Age and Sex in Benton 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, Benton County, and other counties in Iowa
Benton County
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46412.492%2.49%6232.422%2.42%7502.916%2.92%1,0804.199%4.20%6192.407%2.41%6102.372%2.37%1,0283.997%4.00%5252.041%2.04%1,9937.749%7.75%2,1318.285%8.29%1,8447.170%7.17%1,5175.898%5.90%1,5395.984%5.98%1,4115.486%5.49%1,1214.358%4.36%8673.371%3.37%2651.030%1.03%2540.988%0.99%5642.193%2.19%1,1034.288%4.29%2,0427.939%7.94%1,6406.376%6.38%1,5536.038%6.04%
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 Benton County
Female Male
Iowa
Benton County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.210817%-0.045252%-0.192490%-0.053856%-0.256070%0.26%0.210817%0.192490%0.210817%0.21%4,32316.808%16.8%-0.700778%-0.004044%-0.638182%-0.704821%0.70%0.700778%0.638182%0.001353%0.700778%0.70%9,03835.140%35.1%-0.524019%-0.619125%-0.524019%0.52%0.524019%0.018576%0.619125%0.025145%0.542595%0.54%4,93819.199%19.2%-0.453927%-0.735381%-0.453927%0.45%0.453927%0.144829%0.735381%0.054111%0.598756%0.60%1,0834.211%4.21%-0.663340%-0.634612%-0.663340%0.66%0.663340%0.042336%0.634612%0.031800%0.705677%0.71%6,33824.642%24.6%
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 Benton County
Female Male
Iowa
Benton County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.041067%-0.073629%-0.051411%-0.053545%-0.114697%0.11%0.041067%0.051411%0.041067%0.04%6412.492%2.49%-0.225505%-0.033437%-0.174468%-0.075066%-0.258942%0.26%0.225505%0.174468%0.225505%0.23%6232.422%2.42%-0.283826%-0.015552%-0.248144%-0.065989%-0.299378%0.30%0.283826%0.248144%0.283826%0.28%7502.916%2.92%-0.394246%-0.051322%-0.334521%-0.038389%-0.445568%0.45%0.394246%0.334521%0.394246%0.39%1,0804.199%4.20%-0.360290%-0.081649%-0.424367%-0.036879%-0.441939%0.44%0.360290%0.424367%0.360290%0.36%6192.407%2.41%-0.519051%-0.524144%-0.037115%-0.519051%0.52%0.519051%0.147745%0.524144%0.666796%0.67%6102.372%2.37%-0.592276%-0.595229%-0.000536%-0.592276%0.59%0.592276%0.147745%0.595229%0.740021%0.74%1,0283.997%4.00%-0.486003%-0.663219%-0.010462%-0.486003%0.49%0.486003%0.048600%0.663219%0.534603%0.53%5252.041%2.04%-0.772162%-0.675983%-0.012541%-0.772162%0.77%0.772162%0.005443%0.675983%0.777605%0.78%1,9937.749%7.75%-0.824261%-0.690906%-0.006245%-0.824261%0.82%0.824261%0.008554%0.690906%0.832815%0.83%2,1318.285%8.29%-0.699067%-0.035770%-0.607007%-0.734837%0.73%0.699067%0.607007%0.012683%0.699067%0.70%1,8447.170%7.17%-0.536547%-0.106532%-0.571295%-0.643079%0.64%0.536547%0.571295%0.017376%0.536547%0.54%1,5175.898%5.90%-0.565319%-0.587487%-0.565319%0.57%0.565319%0.066096%0.587487%0.012483%0.631415%0.63%1,5395.984%5.98%-0.544323%-0.008554%-0.628104%-0.552877%0.55%0.544323%0.628104%0.026170%0.544323%0.54%1,4115.486%5.49%-0.425350%-0.601386%-0.425350%0.43%0.425350%0.020995%0.601386%0.033864%0.446345%0.45%1,1214.358%4.36%-0.552100%-0.019440%-0.686455%-0.571540%0.57%0.552100%0.686455%0.030011%0.552100%0.55%8673.371%3.37%-0.435459%-0.733441%-0.435459%0.44%0.435459%0.159409%0.733441%0.046900%0.594868%0.59%2651.030%1.03%-0.404355%-0.770169%-0.404355%0.40%0.404355%0.178849%0.770169%0.056074%0.583204%0.58%2540.988%0.99%-0.487947%-0.718956%-0.487947%0.49%0.487947%0.120529%0.718956%0.056734%0.608476%0.61%5642.193%2.19%-0.676516%-0.640338%-0.676516%0.68%0.676516%0.076464%0.640338%0.030076%0.752981%0.75%1,1034.288%4.29%-0.754277%-0.639003%-0.754277%0.75%0.754277%0.079316%0.639003%0.033033%0.833593%0.83%2,0427.939%7.94%-0.625194%-0.024883%-0.643465%-0.650078%0.65%0.625194%0.643465%0.031842%0.625194%0.63%1,6406.376%6.38%-0.577760%-0.617932%-0.577760%0.58%0.577760%0.052100%0.617932%0.031559%0.629860%0.63%1,5536.038%6.04%
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 Benton County
More Females More Males
Iowa
Benton County
150%100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-179.289941%-104.151992%-179.289941%179.3%0.3580.3673.635%73.6%26.365%26.4%-14.827586%-43.025830%-14.827586%14.8%0.8710.8753.451%53.5%46.549%46.5%-5.479452%-26.592985%-5.479452%5.5%0.9480.9551.333%51.3%48.667%48.7%-13.017751%-11.475915%-13.017751%13.0%0.8850.8853.056%53.1%46.944%46.9%-22.661871%-8.690265%-22.661871%22.7%0.8150.8255.089%55.1%44.911%44.9%-7.081005%28.464419%28.464419%28.5%1.2851.2843.770%43.8%56.230%56.2%-0.090132%24.945295%24.945295%24.9%1.2491.2544.455%44.5%55.545%55.5%-1.577402%10.000000%10.000000%10.0%1.1001.1047.619%47.6%52.381%52.4%-1.855238%0.704935%0.704935%0.7%1.0071.0149.824%49.8%50.176%50.2%-0.903856%1.037736%1.037736%1.0%1.0101.0149.742%49.7%50.258%50.3%-5.116796%-5.116796%5.1%2.089388%0.9510.9551.247%51.2%48.753%48.8%-19.855072%-19.855072%19.9%3.041504%0.8340.8354.515%54.5%45.485%45.5%11.691884%2.124838%11.691884%11.7%1.1171.1247.238%47.2%52.762%52.8%-1.571429%-1.571429%1.6%4.166539%0.9850.9850.390%50.4%49.610%49.6%4.936015%5.630908%4.936015%4.9%1.0491.0548.796%48.8%51.204%51.2%-3.521127%-3.521127%3.5%4.371952%0.9660.9750.865%50.9%49.135%49.1%36.607143%6.394558%36.607143%36.6%1.3661.3742.264%42.3%57.736%57.7%44.230769%7.280782%44.230769%44.2%1.4421.4440.945%40.9%59.055%59.1%24.701195%7.891202%24.701195%24.7%1.2471.2544.504%44.5%55.496%55.5%11.302682%4.696873%11.302682%11.3%1.1131.1147.325%47.3%52.675%52.7%10.515464%5.169461%10.515464%10.5%1.1051.1147.502%47.5%52.498%52.5%-3.980100%-3.980100%4.0%4.948524%0.9620.9650.976%51.0%49.024%49.0%9.017497%5.107154%9.017497%9.0%1.0901.0947.843%47.8%52.157%52.2%
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 Benton County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%7%14%20%27%34%

College Age Cohorts by County Subdivision#6

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

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%3.9%7.8%11.7%15.6%19.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0.0%4.5%9.0%13.5%18.0%22.6%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0.0%4.7%9.4%14.1%18.8%23.5%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
8%18%28%38%49%59%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
0%8%16%24%32%41%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%3.2%6.4%9.5%12.7%16.0%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%3.1%6.2%9.3%12.3%15.5%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Benton County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
21.7%22.9%24.2%25.4%26.7%28.0%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.6%3.6%4.5%5.3%6.2%7.2%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.0%6.3%7.4%8.6%9.8%11.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
8.7%9.8%10.8%11.9%12.9%14.0%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
9.1%11.0%12.8%14.6%16.4%18.3%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
13.4%14.4%15.4%16.4%17.4%18.5%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
8.3%9.4%10.4%11.4%12.4%13.5%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
5.3%5.9%6.5%7.0%7.6%8.2%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.8%3.8%4.7%5.6%6.6%7.5%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Benton County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
14%20%26%32%37%44%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%2.4%4.7%7.1%9.4%11.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.5%9.1%13.6%18.2%22.8%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
3.3%6.1%8.8%11.6%14.3%17.1%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
6.8%9.4%12.0%14.5%17.1%19.7%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
6%11%16%21%26%32%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
3%9%16%22%29%35%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
2.5%4.7%7.0%9.2%11.4%13.7%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%3.1%6.2%9.3%12.4%15.5%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Benton County

There are 15 places that are fully or partially contained within Benton County (14 fully and 1 partially). This section compares all 15 of those to each other, Benton County, and other entities that contain or substantially overlap with Benton County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Benton County, selected places in Benton County, and entities that contain Benton County
0%10%20%30%Count#Van HorneBlairstownWalfordBelle PlaineGarrisonLuzerneUrbanaShellsburgKeystoneBenton CountyBentonAtkinsNewhallCedar Rapids Metro AreaCedar RapidsWest North CentralNorwayIowaMidwestUnited States of AmericaUnited StatesVintonMount AuburnWatkins30.434783%30.434783%30.4%238129.838710%29.838710%29.8%222229.691877%29.691877%29.7%424326.971116%26.971116%27.0%691426.136364%26.136364%26.1%92525.362319%25.362319%25.4%35625.277008%25.277008%25.3%365725.250684%25.250684%25.3%277824.722662%24.722662%24.7%156924.642302%24.642302%24.6%6,33824.401635%24.401635%24.4%4181023.959391%23.959391%24.0%2361123.789055%23.789055%23.8%62,86962.9k23.689691%23.689691%23.7%4,971,0164.97M23.619048%23.619048%23.6%1241223.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.590012%22.590012%22.6%1,1671314.166667%14.166667%14.2%17148.695652%8.695652%8.7%1015
Count number of children
# rank of place out of 15 by %

Age Cohorts by County Subdivision in Benton County

There are 23 county subdivisions in Benton County. This section compares all 23 of those to each other, Benton County, and other entities that contain or substantially overlap with Benton County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Benton County, selected county subdivisions in Benton County, and entities that contain Benton County
0%10%20%30%Count#St. Clair TownshipSt. ClairBruce TownshipBruceEden TownshipEldorado TownshipEldoradoJackson TownshipJacksonCanton TownshipCantonFremont TownshipFremontLeroy TownshipLeroyBelle PlaineHarrison TownshipHarrisonUnion TownshipUnionShellsburgBenton CountyBentonFlorence TownshipFlorenceCedar Rapids Metro AreaCedar RapidsWest North CentralIowaMidwestUnited States of AmericaUnited StatesMonroe TownshipMonroeKane TownshipPolk TownshipVintonBenton TownshipBentonCedar TownshipCedarTaylor TownshipTaylorBig Grove TownshipBig GrvIowa TownshipHomer TownshipHomer33.894231%33.894231%33.9%141133.061224%33.061224%33.1%81232.142857%32.142857%32.1%99331.437908%31.437908%31.4%481429.457364%29.457364%29.5%228528.301887%28.301887%28.3%255628.215768%28.215768%28.2%680727.073552%27.073552%27.1%346826.971116%26.971116%27.0%691926.822917%26.822917%26.8%1031026.231263%26.231263%26.2%2451125.250684%25.250684%25.3%2771224.642302%24.642302%24.6%6,33824.397245%24.397245%24.4%4251323.789055%23.789055%23.8%62,86962.9k23.689691%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%73,612,43873.6M23.036649%23.036649%23.0%441422.780374%22.780374%22.8%1951522.643392%22.643392%22.6%4541622.590012%22.590012%22.6%1,1671720.530565%20.530565%20.5%1781818.825911%18.825911%18.8%931913.498920%13.498920%13.5%1252013.207547%13.207547%13.2%21213.020134%3.020134%3.0%9220.000000%0.000000%0.0%023
Count number of children
# rank of county subdivision out of 23 by %

Age Cohorts by County in the Cedar Rapids Area

There are 3 counties in the Cedar Rapids Area. This section compares Benton County to all of the counties in the Cedar Rapids Area and to those entities that contain or substantially overlap with Benton County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Benton County, selected other counties in the Cedar Rapids Area, and entities that contain Benton County
0%5%10%15%20%Count#Benton CountyBentonLinn CountyLinnCedar Rapids Metro AreaCedar RapidsWest North CentralIowaMidwestUnited States of AmericaUnited StatesJones CountyJones24.642302%24.642302%24.6%6,338123.886168%23.886168%23.9%52,09052.1k223.789055%23.789055%23.8%62,86962.9k23.689691%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%73,612,43873.6M21.683512%21.683512%21.7%4,4413
Count number of children
# rank of county out of 3 by %

Age Cohorts by County in Iowa

There are 99 counties in Iowa. This section compares Benton County to the 50 most populous counties in Iowa and to those entities that contain or substantially overlap with Benton 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 Benton County, selected other counties in Iowa, and entities that contain Benton 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 CountyLinnCedar Rapids Metro AreaCedar RapidsWest 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 GordoPoweshiek 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%52,09052.1k2023.789055%23.789055%23.8%62,86962.9k23.689691%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%9,0094420.191172%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 Benton County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Benton 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 Benton County, selected other counties in the United States, and entities that contain Benton County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeBenton CountyBentonMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkCedar Rapids Metro AreaCedar RapidsWest 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 CountyKingMiami-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%249,554250k1124.642302%24.642302%24.6%6,33824.574361%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%493,981494k1723.789055%23.789055%23.8%62,86962.9k23.689691%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%434,553435k4420.604500%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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More Maps to Explore

Cities:
Atkins, Belle Plaine, Blairstown, Garrison, Keystone, Luzerne, Mount Auburn, Newhall, Norway, Shellsburg, Urbana, Van Horne, Vinton, Walford
Townships:
Benton, Big Grove, Bruce, Canton, Cedar, Eden, Eldorado, Florence, Fremont, Harrison, Homer, Iowa, Jackson, Kane, Leroy, Monroe, Polk, St. Clair, Taylor, Union
Unincorporated Places:
Watkins
ZIP Codes:
50651, 52206, 52208, 52209, 52213, 52224, 52225, 52228, 52229, 52249, 52257, 52301, 52313, 52315, 52318, 52324, 52332, 52345, 52346, 52349, 52351, 52352, 52354
Unified School Districts:
Belle Plaine, Benton, Center Point-Urbana, College, Independence, North Linn, Union, Vinton-Shellsburg
Congressional District:
IA-1
State Senate District:
IA-38
State House District:
IA-75
Neighboring Counties:
Black Hawk, Buchanan, Iowa, Johnson, Linn, Poweshiek, Tama
Nearby Counties:
Bremer, Butler, Delaware, Fayette, Grundy, Keokuk, Mahaska, Washington