Age and Sex in Mahaska 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, Mahaska County, and other counties in Iowa
Mahaska County
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-47353.292%3.29%5602.509%2.51%5402.419%2.42%8703.897%3.90%6442.885%2.88%4772.137%2.14%8103.628%3.63%6783.037%3.04%1,5396.894%6.89%1,5707.033%7.03%1,3165.895%5.90%1,3946.244%6.24%1,2045.393%5.39%1,3516.052%6.05%1,3686.128%6.13%6252.800%2.80%3051.366%1.37%4311.931%1.93%6412.871%2.87%8813.946%3.95%1,4266.388%6.39%1,5697.028%7.03%1,3906.226%6.23%
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 Mahaska County
Female Male
Iowa
Mahaska County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.209540%-0.056989%-0.192490%-0.053856%-0.266529%0.27%0.209540%0.192490%0.209540%0.21%3,82617.139%17.1%-0.633578%-0.638182%-0.633578%0.63%0.633578%0.042107%0.638182%0.001353%0.675685%0.68%7,30732.732%32.7%-0.558940%-0.619125%-0.558940%0.56%0.558940%0.013936%0.619125%0.025145%0.572876%0.57%4,54820.373%20.4%-0.670803%-0.735381%-0.670803%0.67%0.670803%0.200457%0.735381%0.054111%0.871260%0.87%1,3776.168%6.17%-0.616676%-0.634612%-0.616676%0.62%0.616676%0.077147%0.634612%0.031800%0.693822%0.69%5,26623.589%23.6%
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 Mahaska County
Female Male
Iowa
Mahaska County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.062713%-0.080351%-0.051411%-0.053545%-0.143064%0.14%0.062713%0.051411%0.062713%0.06%7353.292%3.29%-0.226662%-0.048378%-0.174468%-0.075066%-0.275040%0.28%0.226662%0.174468%0.226662%0.23%5602.509%2.51%-0.221287%-0.041211%-0.248144%-0.065989%-0.262498%0.26%0.221287%0.248144%0.221287%0.22%5402.419%2.42%-0.341337%-0.096757%-0.334521%-0.038389%-0.438094%0.44%0.341337%0.334521%0.341337%0.34%8703.897%3.90%-0.470346%-0.424367%-0.036879%-0.470346%0.47%0.470346%0.020904%0.424367%0.491250%0.49%6442.885%2.88%-0.508421%-0.524144%-0.037115%-0.508421%0.51%0.508421%0.051514%0.524144%0.559935%0.56%4772.137%2.14%-0.530072%-0.595229%-0.000536%-0.530072%0.53%0.530072%0.149316%0.595229%0.679388%0.68%8103.628%3.63%-0.618169%-0.282207%-0.663219%-0.010462%-0.900376%0.90%0.618169%0.663219%0.618169%0.62%6783.037%3.04%-0.668339%-0.675983%-0.012541%-0.668339%0.67%0.668339%0.042107%0.675983%0.710446%0.71%1,5396.894%6.89%-0.681777%-0.690906%-0.006245%-0.681777%0.68%0.681777%0.043003%0.690906%0.724781%0.72%1,5707.033%7.03%-0.567103%-0.607007%-0.567103%0.57%0.567103%0.044795%0.607007%0.012683%0.611898%0.61%1,3165.895%5.90%-0.572478%-0.571295%-0.572478%0.57%0.572478%0.103924%0.571295%0.017376%0.676402%0.68%1,3946.244%6.24%-0.521412%-0.035836%-0.587487%-0.557248%0.56%0.521412%0.587487%0.012483%0.521412%0.52%1,2045.393%5.39%-0.586812%-0.036732%-0.628104%-0.623544%0.62%0.586812%0.628104%0.026170%0.586812%0.59%1,3516.052%6.05%-0.542913%-0.601386%-0.542913%0.54%0.542913%0.139760%0.601386%0.033864%0.682673%0.68%1,3686.128%6.13%-0.452428%-0.028370%-0.686455%-0.480798%0.48%0.452428%0.686455%0.030011%0.452428%0.45%6252.800%2.80%-0.676402%-0.733441%-0.676402%0.68%0.676402%0.013438%0.733441%0.046900%0.689841%0.69%3051.366%1.37%-0.716717%-0.770169%-0.716717%0.72%0.716717%0.497223%0.770169%0.056074%1.213940%1.21%4311.931%1.93%-0.645046%-0.718956%-0.645046%0.65%0.645046%0.145583%0.718956%0.056734%0.790629%0.79%6412.871%2.87%-0.624141%-0.640338%-0.624141%0.62%0.624141%0.067192%0.640338%0.030076%0.691334%0.69%8813.946%3.95%-0.550081%-0.639003%-0.550081%0.55%0.550081%0.177388%0.639003%0.033033%0.727468%0.73%1,4266.388%6.39%-0.690736%-0.024189%-0.643465%-0.714926%0.71%0.690736%0.643465%0.031842%0.690736%0.69%1,5697.028%7.03%-0.580541%-0.617932%-0.580541%0.58%0.580541%0.084214%0.617932%0.031559%0.664755%0.66%1,3906.226%6.23%
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 Mahaska County
More Females More Males
Iowa
Mahaska County
100%50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-128.125000%-104.151992%-128.125000%128.1%0.4380.4469.524%69.5%30.476%30.5%-21.343874%-43.025830%-21.343874%21.3%0.8240.8254.821%54.8%45.179%45.2%-18.623482%-26.592985%-18.623482%18.6%0.8430.8454.259%54.3%45.741%45.7%-28.346457%-11.475915%-28.346457%28.3%0.7790.7856.207%56.2%43.793%43.8%-8.690265%4.444444%4.444444%4.4%1.0441.0448.913%48.9%51.087%51.1%-7.081005%10.132159%10.132159%10.1%1.1011.1047.589%47.6%52.411%52.4%-0.090132%28.169014%28.169014%28.2%1.2821.2843.827%43.8%56.173%56.2%-45.652174%-1.577402%-45.652174%45.7%0.6870.6959.292%59.3%40.708%40.7%-1.855238%6.300268%6.300268%6.3%1.0631.0648.473%48.5%51.527%51.5%-0.903856%6.307490%6.307490%6.3%1.0631.0648.471%48.5%51.529%51.5%7.898894%2.089388%7.898894%7.9%1.0791.0848.100%48.1%51.900%51.9%18.153365%3.041504%18.153365%18.2%1.1821.1845.839%45.8%54.161%54.2%-6.872852%-6.872852%6.9%2.124838%0.9360.9451.661%51.7%48.339%48.3%-6.259542%-6.259542%6.3%4.166539%0.9410.9451.517%51.5%48.483%48.5%25.742574%5.630908%25.742574%25.7%1.2571.2644.298%44.3%55.702%55.7%-6.270627%-6.270627%6.3%4.371952%0.9410.9451.520%51.5%48.480%48.5%1.986755%6.394558%1.986755%2.0%1.0201.0249.508%49.5%50.492%50.5%69.375000%7.280782%69.375000%69.4%1.6941.6937.123%37.1%62.877%62.9%22.569444%7.891202%22.569444%22.6%1.2261.2344.930%44.9%55.070%55.1%10.765550%4.696873%10.765550%10.8%1.1081.1147.446%47.4%52.554%52.6%32.247557%5.169461%32.247557%32.2%1.3221.3243.058%43.1%56.942%56.9%-3.501946%-3.501946%3.5%4.948524%0.9660.9750.860%50.9%49.140%49.1%14.506173%5.107154%14.506173%14.5%1.1451.1546.619%46.6%53.381%53.4%
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 Mahaska County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%6%13%19%25%32%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%1.8%3.7%5.5%7.4%9.3%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%2.8%5.5%8.3%11.0%13.8%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.3%10.1%13.8%17.6%21.3%25.0%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0%5%10%15%20%26%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
0%9%17%26%35%44%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
2.5%7.3%12.0%16.7%21.4%26.1%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%3.0%6.0%9.0%12.1%15.1%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0%10%20%30%40%50%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Mahaska County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
18.1%19.9%21.7%23.5%25.3%27.2%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1.4%4.2%6.9%9.7%12.4%15.2%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.4%7.6%9.8%12.0%14.2%16.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
10.1%11.1%12.1%13.0%14.0%15.0%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
9.8%11.1%12.3%13.5%14.7%16.0%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
11.3%12.6%13.9%15.1%16.4%17.7%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
8.1%9.8%11.5%13.2%14.9%16.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.0%3.3%4.6%5.9%7.2%8.5%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.9%4.1%5.2%6.2%7.3%8.5%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Mahaska County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
13.1%17.0%20.9%24.8%28.7%32.7%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%6%11%16%22%27%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
2.1%5.3%8.5%11.7%14.9%18.1%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
5.9%9.4%12.9%16.3%19.8%23.3%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
7.1%9.6%12.1%14.5%17.0%19.4%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
3.9%7.6%11.3%14.9%18.6%22.3%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
6.1%9.7%13.1%16.6%20.1%23.6%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
1.1%3.5%5.8%8.1%10.5%12.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
1.3%3.9%6.4%9.0%11.5%14.1%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Mahaska County

There are 11 places that are fully or partially contained within Mahaska County (8 fully and 3 partially). This section compares all 11 of those to each other, Mahaska County, and other entities that contain or substantially overlap with Mahaska County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Mahaska County, selected places in Mahaska County, and entities that contain Mahaska County
0%10%20%30%Count#University ParkUniv PkEddyvilleLeightonFremontBarnes CityNew SharonWest North CentralOskaloosa Metro AreaOskaloosaMahaska CountyMahaskaIowaMidwestUnited States of AmericaUnited StatesPellaBeaconOskaloosaRose HillKeomah VillageKeomah Vlg33.512545%33.512545%33.5%187128.748964%28.748964%28.7%347227.461140%27.461140%27.5%53326.979866%26.979866%27.0%201426.037736%26.037736%26.0%69525.653207%25.653207%25.7%324623.689691%23.689691%23.7%4,971,0164.97M23.588963%23.588963%23.6%5,26623.588963%23.588963%23.6%5,26623.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.908560%22.908560%22.9%2,355722.623574%22.623574%22.6%119822.352227%22.352227%22.4%2,579916.875000%16.875000%16.9%27105.797101%5.797101%5.8%411
Count number of children
# rank of place out of 11 by %

Age Cohorts by County Subdivision in Mahaska County

There are 19 county subdivisions in Mahaska County. This section compares all 19 of those to each other, Mahaska County, and other entities that contain or substantially overlap with Mahaska County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Mahaska County, selected county subdivisions in Mahaska County, and entities that contain Mahaska County
0%10%20%30%Count#East Des Moines TownshipE Des MoinesCedar TownshipCedarRichland TownshipRichlandSpring Creek TownshipSpg CrkUnion TownshipUnionHarrison TownshipHarrisonPleasant Grove TownshipPleasant GrvPrairie TownshipPrairieWest North CentralOskaloosa Metro AreaOskaloosaMahaska CountyMahaskaIowaMidwestUnited States of AmericaUnited StatesOskaloosaBlack Oak TownshipBlack OakGarfield TownshipGarfieldLincoln TownshipLincolnWhite Oak TownshipWhite OakScott TownshipScottJefferson TownshipJeffersonAdams TownshipAdamsMonroe TownshipMonroeMadison TownshipMadisonWest Des Moines TownshipW Des Moines31.770833%31.770833%31.8%61131.644444%31.644444%31.6%356231.283422%31.283422%31.3%117330.455259%30.455259%30.5%582428.478964%28.478964%28.5%88526.623377%26.623377%26.6%246625.448029%25.448029%25.4%71724.336533%24.336533%24.3%431823.689691%23.689691%23.7%4,971,0164.97M23.588963%23.588963%23.6%5,26623.588963%23.588963%23.6%5,26623.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.352227%22.352227%22.4%2,579921.907216%21.907216%21.9%1701021.587302%21.587302%21.6%2721120.000000%20.000000%20.0%481219.851117%19.851117%19.9%801318.944099%18.944099%18.9%611416.216216%16.216216%16.2%481512.578616%12.578616%12.6%20169.146341%9.146341%9.1%15178.936170%8.936170%8.9%21180.000000%0.000000%0.0%019
Count number of children
# rank of county subdivision out of 19 by %

Age Cohorts by County in Iowa

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Mahaska County, selected other counties in Iowa, and entities that contain Mahaska 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 CountyPottawattamieOskaloosa Metro AreaOskaloosaMahaska 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%52,09052.1k2023.689691%23.689691%23.7%4,971,0164.97M23.681839%23.681839%23.7%22,07122.1k2123.588963%23.588963%23.6%5,26623.588963%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 Mahaska County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Mahaska County. The least populous of the compared counties has a population of 941,618.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Mahaska County, selected other counties in the United States, and entities that contain Mahaska 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 CountyFranklinOskaloosa Metro AreaOskaloosaMahaska CountyMahaskaFairfield 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%249,554250k1124.574361%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%291,625292k1823.588963%23.588963%23.6%5,26623.588963%23.588963%23.6%5,26623.577077%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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Principal Cities:
Oskaloosa, Pella
Cities:
Barnes City, Beacon, Eddyville, Fremont, Keomah Village, Leighton, New Sharon, Oskaloosa, Pella, Rose Hill, University Park
Townships:
Adams, Black Oak, Cedar, East Des Moines, Garfield, Harrison, Jefferson, Lincoln, Madison, Monroe, Pleasant Grove, Prairie, Richland, Scott, Spring Creek, Union, West Des Moines, White Oak
ZIP Codes:
50027, 50044, 50104, 50143, 50153, 50207, 50219, 50256, 50268, 52534, 52543, 52553, 52561, 52577, 52586, 52595
Unified School Districts:
Eddyville-Blakesburg-Fremont, Lynnville-Sully, North Mahaska, Oskaloosa, Pella, Tri-County, Twin Cedars
Congressional District:
IA-2
State Senate District:
IA-40
State House Districts:
IA-79, IA-80
Neighboring Counties:
Jasper, Keokuk, Marion, Monroe, Poweshiek, Wapello
Nearby Counties:
Appanoose, Davis, Iowa, Jefferson, Lucas, Marshall, Schuyler, Tama, Van Buren, Wayne