Vienna, Newhall, North Buena Vista, North English, Northwood, Norway, Oelwein, Olin, Onslow, Orchard, Osage, Ossian, Osterdock, Oxford Junction, Palo, Parnell, Peosta, Plainfield, Postville, Prairieburg, Preston, Protivin, Quasqueton, Randalia, Raymond, Readlyn, Rhodes, Riceville, Rickardsville, Ridgeway, Robins, Rowley, Ryan, Sabula, Sageville, Searsboro, Shellsburg, Sherrill, Spillville, Spragueville, Springbrook, Springville, St. Ansgar, St. Anthony, St. Donatus, St. Lucas, St. Olaf, Stacyville, Stanley, State Center, Strawberry Point, Sumner, Tama, Toledo, Traer, Tripoli, Urbana, Van Horne, Victor, Vining, Vinton, Volga, Wadena, Walford, Walker, Waterloo, Waterville, Waucoma, Waukon, Waverly, West Union, Westgate, Williamsburg, Winthrop, Worthington, Wyoming, Zwingle
Townships:
Adams, Afton, Albion, Auburn, Bangor, Banks, Barclay, Barton, Bear Creek, Bellevue, Bennington, Benton, Bertram, Bethel, Big Creek, Big Grove, Black Hawk, Bloomfield, Bluffton, Boardman, Boulder, Brandon, Bremen, Bristol, Brookfield, Brown, Bruce, Buckingham, Buena Vista, Buffalo, Buffalo, Burr Oak, Burr Oak, Butler, Byron, Calmar, Canoe, Canton, Carlton, Carroll, Cascade, Cass, Cass, Castle Grove, Cedar, Cedar, Cedar, Cedar Falls, Center, Center, Center, Chester, Chester, Clark, Clay, Clayton, Clermont, Clinton, Coffins Grove, College, Colony, Columbia, Concord, Cono, Cox Creek, Crystal, Danville, Dayton, Dayton, Decorah, Deep River, Deer Creek, Delaware, Delhi, Dodge, Douglas, Douglas, Dover, Dubuque, Eagle, East Lincoln, East Waterloo, Eden, Eden, Eden, Eldorado, Elk, Elk, English, Fairbank, Fairfax, Fairfield, Fairfield, Fairview, Fairview, Farmers Creek, Farmersburg, Fayette, Fertile, Fillmore, Florence, Forest City, Fox, Franklin, Franklin, Franklin, Frankville, Frederika, Fremont, Fremont, Fremont, Fremont, Fremont, French Creek, Garnavillo, Geneseo, Giard, Glenwood, Grand Meadow, Grant, Grant, Grant, Greencastle, Greene, Greenfield, Grove, Hale, Hanover, Harlan, Harrison, Hartford, Hartland, Hazel Green, Hazleton, Hesper, Highland, Highland, Highland, Hilton, Homer, Homer, Honey Creek, Honey Creek, Howard, Howard, Howard Center, Illyria, Indian Village, Iowa, Iowa, Iowa, Iowa, Iowa, Jackson, Jackson, Jackson, Jackson, Jackson, Jackson, Jackson, Jamestown, Jefferson, Jefferson, Jefferson, Jefferson, Jefferson, Jefferson, Jefferson, Jefferson, Jenkins, Julien, Kane, Kensett, Lafayette, Lafayette, Lansing, Le Grand, Le Roy, Lenox, Leroy, Lester, Liberty, Liberty, Liberty, Liberty, Lincoln, Lincoln, Lincoln, Lincoln, Lincoln, Lincoln, Linn, Linton, Liscomb, Lodomillo, Logan, Lovell, Ludlow, Madison, Madison, Madison, Madison, Maine, Makee, Malcom, Mallory, Maquoketa, Marengo, Marietta, Marion, Marion, Marion, Maxfield, Mendon, Middlefield, Military, Millville, Milo, Minerva, Mitchell, Monmouth, Monona, Monroe, Monroe, Mosalem, Mount Vernon, New Oregon, New Wine, Newburg, Newton, North Fork, Oak Dale, Oneida, Oneida, Oran, Orange, Orleans, Osage, Otranto, Otter Creek, Otter Creek, Otter Creek, Oxford, Paint Creek, Paris, Perry, Perry, Perry, Peru, Pilot, Pleasant, Pleasant, Pleasant Valley, Polk, Polk, Post, Poyner, Prairie, Prairie Creek, Prairie Springs, Putnam, Putnam, Read, Richland, Richland, Richland, Richland, Rock, Rome, Salt Creek, Saratoga, Scotch Grove, Scott, Scott, Sheridan, Silver Lake, Smithfield, South Fork, South Fork, Sperry, Spring Creek, Spring Creek, Spring Grove, Springfield, St. Ansgar, St. Clair, Stacyville, State Center, Sugar Creek, Sumner, Sumner, Sumner, Sumner No. 2, Table Mound, Tama, Taylor, Taylor, Taylor, Taylor, Tete Des Morts, Timber Creek, Toledo, Troy, Union, Union, Union, Union, Union, Union, Union, Union, Union City, Union Prairie, Van Buren, Vernon, Vernon Springs, Vienna, Volga, Wagner, Warren, Warren, Washington, Washington, Washington, Washington, Washington, Washington, Washington, Washington, Washington, Washington, Washington, Waterloo, Wayne, Wayne, West Lincoln, Westburg, Westfield, Whitewater, Windsor, Wyoming, York, York
Unincorporated Places:
Amana, Bolan, Burr Oak, Center Junction, Conroy, East Amana, Green Mountain, High Amana, Holiday Lake, Homestead, Little Cedar, Meyer, Middle Amana, Mona, New Haven, Otranto, South Amana, Stone City, Toeterville, Washburn, Watkins, West Amana
Unified School Districts:
Alburnett, Allamakee, Anamosa, Andrew, BCLUW, Baxter, Belle Plaine, Bellevue, Benton, Brooklyn-Guernsey-Malcom, Cedar Falls, Cedar Rapids, Center Point-Urbana, Central City, Central, Central Springs, Clayton Ridge, Clear Creek-Amana, College, Collins-Maxwell, Colo-Nesco, Decorah, Delwood, Denver, Dike-New Hartford, Dubuque, Dunkerton, East Buchanan, East Marshall, Eastern Allamakee, Easton Valley, Edgewood-Colesburg, Eldora-New Providence, English Valleys, Forest City, GMG, Gladbrook-Reinbeck, Grinnell-Newburg, Grundy Center, H-L-V, Howard-Winneshiek, Hudson, Independence, Iowa Valley, Janesville District, Jesup, Lake Mills, Linn-Mar, Lisbon, Lynnville-Sully, MFL MarMac, Maquoketa, Maquoketa Valley, Marion, Marshalltown, Mid-Prairie, Midland, Montezuma, Monticello, Mount Vernon, Nashua-Plainfield, New Hampton, North Cedar, North Fayette, North Linn, North Mahaska, North Tama County, North Winneshiek, Northwood-Kensett, Oelwein, Olin District, Osage, Postville, Riceville, Rudd-Rockford-Marble Rock, Solon, South Tama County, South Winneshiek, Springville, St. Ansgar, Starmont, Sumner-Fredericksburg, Tri-County, Tripoli, Turkey Valley, Union, Valley, Vinton-Shellsburg, Wapsie Valley, Waterloo, Waverly-Shell Rock, West Central, West Delaware County, West Marshall, Western Dubuque, Williamsburg
ZIP Codes:
50005, 50027, 50051, 50078, 50106, 50112, 50120, 50136, 50141, 50142, 50148, 50153, 50157, 50158, 50162, 50171, 50173, 50206, 50207, 50234, 50239, 50242, 50247, 50258, 50426, 50434, 50440, 50444, 50446, 50448, 50450, 50454, 50455, 50456, 50458, 50459, 50460, 50461, 50464, 50466, 50471, 50472, 50476, 50603, 50606, 50607, 50609, 50612, 50613, 50621, 50622, 50626, 50628, 50629, 50630, 50632, 50634, 50635, 50641, 50643, 50644, 50645, 50647, 50648, 50650, 50651, 50652, 50654, 50655, 50662, 50664, 50666, 50667, 50668, 50669, 50670, 50671, 50674, 50675, 50676, 50677, 50681, 50682, 50701, 50702, 50703, 50707, 52001, 52002, 52003, 52030, 52031, 52032, 52033, 52035, 52037, 52038, 52039, 52040, 52041, 52042, 52043, 52044, 52045, 52046, 52047, 52048, 52049, 52050, 52052, 52053, 52054, 52057, 52060, 52064, 52065, 52066, 52068, 52069, 52070, 52072, 52073, 52074, 52076, 52077, 52078, 52079, 52101, 52132, 52133, 52134, 52135, 52136, 52140, 52141, 52142, 52144, 52146, 52147, 52151, 52154, 52155, 52156, 52157, 52158, 52159, 52160, 52161, 52162, 52163, 52164, 52165, 52166, 52168, 52169, 52170, 52171, 52172, 52175, 52202, 52203, 52205, 52206, 52207, 52208, 52209, 52210, 52211, 52212, 52213, 52214, 52215, 52216, 52217, 52218, 52219, 52220, 52221, 52222, 52223, 52224, 52225, 52227, 52228, 52229, 52232, 52233, 52236, 52237, 52249, 52251, 52253, 52257, 52301, 52302, 52305, 52306, 52307, 52308, 52309, 52310, 52312, 52313, 52314, 52315, 52316, 52318, 52320, 52321, 52323, 52324, 52325, 52326, 52328, 52329, 52330, 52332, 52334, 52336, 52338, 52339, 52341, 52342, 52345, 52346, 52347, 52348, 52349, 52351, 52352, 52354, 52355, 52356, 52361, 52362, 52401, 52402, 52403, 52404, 52405, 52411, 52731
State House Districts:
IA-51, IA-55, IA-56, IA-57, IA-58, IA-59, IA-60, IA-61, IA-62, IA-63, IA-64, IA-65, IA-66, IA-67, IA-68, IA-69, IA-70, IA-71, IA-72, IA-75, IA-76, IA-95, IA-96, IA-99, IA-100
State Senate Districts:
IA-26, IA-28, IA-29, IA-30, IA-31, IA-32, IA-33, IA-34, IA-35, IA-36, IA-38, IA-48, IA-50
Neighboring Congressional Districts:
IA-2, IA-4, IL-17, MN-1, WI-3