Age and Sex in Black Hawk 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, Black Hawk County, and other counties in Iowa
Black Hawk County
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43,0922.328%2.33%2,4001.807%1.81%3,7382.814%2.81%4,2323.186%3.19%3,4202.575%2.57%2,8032.110%2.11%4,6703.516%3.52%3,3792.544%2.54%8,6266.494%6.49%7,9976.021%6.02%7,1095.352%5.35%6,5874.959%4.96%8,0226.040%6.04%8,2716.227%6.23%8,9446.734%6.73%8,8456.659%6.66%3,1232.351%2.35%3,8142.872%2.87%5,1083.846%3.85%4,5263.408%3.41%7,6795.781%5.78%7,9946.019%6.02%8,4426.356%6.36%
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 Black Hawk County
Female Male
Iowa
Black Hawk County
Shaded bar tips show excess over facing bar.
1%0%1%Count%Senior2Older Adult3Younger Adult4College5Children6-0.180109%-0.051469%-0.192490%-0.053856%-0.231577%0.2%0.180109%0.192490%0.180109%0.2%19,68519.7k14.821%14.8%-0.570151%-0.015178%-0.638182%-0.585329%0.6%0.570151%0.638182%0.001353%0.570151%0.6%38,36838.4k28.887%28.9%-0.685342%-0.619125%-0.685342%0.7%0.685342%0.054878%0.619125%0.025145%0.740219%0.7%34,08234.1k25.660%25.7%-0.972926%-0.321297%-0.735381%-1.294223%1.3%0.972926%0.735381%0.054111%0.972926%1.0%12,04512.0k9.069%9.07%-0.585667%-0.634612%-0.585667%0.6%0.585667%0.026644%0.634612%0.031800%0.612311%0.6%28,64128.6k21.564%21.6%
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 Black Hawk County
Female Male
Iowa
Black Hawk County
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.045456%-0.054585%-0.051411%-0.053545%-0.100041%0.1%0.045456%0.051411%0.045456%0.0%3,0922.328%2.33%-0.154494%-0.052401%-0.174468%-0.075066%-0.206895%0.2%0.154494%0.174468%0.154494%0.2%2,4001.807%1.81%-0.245744%-0.071374%-0.248144%-0.065989%-0.317119%0.3%0.245744%0.248144%0.245744%0.2%3,7382.814%2.81%-0.301458%-0.034332%-0.334521%-0.038389%-0.335790%0.3%0.301458%0.334521%0.301458%0.3%4,2323.186%3.19%-0.402045%-0.424367%-0.036879%-0.402045%0.4%0.402045%0.054208%0.424367%0.456253%0.5%3,4202.575%2.57%-0.439690%-0.175801%-0.524144%-0.037115%-0.615490%0.6%0.439690%0.524144%0.439690%0.4%2,8032.110%2.11%-0.558396%-0.055212%-0.595229%-0.000536%-0.613608%0.6%0.558396%0.595229%0.558396%0.6%4,6703.516%3.52%-0.630924%-0.010164%-0.663219%-0.010462%-0.641088%0.6%0.630924%0.663219%0.630924%0.6%3,3792.544%2.54%-0.626708%-0.045475%-0.675983%-0.012541%-0.672183%0.7%0.626708%0.675983%0.626708%0.6%8,6266.494%6.49%-0.589515%-0.025147%-0.690906%-0.006245%-0.614662%0.6%0.589515%0.690906%0.589515%0.6%7,9976.021%6.02%-0.525068%-0.607007%-0.525068%0.5%0.525068%0.020328%0.607007%0.012683%0.545396%0.5%7,1095.352%5.35%-0.490133%-0.571295%-0.490133%0.5%0.490133%0.011595%0.571295%0.017376%0.501728%0.5%6,5874.959%4.96%-0.603368%-0.587487%-0.603368%0.6%0.603368%0.001205%0.587487%0.012483%0.604573%0.6%8,0226.040%6.04%-0.615264%-0.628104%-0.615264%0.6%0.615264%0.014907%0.628104%0.026170%0.630171%0.6%8,2716.227%6.23%-0.645229%-0.601386%-0.645229%0.6%0.645229%0.056316%0.601386%0.033864%0.701546%0.7%8,9446.734%6.73%-1.005614%-0.686455%-1.005614%1.0%1.005614%0.208551%0.686455%0.030011%1.214165%1.2%8,8456.659%6.66%-1.041251%-0.268783%-0.733441%-1.310034%1.3%1.041251%0.733441%0.046900%1.041251%1.0%3,1232.351%2.35%-1.157197%-0.557141%-0.770169%-1.714337%1.7%1.157197%0.770169%0.056074%1.157197%1.2%3,8142.872%2.87%-0.846628%-0.229632%-0.718956%-1.076261%1.1%0.846628%0.718956%0.056734%0.846628%0.8%5,1083.846%3.85%-0.544844%-0.046177%-0.640338%-0.591021%0.6%0.544844%0.640338%0.030076%0.544844%0.5%4,5263.408%3.41%-0.548407%-0.639003%-0.548407%0.5%0.548407%0.059479%0.639003%0.033033%0.607886%0.6%7,6795.781%5.78%-0.585751%-0.643465%-0.585751%0.6%0.585751%0.032224%0.643465%0.031842%0.617975%0.6%7,9946.019%6.02%-0.619631%-0.617932%-0.619631%0.6%0.619631%0.031923%0.617932%0.031559%0.651554%0.7%8,4426.356%6.36%
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 Black Hawk County
More Females More Males
Iowa
Black Hawk County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-120.082816%-104.151992%-120.082816%120.1%0.4540.4568.758%68.8%31.242%31.2%-33.918129%-43.025830%-33.918129%33.9%0.7470.7557.250%57.3%42.750%42.8%-29.044118%-26.592985%-29.044118%29.0%0.7750.7756.340%56.3%43.660%43.7%-11.388611%-11.475915%-11.388611%11.4%0.8980.9052.694%52.7%47.306%47.3%-8.690265%13.483146%13.483146%13.5%1.1351.1346.842%46.8%53.158%53.2%-39.982877%-7.081005%-39.982877%40.0%0.7140.7158.330%58.3%41.670%41.7%-9.887640%-0.090132%-9.887640%9.9%0.9100.9152.355%52.4%47.645%47.6%-1.610979%-1.577402%-1.610979%1.6%0.9840.9850.400%50.4%49.600%49.6%-7.256127%-1.855238%-7.256127%7.3%0.9320.9351.751%51.8%48.249%48.2%-4.265645%-0.903856%-4.265645%4.3%0.9590.9651.044%51.0%48.956%49.0%3.871523%2.089388%3.871523%3.9%1.0391.0449.050%49.1%50.950%50.9%2.365591%3.041504%2.365591%2.4%1.0241.0249.416%49.4%50.584%50.6%0.199651%2.124838%0.199651%0.2%1.0021.0049.950%50.0%50.050%50.0%2.422907%4.166539%2.422907%2.4%1.0241.0249.402%49.4%50.598%50.6%8.728121%5.630908%8.728121%8.7%1.0871.0947.909%47.9%52.091%52.1%20.738707%4.371952%20.738707%20.7%1.2071.2145.302%45.3%54.698%54.7%-25.813449%-25.813449%25.8%6.394558%0.7950.7955.716%55.7%44.284%44.3%-48.145738%-48.145738%48.1%7.280782%0.6750.6859.701%59.7%40.299%40.3%-27.123166%-27.123166%27.1%7.891202%0.7870.7955.971%56.0%44.029%44.0%-8.475357%-8.475357%8.5%4.696873%0.9220.9252.033%52.0%47.967%48.0%10.845689%5.169461%10.845689%10.8%1.1081.1147.428%47.4%52.572%52.6%5.501285%4.948524%5.501285%5.5%1.0551.0648.661%48.7%51.339%51.3%5.151883%5.107154%5.151883%5.2%1.0521.0548.744%48.7%51.256%51.3%
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 Black Hawk County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%7%15%22%30%38%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%4.0%7.9%11.9%15.9%19.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%3.3%6.6%9.9%13.2%16.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0.0%4.3%8.5%12.8%17.0%21.4%

40s Age Cohorts by County Subdivision#9

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

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
6%15%24%33%41%50%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
0%6%12%19%25%31%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
2.8%5.9%8.9%11.9%15.0%18.1%

80+ Age Cohorts by County Subdivision#13

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 Black Hawk County

Children Age Cohorts by Tract#14

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

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1%18%34%50%66%83%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
6.2%10.7%15.2%19.7%24.1%28.6%

30s Age Cohorts by Tract#17

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

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
0.3%3.7%7.0%10.3%13.6%16.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
0.6%4.9%9.1%13.4%17.6%21.9%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0.6%3.8%7.0%10.2%13.4%16.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.7%3.0%5.2%7.4%9.6%11.9%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.5%3.0%5.5%8.0%10.6%13.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Black Hawk County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%7%15%22%29%37%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%19%38%58%77%96%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1%9%16%24%31%39%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%5%10%16%21%27%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0.0%4.5%9.0%13.5%18.0%22.5%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%8%16%23%31%39%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0.4%5.2%9.9%14.6%19.4%24.2%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%4.0%8.1%12.1%16.1%20.2%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%4.9%9.7%14.6%19.4%24.3%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Black Hawk County

There are 12 places that are fully or partially contained within Black Hawk County (10 fully and 2 partially). This section compares all 12 of those to each other, Black Hawk County, and other entities that contain or substantially overlap with Black Hawk County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Black Hawk County, selected places in Black Hawk County, and entities that contain Black Hawk County
0%10%20%30%Count#DunkertonRaymondLa Porte CityJesupHudsonWaterlooWest North CentralIowaMidwestUnited States of AmericaUnited StatesWaterloo and Cedar Falls Metro AreaWaterloo AreaBlack Hawk CountyBlack HawkWashburnJanesvilleEvansdaleCedar FallsGilbertvilleElk Run HeightsElk Run Hts33.519553%33.519553%33.5%300127.744270%27.744270%27.7%230227.632127%27.632127%27.6%664327.625489%27.625489%27.6%776424.523612%24.523612%24.5%592523.725441%23.725441%23.7%16,21816.2k623.689691%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%73,612,43873.6M21.775376%21.775376%21.8%36,98737.0k21.563608%21.563608%21.6%28,64128.6k21.283784%21.283784%21.3%189720.628931%20.628931%20.6%164819.920734%19.920734%19.9%955917.796610%17.796610%17.8%7,2661013.554633%13.554633%13.6%981112.823062%12.823062%12.8%12912
Count number of children
# rank of place out of 12 by %

Age Cohorts by County Subdivision in Black Hawk County

There are 20 county subdivisions in Black Hawk County. This section compares all 20 of those to each other, Black Hawk County, and other entities that contain or substantially overlap with Black Hawk County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Black Hawk County, selected county subdivisions in Black Hawk County, and entities that contain Black Hawk County
0%10%20%30%Count#Fox TownshipCedar Falls TownshipCedar FallsBarclay TownshipBarclayLester TownshipLesterBig Creek TownshipBig CrkBlack Hawk TownshipBlack HawkWaterlooWest North CentralIowaBennington TownshipBenningtonMidwestUnited States of AmericaUnited StatesCedar TownshipCedarSpring Creek TownshipSpg CrkWaterloo and Cedar Falls Metro AreaWaterloo AreaBlack Hawk CountyBlack HawkPoyner TownshipPoynerEvansdaleUnion TownshipUnionWashington TownshipWashingtonCedar FallsMount Vernon TownshipMt VernonEast Waterloo TownshipE WaterlooOrange TownshipOrangeEagle TownshipEagleLincoln TownshipLincoln37.390213%37.390213%37.4%298131.404959%31.404959%31.4%152231.237323%31.237323%31.2%154327.650341%27.650341%27.7%446426.399116%26.399116%26.4%717524.572883%24.572883%24.6%676623.725441%23.725441%23.7%16,21816.2k723.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.251029%23.251029%23.3%113823.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.016393%23.016393%23.0%351921.806854%21.806854%21.8%701021.775376%21.775376%21.8%36,98737.0k21.563608%21.563608%21.6%28,64128.6k20.074983%20.074983%20.1%5891119.920734%19.920734%19.9%9551219.515012%19.515012%19.5%1691318.783784%18.783784%18.8%1391417.796610%17.796610%17.8%7,2661513.627255%13.627255%13.6%1361613.288478%13.288478%13.3%158174.938272%4.938272%4.9%16184.337349%4.337349%4.3%18190.000000%0.000000%0.0%020
Count number of children
# rank of county subdivision out of 20 by %

Age Cohorts by County in the Waterloo Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Black Hawk County, selected other counties in the Waterloo Area, and entities that contain Black Hawk County
0%5%10%15%20%Count#West North CentralGrundy CountyGrundyIowaMidwestUnited States of AmericaUnited StatesBremer CountyBremerWaterloo and Cedar Falls Metro AreaWaterloo AreaBlack Hawk CountyBlack Hawk23.689691%23.689691%23.7%4,971,0164.97M23.567445%23.567445%23.6%2,916123.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.016786%22.016786%22.0%5,430221.775376%21.775376%21.8%36,98737.0k21.563608%21.563608%21.6%28,64128.6k3
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 Black Hawk County to the 50 most populous counties in Iowa and to those entities that contain or substantially overlap with Black Hawk 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 Black Hawk County, selected other counties in Iowa, and entities that contain Black Hawk 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 CountyBremerWaterloo and Cedar Falls Metro AreaWaterloo AreaJones 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%52,09052.1k2023.689691%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%5,4303721.775376%21.775376%21.8%36,98737.0k21.683512%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 Black Hawk County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Black Hawk 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 Black Hawk County, selected other counties in the United States, and entities that contain Black Hawk County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg 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 CountyPimaWaterloo and Cedar Falls Metro AreaWaterloo AreaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaBlack Hawk CountyBlack HawkAlameda 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%249,554250k1124.574361%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%219,290219k3921.775376%21.775376%21.8%36,98737.0k21.601744%21.601744%21.6%213,209213k4021.598472%21.598472%21.6%402,548403k4121.569623%21.569623%21.6%271,499271k4221.563608%21.563608%21.6%28,64128.6k21.443331%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.

More Topics to Explore

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Principal Cities:
Waterloo, Cedar Falls
Cities:
Cedar Falls, Dunkerton, Elk Run Heights, Evansdale, Gilbertville, Hudson, Janesville, Jesup, La Porte City, Raymond, Waterloo
Townships:
Barclay, Bennington, Big Creek, Black Hawk, Cedar, Cedar Falls, Eagle, East Waterloo, Fox, Lester, Lincoln, Mount Vernon, Orange, Poyner, Spring Creek, Union, Washington
Unincorporated Places:
Washburn
ZIP Codes:
50612, 50613, 50626, 50629, 50634, 50643, 50647, 50648, 50651, 50667, 50669, 50675, 50701, 50702, 50703, 50707
Unified School Districts:
Cedar Falls, Denver, Dike-New Hartford, Dunkerton, Gladbrook-Reinbeck, Hudson, Janesville District, Jesup, Union, Vinton-Shellsburg, Wapsie Valley, Waterloo, Waverly-Shell Rock
Congressional District:
IA-1
State Senate Districts:
IA-30, IA-31, IA-32, IA-36
State House Districts:
IA-59, IA-60, IA-61, IA-62, IA-63, IA-72
Neighboring Counties:
Benton, Bremer, Buchanan, Butler, Fayette, Grundy, Tama
Nearby Counties:
Chickasaw, Floyd, Howard, Iowa, Linn, Marshall, Poweshiek, Winneshiek