Age and Sex in Washington County, Iowa (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Iowa.
Scope: population of Iowa, Washington County, and other counties in Iowa
Washington County
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46302.849%2.85%6953.143%3.14%7313.305%3.31%8974.056%4.06%7743.500%3.50%3651.650%1.65%7483.382%3.38%5872.654%2.65%1,6737.565%7.57%1,6307.371%7.37%1,3796.236%6.24%1,3406.059%6.06%1,1135.033%5.03%1,2895.829%5.83%1,1275.096%5.10%7603.437%3.44%1630.737%0.74%2210.999%1.00%5192.347%2.35%9414.255%4.26%1,7297.818%7.82%1,3346.032%6.03%1,4706.647%6.65%
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 Washington County
Female Male
Iowa
Washington County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.228352%-0.057276%-0.192490%-0.053856%-0.285628%0.29%0.228352%0.192490%0.228352%0.23%4,09218.503%18.5%-0.663260%-0.004160%-0.638182%-0.667420%0.67%0.663260%0.638182%0.001353%0.663260%0.66%7,35733.267%33.3%-0.530560%-0.619125%-0.530560%0.53%0.530560%0.016329%0.619125%0.025145%0.546889%0.55%4,28919.394%19.4%-0.480443%-0.735381%-0.480443%0.48%0.480443%0.059914%0.735381%0.054111%0.540357%0.54%9034.083%4.08%-0.663702%-0.634612%-0.663702%0.66%0.663702%0.047730%0.634612%0.031800%0.711433%0.71%5,47424.752%24.8%
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 Washington County
Female Male
Iowa
Washington County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.059914%-0.058218%-0.051411%-0.053545%-0.118132%0.12%0.059914%0.051411%0.059914%0.06%6302.849%2.85%-0.281257%-0.066019%-0.174468%-0.075066%-0.347276%0.35%0.281257%0.174468%0.281257%0.28%6953.143%3.14%-0.280353%-0.100384%-0.248144%-0.065989%-0.380737%0.38%0.280353%0.248144%0.280353%0.28%7313.305%3.31%-0.403346%-0.004522%-0.334521%-0.038389%-0.407868%0.41%0.403346%0.334521%0.403346%0.40%8974.056%4.06%-0.513980%-0.138669%-0.424367%-0.036879%-0.652649%0.65%0.513980%0.424367%0.513980%0.51%7743.500%3.50%-0.377572%-0.524144%-0.037115%-0.377572%0.38%0.377572%0.070088%0.524144%0.447660%0.45%3651.650%1.65%-0.518502%-0.090436%-0.595229%-0.000536%-0.608938%0.61%0.518502%0.595229%0.518502%0.52%7483.382%3.38%-0.624011%-0.079132%-0.663219%-0.010462%-0.703143%0.70%0.624011%0.663219%0.624011%0.62%5872.654%2.65%-0.718969%-0.675983%-0.012541%-0.718969%0.72%0.718969%0.075062%0.675983%0.794031%0.79%1,6737.565%7.57%-0.735248%-0.003617%-0.690906%-0.006245%-0.738865%0.74%0.735248%0.690906%0.735248%0.74%1,6307.371%7.37%-0.618585%-0.607007%-0.618585%0.62%0.618585%0.009948%0.607007%0.012683%0.628533%0.63%1,3796.236%6.24%-0.597784%-0.016279%-0.571295%-0.614063%0.61%0.597784%0.571295%0.017376%0.597784%0.60%1,3406.059%6.06%-0.490165%-0.587487%-0.490165%0.49%0.490165%0.026227%0.587487%0.012483%0.516392%0.52%1,1135.033%5.03%-0.580601%-0.628104%-0.580601%0.58%0.580601%0.004522%0.628104%0.026170%0.585123%0.59%1,2895.829%5.83%-0.504635%-0.009948%-0.601386%-0.514583%0.51%0.504635%0.601386%0.033864%0.504635%0.50%1,1275.096%5.10%-0.541111%-0.686455%-0.541111%0.54%0.541111%0.063305%0.686455%0.030011%0.604416%0.60%7603.437%3.44%-0.343658%-0.733441%-0.343658%0.34%0.343658%0.049740%0.733441%0.046900%0.393398%0.39%1630.737%0.74%-0.425051%-0.770169%-0.425051%0.43%0.425051%0.149220%0.770169%0.056074%0.574271%0.57%2210.999%1.00%-0.576532%-0.718956%-0.576532%0.58%0.576532%0.020348%0.718956%0.056734%0.596880%0.60%5192.347%2.35%-0.663200%-0.640338%-0.663200%0.66%0.663200%0.091944%0.640338%0.030076%0.755144%0.76%9414.255%4.26%-0.645716%-0.639003%-0.645716%0.65%0.645716%0.272213%0.639003%0.033033%0.917929%0.92%1,7297.818%7.82%-0.541714%-0.122993%-0.643465%-0.664707%0.66%0.541714%0.643465%0.031842%0.541714%0.54%1,3346.032%6.03%-0.648429%-0.032557%-0.617932%-0.680986%0.68%0.648429%0.617932%0.031559%0.648429%0.65%1,4706.647%6.65%
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 Washington County
More Females More Males
Iowa
Washington County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-97.169811%-104.151992%-97.169811%97.2%0.5070.5166.349%66.3%33.651%33.7%-23.472669%-43.025830%-23.472669%23.5%0.8100.8155.252%55.3%44.748%44.7%-35.806452%-26.592985%-35.806452%35.8%0.7360.7457.592%57.6%42.408%42.4%-1.121076%-11.475915%-1.121076%1.1%0.9890.9950.279%50.3%49.721%49.7%-26.979472%-8.690265%-26.979472%27.0%0.7880.7955.943%55.9%44.057%44.1%-7.081005%18.562874%18.562874%18.6%1.1861.1945.753%45.8%54.247%54.2%-17.441860%-0.090132%-17.441860%17.4%0.8510.8554.011%54.0%45.989%46.0%-12.681159%-1.577402%-12.681159%12.7%0.8870.8952.981%53.0%47.019%47.0%-1.855238%10.440252%10.440252%10.4%1.1041.1047.519%47.5%52.481%52.5%-0.492005%-0.903856%-0.492005%0.5%0.9951.0050.123%50.1%49.877%49.9%1.608187%2.089388%1.608187%1.6%1.0161.0249.601%49.6%50.399%50.4%-2.723147%-2.723147%2.7%3.041504%0.9730.9750.672%50.7%49.328%49.3%5.350554%2.124838%5.350554%5.4%1.0541.0548.697%48.7%51.303%51.3%0.778816%4.166539%0.778816%0.8%1.0081.0149.806%49.8%50.194%50.2%-1.971326%-1.971326%2.0%5.630908%0.9810.9850.488%50.5%49.512%49.5%11.699164%4.371952%11.699164%11.7%1.1171.1247.237%47.2%52.763%52.8%14.473684%6.394558%14.473684%14.5%1.1451.1446.626%46.6%53.374%53.4%35.106383%7.280782%35.106383%35.1%1.3511.3542.534%42.5%57.466%57.5%3.529412%7.891202%3.529412%3.5%1.0351.0449.133%49.1%50.867%50.9%13.863636%4.696873%13.863636%13.9%1.1391.1446.759%46.8%53.241%53.2%42.156863%5.169461%42.156863%42.2%1.4221.4241.296%41.3%58.704%58.7%-22.704508%-22.704508%22.7%4.948524%0.8150.8155.097%55.1%44.903%44.9%-5.020921%-5.020921%5.0%5.107154%0.9520.9551.224%51.2%48.776%48.8%
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 Subdivision in Washington County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
11%17%23%28%33%39%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%2.2%4.3%6.5%8.6%10.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%2.7%5.5%8.2%11.0%13.8%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0.0%4.3%8.6%12.9%17.2%21.6%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
6.5%10.0%13.6%17.1%20.6%24.2%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
4%10%16%22%28%35%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
3.3%7.1%10.9%14.7%18.4%22.2%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%3.9%7.7%11.6%15.4%19.4%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%1.6%3.2%4.8%6.4%8.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Washington County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
21.8%23.0%24.1%25.3%26.4%27.6%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.6%3.4%4.2%4.9%5.7%6.5%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.7%6.2%7.8%9.3%10.8%12.3%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
8.6%9.8%10.9%12.1%13.2%14.4%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
8.9%10.1%11.2%12.3%13.4%14.6%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
13.6%14.3%14.9%15.5%16.2%16.9%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
7.7%9.3%10.8%12.4%13.9%15.5%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
6.40%6.85%7.30%7.75%8.20%8.66%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.7%4.2%5.7%7.2%8.7%10.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Washington County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
14.7%18.1%21.4%24.8%28.1%31.5%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%2.1%4.2%6.3%8.4%10.5%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1.7%4.9%8.0%11.1%14.2%17.4%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
5.4%8.5%11.5%14.6%17.7%20.8%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
5.1%8.7%12.2%15.7%19.3%22.9%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
9.1%12.9%16.7%20.4%24.2%28.0%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
6.1%8.6%10.9%13.3%15.7%18.1%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.6%7.2%10.8%14.4%18.1%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.9%4.0%7.0%10.1%13.1%16.2%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Washington County

There are 10 places that are fully or partially contained within Washington County (8 fully and 2 partially). This section compares all 10 of those to each other, Washington County, and other entities that contain or substantially overlap with Washington County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Washington County, selected places in Washington County, and entities that contain Washington County
0%10%20%30%Count#CoppockAinsworthKeotaWashington CountyWashingtonKalonaWest North CentralRiversideIowaMidwestUnited States of AmericaUnited StatesWashingtonIowa City Metro AreaIowa CityWellmanCrawfordsvilleBrightonWest Chester34.693878%34.693878%34.7%17132.372506%32.372506%32.4%146228.004292%28.004292%28.0%261324.752430%24.752430%24.8%5,47424.364663%24.364663%24.4%604423.689691%23.689691%23.7%4,971,0164.97M23.624288%23.624288%23.6%249523.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.244843%22.244843%22.2%1,639620.759683%20.759683%20.8%34,07134.1k20.146520%20.146520%20.1%275719.540230%19.540230%19.5%51816.302521%16.302521%16.3%97913.186813%13.186813%13.2%1210
Count number of children
# rank of place out of 10 by %

Age Cohorts by County Subdivision in Washington County

There are 15 county subdivisions in Washington County. This section compares all 15 of those to each other, Washington County, and other entities that contain or substantially overlap with Washington County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Washington County, selected county subdivisions in Washington County, and entities that contain Washington County
0%10%20%30%Count#Seventy-Six TownshipSeventy-SixDutch Creek TownshipDutch CrkJackson TownshipJacksonFranklin TownshipFranklinIowa TownshipHighland TownshipHighlandEnglish River TownshipEnglish RivWashington CountyWashingtonLime Creek TownshipLime CrkWest North CentralCedar TownshipCedarIowaOregon TownshipOregonMidwestUnited States of AmericaUnited StatesWashington TownshipWashingtonMarion TownshipMarionIowa City Metro AreaIowa CityBrighton TownshipBrightonCrawford TownshipCrawfordClay Township38.888889%38.888889%38.9%161136.749117%36.749117%36.7%104233.781190%33.781190%33.8%176330.444965%30.444965%30.4%130428.355838%28.355838%28.4%714527.272727%27.272727%27.3%138626.765267%26.765267%26.8%1,122724.752430%24.752430%24.8%5,47424.396021%24.396021%24.4%515823.689691%23.689691%23.7%4,971,0164.97M23.423423%23.423423%23.4%52923.418418%23.418418%23.4%727,514728k23.321957%23.321957%23.3%2051023.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.848373%22.848373%22.8%1,8611121.860465%21.860465%21.9%941220.759683%20.759683%20.8%34,07134.1k14.868805%14.868805%14.9%1021313.235294%13.235294%13.2%721411.814346%11.814346%11.8%2815
Count number of children
# rank of county subdivision out of 15 by %

Age Cohorts by County in the Iowa City Area

There are 2 counties in the Iowa City Area. This section compares Washington County to all of the counties in the Iowa City Area and to those entities that contain or substantially overlap with Washington County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Washington County, selected other counties in the Iowa City Area, and entities that contain Washington County
0%5%10%15%20%Count#Washington CountyWashingtonWest North CentralIowaMidwestUnited States of AmericaUnited StatesIowa City Metro AreaIowa CityJohnson CountyJohnson24.752430%24.752430%24.8%5,474123.689691%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%73,612,43873.6M20.759683%20.759683%20.8%34,07134.1k20.137881%20.137881%20.1%28,59728.6k2
Count number of children
# rank of county out of 2 by %

Age Cohorts by County in Iowa

There are 99 counties in Iowa. This section compares Washington County to the 50 most populous counties in Iowa and to those entities that contain or substantially overlap with Washington County. The least populous of the compared counties has a population of 15,552.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Washington County, selected other counties in Iowa, and entities that contain Washington County
0%10%20%Count#Dallas CountyDallasSioux CountySiouxBuchanan CountyBuchananWoodbury CountyWoodburyMadison CountyMadisonCrawford CountyCrawfordMuscatine CountyMuscatineBuena Vista CountyBuena VistaPolk CountyPolkWarren CountyWarrenPlymouth CountyPlymouthMarshall CountyMarshallWashington CountyWashingtonBenton CountyBentonTama CountyTamaCarroll CountyCarrollMarion CountyMarionScott CountyScottDelaware CountyDelawareLinn CountyLinnWest North CentralPottawattamie CountyPottawattamieMahaska CountyMahaskaIowaIowa CountyIowaMidwestCedar CountyCedarUnited States of AmericaUnited StatesDubuque CountyDubuqueClinton CountyClintonDes Moines CountyDes MoinesClay CountyClayFloyd CountyFloydWapello CountyWapelloHenry CountyHenryBoone CountyBooneJackson CountyJacksonJasper CountyJasperHardin CountyHardinClayton CountyClaytonBremer CountyBremerJones CountyJonesLee CountyLeeBlack Hawk CountyBlack HawkWebster CountyWebsterFayette CountyFayettePage CountyPageCerro Gordo CountyCerro GordoIowa City Metro AreaIowa CityPoweshiek CountyPoweshiekJohnson CountyJohnsonJefferson CountyJeffersonDickinson CountyDickinsonWinneshiek CountyWinneshiekStory CountyStory28.497323%28.497323%28.5%22,24922.2k127.044279%27.044279%27.0%9,363226.679663%26.679663%26.7%5,611326.290200%26.290200%26.3%26,92826.9k425.994509%25.994509%26.0%4,071525.928734%25.928734%25.9%4,446625.406878%25.406878%25.4%10,91210.9k725.375397%25.375397%25.4%5,188825.291021%25.291021%25.3%116,126116k925.204484%25.204484%25.2%12,14112.1k1025.124139%25.124139%25.1%6,2741125.003069%25.003069%25.0%10,18510.2k1224.752430%24.752430%24.8%5,4741324.642302%24.642302%24.6%6,3381424.203639%24.203639%24.2%4,2171524.169302%24.169302%24.2%4,9681624.119649%24.119649%24.1%8,0071724.059118%24.059118%24.1%41,16941.2k1824.029808%24.029808%24.0%4,1921923.886168%23.886168%23.9%52,09052.1k2023.689691%23.689691%23.7%4,971,0164.97M23.681839%23.681839%23.7%22,07122.1k2123.588963%23.588963%23.6%5,2662223.418418%23.418418%23.4%727,514728k23.349259%23.349259%23.3%3,8122323.217458%23.217458%23.2%15,712,75815.7M23.171461%23.171461%23.2%4,2612423.108006%23.108006%23.1%73,612,43873.6M23.102149%23.102149%23.1%22,26122.3k2523.017594%23.017594%23.0%11,04211.0k2622.899736%22.899736%22.9%9,1862722.812234%22.812234%22.8%3,7592822.663084%22.663084%22.7%3,6272922.436298%22.436298%22.4%7,9073022.416128%22.416128%22.4%4,4703122.335391%22.335391%22.3%5,8993222.300169%22.300169%22.3%4,3553322.187117%22.187117%22.2%8,1463422.102286%22.102286%22.1%3,8293522.058077%22.058077%22.1%3,9123622.016786%22.016786%22.0%5,4303721.683512%21.683512%21.7%4,4413821.630843%21.630843%21.6%7,6083921.563608%21.563608%21.6%28,64128.6k4021.511471%21.511471%21.5%7,9704121.362366%21.362366%21.4%4,3564221.129115%21.129115%21.1%3,2864320.804563%20.804563%20.8%9,0094420.759683%20.759683%20.8%34,07134.1k20.191172%20.191172%20.2%3,7604520.137881%20.137881%20.1%28,59728.6k4619.516476%19.516476%19.5%3,4474719.400446%19.400446%19.4%3,3074818.774352%18.774352%18.8%3,9034917.082481%17.082481%17.1%16,20016.2k50
Count number of children
# rank of county out of 50 by %

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Washington County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Washington County. The least populous of the compared counties has a population of 941,618.

Children by County#68

Percentage of population aged 0 to 17 (%):
Scope: population of Washington County, selected other counties in the United States, and entities that contain Washington County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeWashington CountyWashingtonMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkWest North CentralFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaIowaKings CountyKingsMidwestHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaNassau CountyNassauOakland CountyOaklandPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaAlameda CountyAlamedaKing CountyKingIowa City Metro AreaIowa CityMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm Beach CountyPalm BeachAllegheny CountyAlleghenyNew York CountyNew York28.888866%28.888866%28.9%278,246278k128.329602%28.329602%28.3%309,506310k227.363518%27.363518%27.4%576,482576k327.228891%27.228891%27.2%1,207,3991.21M427.104397%27.104397%27.1%527,866528k526.929187%26.929187%26.9%676,745677k626.401700%26.401700%26.4%613,547614k726.219361%26.219361%26.2%487,339487k825.573137%25.573137%25.6%367,431367k925.043628%25.043628%25.0%1,023,9211.02M1024.990987%24.990987%25.0%249,554250k1124.752430%24.752430%24.8%5,47424.574361%24.574361%24.6%248,637249k1224.468076%24.468076%24.5%233,745234k1324.396471%24.396471%24.4%360,897361k1424.179435%24.179435%24.2%427,394427k1523.983328%23.983328%24.0%271,704272k1623.862053%23.862053%23.9%493,981494k1723.689691%23.689691%23.7%4,971,0164.97M23.668593%23.668593%23.7%291,625292k1823.577077%23.577077%23.6%222,006222k1923.549379%23.549379%23.5%241,704242k2023.527315%23.527315%23.5%260,665261k2123.418418%23.418418%23.4%727,514728k23.337305%23.337305%23.3%608,369608k2223.217458%23.217458%23.2%15,712,75815.7M23.197227%23.197227%23.2%306,913307k2323.108006%23.108006%23.1%73,612,43873.6M23.087802%23.087802%23.1%435,218435k2423.030006%23.030006%23.0%264,425264k2523.024375%23.024375%23.0%721,172721k2622.943185%22.943185%22.9%222,372222k2722.934276%22.934276%22.9%228,599229k2822.837323%22.837323%22.8%2,296,7852.30M2922.760229%22.760229%22.8%285,881286k3022.694997%22.694997%22.7%1,186,3981.19M3122.432138%22.432138%22.4%224,447224k3222.366565%22.366565%22.4%727,664728k3322.324565%22.324565%22.3%334,451334k3422.273612%22.273612%22.3%269,347269k3522.168125%22.168125%22.2%345,809346k3622.141419%22.141419%22.1%300,415300k3722.121412%22.121412%22.1%273,247273k3821.856045%21.856045%21.9%219,290219k3921.601744%21.601744%21.6%213,209213k4021.598472%21.598472%21.6%402,548403k4121.569623%21.569623%21.6%271,499271k4221.443331%21.443331%21.4%344,212344k4320.896492%20.896492%20.9%434,553435k4420.759683%20.759683%20.8%34,07134.1k20.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4719.641010%19.641010%19.6%274,730275k4819.092867%19.092867%19.1%234,911235k4914.639548%14.639548%14.6%239,355239k50
Count number of children
# rank of county out of 50 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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Cities:
Ainsworth, Brighton, Coppock, Crawfordsville, Kalona, Keota, Riverside, Washington, Wellman, West Chester
Townships:
Brighton, Cedar, Clay, Crawford, Dutch Creek, English River, Franklin, Highland, Iowa, Jackson, Lime Creek, Marion, Oregon, Seventy-Six, Washington
ZIP Codes:
52201, 52247, 52248, 52327, 52353, 52356, 52359, 52540, 52585, 52621, 52641, 52654
Unified School Districts:
Fairfield, Highland, Keota, Mid-Prairie, Pekin, Waco, Washington, Winfield-Mount Union
Congressional District:
IA-2
State Senate Districts:
IA-39, IA-42
State House Districts:
IA-78, IA-84
Neighboring Counties:
Henry, Iowa, Jefferson, Johnson, Keokuk, Louisa
Nearby Counties:
Cedar, Davis, Des Moines, Henderson, Lee, Linn, Muscatine, Poweshiek, Van Buren, Wapello