Age and Sex in Hancock County, Illinois (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Illinois.
Scope: population of Illinois, Hancock County, and other counties in Illinois
Hancock County
Illinois
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46753.623%3.62%5933.183%3.18%6963.735%3.74%9445.066%5.07%7544.047%4.05%5452.925%2.92%8044.315%4.31%5713.064%3.06%1,4477.766%7.77%1,4237.637%7.64%1,1576.209%6.21%9455.072%5.07%1,0165.453%5.45%9635.168%5.17%8914.782%4.78%5412.903%2.90%2401.288%1.29%1630.875%0.87%3852.066%2.07%6823.660%3.66%1,0455.608%5.61%1,1886.376%6.38%9655.179%5.18%
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 Illinois and Hancock County
Female Male
Illinois
Hancock County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.278926%-0.069321%-0.165938%-0.053741%-0.348247%0.35%0.278926%0.165938%0.278926%0.28%4,20722.578%22.6%-0.677293%-0.644483%-0.024551%-0.677293%0.68%0.677293%0.007943%0.644483%0.685236%0.69%6,34734.063%34.1%-0.482418%-0.675790%-0.482418%0.48%0.482418%0.052177%0.675790%0.008914%0.534595%0.53%3,41118.306%18.3%-0.503140%-0.050985%-0.674894%-0.554124%0.55%0.503140%0.674894%0.030373%0.503140%0.50%7884.229%4.23%-0.549801%-0.633316%-0.549801%0.55%0.549801%0.057246%0.633316%0.026163%0.607047%0.61%3,88020.823%20.8%
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 Illinois and Hancock County
Female Male
Illinois
Hancock County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.067421%-0.091571%-0.039174%-0.042517%-0.158992%0.16%0.067421%0.039174%0.067421%0.07%6753.623%3.62%-0.271561%-0.093383%-0.144845%-0.068886%-0.364944%0.36%0.271561%0.144845%0.271561%0.27%5933.183%3.18%-0.345623%-0.203849%-0.066811%-0.345623%0.35%0.345623%0.055815%0.203849%0.401438%0.40%6963.735%3.74%-0.426126%-0.161005%-0.300244%-0.059206%-0.587130%0.59%0.426126%0.300244%0.426126%0.43%9445.066%5.07%-0.592139%-0.164583%-0.387742%-0.055373%-0.756722%0.76%0.592139%0.387742%0.592139%0.59%7544.047%4.05%-0.617185%-0.469530%-0.056884%-0.617185%0.62%0.617185%0.228090%0.469530%0.845275%0.85%5452.925%2.92%-0.706632%-0.025045%-0.534885%-0.040654%-0.731677%0.73%0.706632%0.534885%0.706632%0.71%8044.315%4.31%-0.705737%-0.604325%-0.042815%-0.705737%0.71%0.705737%0.120754%0.604325%0.826491%0.83%5713.064%3.06%-0.765309%-0.022541%-0.651709%-0.040054%-0.787850%0.79%0.765309%0.651709%0.765309%0.77%1,4477.766%7.77%-0.748135%-0.031128%-0.695837%-0.024594%-0.779263%0.78%0.748135%0.695837%0.748135%0.75%1,4237.637%7.64%-0.604304%-0.661607%-0.012616%-0.604304%0.60%0.604304%0.033274%0.661607%0.637578%0.64%1,1576.209%6.21%-0.493748%-0.650601%-0.003975%-0.493748%0.49%0.493748%0.026834%0.650601%0.520582%0.52%9455.072%5.07%-0.519508%-0.647538%-0.002309%-0.519508%0.52%0.519508%0.051521%0.647538%0.571030%0.57%1,0165.453%5.45%-0.515215%-0.003220%-0.690067%-0.518435%0.52%0.515215%0.690067%0.002213%0.515215%0.52%9635.168%5.17%-0.455107%-0.685705%-0.455107%0.46%0.455107%0.046155%0.685705%0.016743%0.501261%0.50%8914.782%4.78%-0.406090%-0.678707%-0.406090%0.41%0.406090%0.155638%0.678707%0.025737%0.561727%0.56%5412.903%2.90%-0.456180%-0.375678%-0.706227%-0.831857%0.83%0.456180%0.706227%0.013204%0.456180%0.46%2401.288%1.29%-0.418612%-0.037568%-0.686439%-0.456180%0.46%0.418612%0.686439%0.037349%0.418612%0.42%1630.875%0.87%-0.464230%-0.653455%-0.464230%0.46%0.464230%0.104653%0.653455%0.035470%0.568883%0.57%3852.066%2.07%-0.586773%-0.661483%-0.586773%0.59%0.586773%0.046512%0.661483%0.027369%0.633285%0.63%6823.660%3.66%-0.538829%-0.044008%-0.649229%-0.582837%0.58%0.538829%0.649229%0.024833%0.538829%0.54%1,0455.608%5.61%-0.591424%-0.631827%-0.591424%0.59%0.591424%0.092309%0.631827%0.027192%0.683733%0.68%1,1886.376%6.38%-0.452960%-0.601994%-0.452960%0.45%0.452960%0.129877%0.601994%0.025741%0.582837%0.58%9655.179%5.18%
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 Illinois and Hancock County
More Females More Males
Illinois
Hancock County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-135.820896%-108.533512%-135.820896%135.8%0.4240.4270.222%70.2%29.778%29.8%-34.387352%-47.558421%-34.387352%34.4%0.7440.7457.336%57.3%42.664%42.7%-32.775021%16.149068%16.149068%16.1%1.1611.1646.264%46.3%53.736%53.7%-37.783375%-19.719383%-37.783375%37.8%0.7260.7357.945%57.9%42.055%42.1%-27.794562%-14.280841%-27.794562%27.8%0.7830.7856.101%56.1%43.899%43.9%-12.115010%36.956522%36.956522%37.0%1.3701.3742.202%42.2%57.798%57.8%-3.544304%-7.600436%-3.544304%3.5%0.9660.9750.871%50.9%49.129%49.1%-7.084825%17.110266%17.110266%17.1%1.1711.1746.060%46.1%53.940%53.9%-2.945302%-6.145977%-2.945302%2.9%0.9710.9750.726%50.7%49.274%49.3%-4.160689%-3.534511%-4.160689%4.2%0.9600.9651.019%51.0%48.981%49.0%-1.906910%5.506217%5.506217%5.5%1.0551.0648.660%48.7%51.340%51.3%-0.610908%5.434783%5.434783%5.4%1.0541.0548.677%48.7%51.323%51.3%-0.356647%9.917355%9.917355%9.9%1.0991.1047.638%47.6%52.362%52.4%-0.625000%-0.625000%0.6%0.320685%0.9940.9950.156%50.2%49.844%49.8%10.141509%2.441770%10.141509%10.1%1.1011.1047.587%47.6%52.413%52.4%38.325991%3.792094%38.325991%38.3%1.3831.3841.959%42.0%58.041%58.0%-82.352941%-82.352941%82.4%1.869725%0.5480.5564.583%64.6%35.417%35.4%-8.974359%-8.974359%9.0%5.441005%0.9180.9252.147%52.1%47.853%47.9%22.543353%5.428078%22.543353%22.5%1.2251.2344.935%44.9%55.065%55.1%7.926829%4.137471%7.926829%7.9%1.0791.0848.094%48.1%51.906%51.9%-8.167331%-8.167331%8.2%3.824931%0.9240.9251.962%52.0%48.038%48.0%15.607985%4.303673%15.607985%15.6%1.1561.1646.380%46.4%53.620%53.6%28.672986%4.276016%28.672986%28.7%1.2871.2943.731%43.7%56.269%56.3%
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 Hancock County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
4%10%16%22%28%35%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%2.3%4.7%7.0%9.3%11.7%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%3.2%6.5%9.7%12.9%16.2%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
3%9%14%20%26%32%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
2.0%5.9%9.8%13.7%17.6%21.6%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
4%10%16%21%27%33%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
4.2%7.1%10.0%13.0%15.9%18.8%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%4.6%9.2%13.8%18.4%23.1%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%3.6%7.3%10.9%14.6%18.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Hancock County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
17.3%18.5%19.6%20.7%21.8%22.9%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.2%3.1%4.0%4.9%5.7%6.6%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.5%5.6%6.6%7.6%8.6%9.7%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
8.3%9.2%10.0%10.9%11.7%12.6%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
8.1%9.2%10.4%11.5%12.6%13.8%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
12.2%13.6%15.0%16.4%17.8%19.2%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
10.1%11.6%13.1%14.6%16.1%17.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
5.2%6.4%7.5%8.6%9.8%10.9%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
4.6%5.6%6.5%7.4%8.3%9.2%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Hancock County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
9.7%13.9%18.1%22.3%26.5%30.7%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.5%2.7%4.9%7.0%9.2%11.4%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%2.8%5.7%8.5%11.3%14.2%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
4.6%7.9%11.1%14.3%17.5%20.8%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
3.6%6.6%9.6%12.6%15.6%18.7%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
7.5%12.1%16.7%21.3%25.9%30.6%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
7.5%11.4%15.3%19.1%23.0%26.9%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
3.0%5.8%8.5%11.2%13.9%16.7%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.3%2.8%5.2%7.7%10.1%12.6%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Hancock County

There are 15 places that are fully or partially contained within Hancock County (13 fully and 2 partially). This section compares all 15 of those to each other, Hancock County, and other entities that contain or substantially overlap with Hancock County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Hancock County, selected places in Hancock County, and entities that contain Hancock County
0%10%20%30%Count#West PointBowenLa HarpeNauvooIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralWarsawElvastonFort Madison and Keokuk Metro AreaFort MadisonFerrisHancock CountyHancockDallas CityCarthageHamiltonBascoAugustaPlymouthBentleyPontoosuc31.979695%31.979695%32.0%63128.723404%28.723404%28.7%135227.004798%27.004798%27.0%394325.000000%25.000000%25.0%323423.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.847458%22.847458%22.8%337522.580645%22.580645%22.6%28621.569274%21.569274%21.6%13,08513.1k21.186441%21.186441%21.2%25720.823271%20.823271%20.8%3,88020.519059%20.519059%20.5%253819.737366%19.737366%19.7%496919.135802%19.135802%19.1%5581015.294118%15.294118%15.3%131114.065934%14.065934%14.1%641211.749347%11.749347%11.7%451310.000000%10.000000%10.0%2145.882353%5.882353%5.9%515
Count number of children
# rank of place out of 15 by %

Age Cohorts by County Subdivision in Hancock County

There are 25 county subdivisions in Hancock County. This section compares all 25 of those to each other, Hancock County, and other entities that contain or substantially overlap with Hancock County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Hancock County, selected county subdivisions in Hancock County, and entities that contain Hancock County
0%10%20%30%Count#Chili TownshipChiliSt. Albans TownshipSt. AlbansRocky Run TownshipRocky RunSonora TownshipSonoraLa Harpe TownshipLa HarpeHancock TownshipHancockNauvoo TownshipNauvooIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralWarsaw TownshipWarsawPontoosuc TownshipPontoosucBear Creek TownshipBear CrkFort Madison and Keokuk Metro AreaFort MadisonPrairie TownshipPrairieRock Creek TownshipRock CrkDallas City TownshipDallas CityHarmony TownshipHarmonyHancock CountyHancockCarthage TownshipCarthageWythe TownshipWytheFountain Green TownshipFountain GrnWalker TownshipWalkerMontebello TownshipMontebelloAppanoose TownshipAppanooseWilcox TownshipWilcoxDurham TownshipDurhamAugusta TownshipAugustaSt. Mary TownshipSt. MaryPilot Grove TownshipPilot Grv34.064327%34.064327%34.1%233131.127451%31.127451%31.1%127228.571429%28.571429%28.6%42326.022305%26.022305%26.0%140425.836759%25.836759%25.8%440525.170068%25.170068%25.2%74623.370025%23.370025%23.4%276723.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.847458%22.847458%22.8%337822.455090%22.455090%22.5%75922.177419%22.177419%22.2%551021.569274%21.569274%21.6%13,08513.1k21.428571%21.428571%21.4%691121.232877%21.232877%21.2%621220.948970%20.948970%20.9%2341320.842572%20.842572%20.8%941420.823271%20.823271%20.8%3,88020.013365%20.013365%20.0%5991519.341564%19.341564%19.3%471619.191919%19.191919%19.2%571718.110236%18.110236%18.1%691817.179856%17.179856%17.2%5971915.855856%15.855856%15.9%882014.285714%14.285714%14.3%152113.084112%13.084112%13.1%282212.739965%12.739965%12.7%73239.354120%9.354120%9.4%42244.545455%4.545455%4.5%725
Count number of children
# rank of county subdivision out of 25 by %

Age Cohorts by County in the Fort Madison Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Hancock County, selected other counties in the Fort Madison Area, and entities that contain Hancock County
0%5%10%15%20%Count#Clark CountyClarkIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralLee CountyLeeFort Madison and Keokuk Metro AreaFort MadisonHancock CountyHancock23.279883%23.279883%23.3%1,597123.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M21.630843%21.630843%21.6%7,608221.569274%21.569274%21.6%13,08513.1k20.823271%20.823271%20.8%3,8803
Count number of children
# rank of county out of 3 by %

Age Cohorts by County in Illinois

There are 102 counties in Illinois. This section compares Hancock County to the 50 most populous counties in Illinois and to those entities that contain or substantially overlap with Hancock County. The least populous of the compared counties has a population of 29,301.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Hancock County, selected other counties in Illinois, and entities that contain Hancock County
0%10%20%Count#Kendall CountyKendallKane CountyKaneWill CountyWillBoone CountyBooneGrundy CountyGrundyLake CountyLakeMcHenry CountyMcHenryWoodford CountyWoodfordKankakee CountyKankakeeSt. Clair CountySt. ClairVermilion CountyVermilionWinnebago CountyWinnebagoPeoria CountyPeoriaEffingham CountyEffinghamDuPage CountyDuPageIllinoisMidwestUnited States of AmericaUnited StatesOgle CountyOgleTazewell CountyTazewellMonroe CountyMonroeEast North CentralSangamon CountySangamonMarion CountyMarionHenry CountyHenryWhiteside CountyWhitesideCook CountyCookAdams CountyAdamsRock Island CountyRock IslandMacon CountyMaconMadison CountyMadisonFranklin CountyFranklinMcLean CountyMcLeanBureau CountyBureauLaSalle CountyLaSalleJefferson CountyJeffersonDeKalb CountyDeKalbWilliamson CountyWilliamsonLivingston CountyLivingstonStephenson CountyStephensonMacoupin CountyMacoupinFort Madison and Keokuk Metro AreaFort MadisonClinton CountyClintonChristian CountyChristianHancock CountyHancockFulton CountyFultonLee CountyLeeMontgomery CountyMontgomeryKnox CountyKnoxMorgan CountyMorganRandolph CountyRandolphChampaign CountyChampaignLogan CountyLoganJackson CountyJacksonColes CountyColesMcDonough CountyMcDonough29.816718%29.816718%29.8%36,21336.2k127.145638%27.145638%27.1%142,953143k226.688338%26.688338%26.7%182,916183k326.487252%26.487252%26.5%14,21214.2k425.888990%25.888990%25.9%13,03213.0k525.491471%25.491471%25.5%179,177179k625.044369%25.044369%25.0%76,90776.9k724.995527%24.995527%25.0%9,779824.139632%24.139632%24.1%26,91426.9k924.119532%24.119532%24.1%64,05464.1k1023.988545%23.988545%24.0%19,09819.1k1123.939065%23.939065%23.9%69,15969.2k1223.908296%23.908296%23.9%44,66544.7k1323.786238%23.786238%23.8%8,1721423.510769%23.510769%23.5%218,771219k1523.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.106046%23.106046%23.1%12,02312.0k1623.090103%23.090103%23.1%31,26431.3k1723.045426%23.045426%23.0%7,7671823.005234%23.005234%23.0%10,741,74210.7M22.937590%22.937590%22.9%45,56345.6k1922.909903%22.909903%22.9%8,8212022.869910%22.869910%22.9%11,36211.4k2122.725921%22.725921%22.7%12,98913.0k2222.694997%22.694997%22.7%1,186,3981.19M2322.679950%22.679950%22.7%15,18415.2k2422.397909%22.397909%22.4%32,82132.8k2522.375558%22.375558%22.4%24,25624.3k2622.230928%22.230928%22.2%59,30359.3k2722.195783%22.195783%22.2%8,7682822.028929%22.028929%22.0%38,16638.2k2922.024126%22.024126%22.0%7,4493022.019029%22.019029%22.0%24,64724.6k3121.934948%21.934948%21.9%8,4503221.895882%21.895882%21.9%22,87222.9k3321.872401%21.872401%21.9%14,72814.7k3421.838618%21.838618%21.8%8,1413521.714236%21.714236%21.7%10,05010.1k3621.668603%21.668603%21.7%10,07210.1k3721.569274%21.569274%21.6%13,08513.1k21.374610%21.374610%21.4%8,0923821.211048%21.211048%21.2%7,1883920.823271%20.823271%20.8%3,88020.256887%20.256887%20.3%7,3024020.179734%20.179734%20.2%7,0064120.053923%20.053923%20.1%5,8764219.904545%19.904545%19.9%10,30110.3k4319.809776%19.809776%19.8%6,8944419.274913%19.274913%19.3%6,3484519.025773%19.025773%19.0%39,27339.3k4618.705567%18.705567%18.7%5,5784718.083057%18.083057%18.1%10,70310.7k4818.040983%18.040983%18.0%9,5264916.623066%16.623066%16.6%5,27450
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 Hancock County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Hancock 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 Hancock County, selected other counties in the United States, and entities that contain Hancock 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 CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsIllinoisMidwestHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeEast North CentralWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaNassau CountyNassauOakland CountyOaklandPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaFort Madison and Keokuk Metro AreaFort MadisonAlameda CountyAlamedaKing CountyKingHancock CountyHancockMiami-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%493,981494k1723.668593%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%260,665261k2123.337305%23.337305%23.3%608,369608k2223.270328%23.270328%23.3%2,990,6292.99M23.217458%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%721,172721k2623.005234%23.005234%23.0%10,741,74210.7M22.943185%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%271,499271k4221.569274%21.569274%21.6%13,08513.1k21.443331%21.443331%21.4%344,212344k4320.896492%20.896492%20.9%434,553435k4420.823271%20.823271%20.8%3,88020.604500%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

Demographics

Income

Education

More Maps to Explore

Cities:
Carthage, Dallas City, Hamilton, La Harpe, Nauvoo, Warsaw
Towns:
Bentley
Townships:
Appanoose, Augusta, Bear Creek, Carthage, Chili, Dallas City, Durham, Fountain Green, Hancock, Harmony, La Harpe, Montebello, Nauvoo, Pilot Grove, Pontoosuc, Prairie, Rock Creek, Rocky Run, Sonora, St. Albans, St. Mary, Walker, Warsaw, Wilcox, Wythe
Villages:
Augusta, Basco, Bowen, Elvaston, Ferris, Plymouth, Pontoosuc, West Point
ZIP Codes:
61420, 61450, 62311, 62313, 62316, 62321, 62326, 62330, 62334, 62336, 62341, 62349, 62351, 62354, 62358, 62367, 62373, 62374, 62379, 62380
Unified School Districts:
4, Hamilton Community District 328, Nauvoo-Colusa 325, Southeastern 337, Warsaw 316, West Prairie 103
Elementary School Districts:
Carthage 317, Dallas 327, La Harpe 347
Secondary School District:
Illini West 307
Congressional District:
IL-18
State Senate District:
IL-47
State House District:
IL-94
Neighboring Counties:
Adams, Clark, Henderson, Lee, Lewis, McDonough, Schuyler
Nearby Counties:
Brown, Des Moines, Henry, Jefferson, Louisa, Marion, Mercer, Pike, Van Buren, Warren