Age and Sex in Sangamon 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, Sangamon County, and other counties in Illinois
Sangamon County
Illinois
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-44,4732.252%2.25%4,0152.021%2.02%5,0812.558%2.56%7,1003.574%3.57%5,7952.917%2.92%4,4492.240%2.24%7,8393.946%3.95%5,1972.616%2.62%14,60914.6k7.355%7.35%14,82614.8k7.464%7.46%13,04613.0k6.568%6.57%12,67912.7k6.383%6.38%11,59811.6k5.839%5.84%13,05013.1k6.570%6.57%12,42512.4k6.255%6.26%7,5593.805%3.81%2,4861.252%1.25%2,3221.169%1.17%4,5272.279%2.28%7,8833.969%3.97%12,98913.0k6.539%6.54%12,94412.9k6.516%6.52%11,74711.7k5.914%5.91%
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 Sangamon County
Female Male
Illinois
Sangamon County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.181932%-0.068424%-0.165938%-0.053741%-0.250356%0.25%0.181932%0.165938%0.181932%0.18%30,91330.9k15.562%15.6%-0.659609%-0.054048%-0.644483%-0.024551%-0.713656%0.71%0.659609%0.644483%0.659609%0.66%68,19668.2k34.332%34.3%-0.614319%-0.019634%-0.675790%-0.633953%0.63%0.614319%0.675790%0.008914%0.614319%0.61%44,63244.6k22.469%22.5%-0.560187%-0.054496%-0.674894%-0.614683%0.61%0.560187%0.674894%0.030373%0.560187%0.56%9,3354.699%4.70%-0.624108%-0.633316%-0.624108%0.62%0.624108%0.026094%0.633316%0.026163%0.650202%0.65%45,56345.6k22.938%22.9%
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 Sangamon County
Female Male
Illinois
Sangamon County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.042791%-0.055157%-0.039174%-0.042517%-0.097948%0.10%0.042791%0.039174%0.042791%0.04%4,4732.252%2.25%-0.164922%-0.074406%-0.144845%-0.068886%-0.239329%0.24%0.164922%0.144845%0.164922%0.16%4,0152.021%2.02%-0.210835%-0.089912%-0.203849%-0.066811%-0.300747%0.30%0.210835%0.203849%0.210835%0.21%5,0812.558%2.56%-0.350082%-0.014700%-0.300244%-0.059206%-0.364782%0.36%0.350082%0.300244%0.350082%0.35%7,1003.574%3.57%-0.402405%-0.167641%-0.387742%-0.055373%-0.570046%0.57%0.402405%0.387742%0.402405%0.40%5,7952.917%2.92%-0.514249%-0.091372%-0.469530%-0.056884%-0.605621%0.61%0.514249%0.469530%0.514249%0.51%4,4492.240%2.24%-0.601594%-0.112264%-0.534885%-0.040654%-0.713858%0.71%0.601594%0.534885%0.601594%0.60%7,8393.946%3.95%-0.644385%-0.019382%-0.604325%-0.042815%-0.663767%0.66%0.644385%0.604325%0.644385%0.64%5,1972.616%2.62%-0.694325%-0.082260%-0.651709%-0.040054%-0.776585%0.78%0.694325%0.651709%0.694325%0.69%14,60914.6k7.355%7.35%-0.723020%-0.046718%-0.695837%-0.024594%-0.769738%0.77%0.723020%0.695837%0.723020%0.72%14,82614.8k7.464%7.46%-0.636129%-0.041281%-0.661607%-0.012616%-0.677410%0.68%0.636129%0.661607%0.636129%0.64%13,04613.0k6.568%6.57%-0.625859%-0.024869%-0.650601%-0.003975%-0.650728%0.65%0.625859%0.650601%0.625859%0.63%12,67912.7k6.383%6.38%-0.575013%-0.017721%-0.647538%-0.002309%-0.592734%0.59%0.575013%0.647538%0.575013%0.58%11,59811.6k5.839%5.84%-0.631598%-0.050745%-0.690067%-0.682343%0.68%0.631598%0.690067%0.002213%0.631598%0.63%13,05013.1k6.570%6.57%-0.609951%-0.031112%-0.685705%-0.641062%0.64%0.609951%0.685705%0.016743%0.609951%0.61%12,42512.4k6.255%6.26%-0.610152%-0.678707%-0.610152%0.61%0.610152%0.048161%0.678707%0.025737%0.658313%0.66%7,5593.805%3.81%-0.601090%-0.049336%-0.706227%-0.650426%0.65%0.601090%0.706227%0.013204%0.601090%0.60%2,4861.252%1.25%-0.512487%-0.143980%-0.686439%-0.656467%0.66%0.512487%0.686439%0.037349%0.512487%0.51%2,3221.169%1.17%-0.563585%-0.012334%-0.653455%-0.575919%0.58%0.563585%0.653455%0.035470%0.563585%0.56%4,5272.279%2.28%-0.645224%-0.661483%-0.645224%0.65%0.645224%0.032387%0.661483%0.027369%0.677611%0.68%7,8833.969%3.97%-0.648715%-0.649229%-0.648715%0.65%0.648715%0.010371%0.649229%0.024833%0.659085%0.66%12,98913.0k6.539%6.54%-0.640760%-0.631827%-0.640760%0.64%0.640760%0.021748%0.631827%0.027192%0.662508%0.66%12,94412.9k6.516%6.52%-0.570180%-0.601994%-0.570180%0.57%0.570180%0.042388%0.601994%0.025741%0.612569%0.61%11,74711.7k5.914%5.91%
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 Sangamon County
More Females More Males
Illinois
Sangamon County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-128.897059%-108.533512%-128.897059%128.9%0.4370.4469.595%69.6%30.405%30.4%-45.115995%-47.558421%-45.115995%45.1%0.6890.6959.203%59.2%40.797%40.8%-42.645654%-32.775021%-42.645654%42.6%0.7010.7058.788%58.8%41.212%41.2%-4.199022%-19.719383%-4.199022%4.2%0.9600.9651.028%51.0%48.972%49.0%-41.659716%-14.280841%-41.659716%41.7%0.7060.7158.619%58.6%41.381%41.4%-17.767988%-12.115010%-17.767988%17.8%0.8490.8554.080%54.1%45.920%45.9%-18.661088%-7.600436%-18.661088%18.7%0.8430.8454.267%54.3%45.733%45.7%-3.007812%-7.084825%-3.007812%3.0%0.9710.9750.741%50.7%49.259%49.3%-11.847448%-6.145977%-11.847448%11.8%0.8940.8952.796%52.8%47.204%47.2%-6.461496%-3.534511%-6.461496%6.5%0.9390.9451.565%51.6%48.435%48.4%-6.489395%-1.906910%-6.489395%6.5%0.9390.9451.571%51.6%48.429%48.4%-3.973616%-0.610908%-3.973616%4.0%0.9620.9650.974%51.0%49.026%49.0%-3.081772%-0.356647%-3.081772%3.1%0.9700.9750.759%50.8%49.241%49.2%-8.034433%-8.034433%8.0%0.320685%0.9260.9351.931%51.9%48.069%48.1%-5.100693%-5.100693%5.1%2.441770%0.9510.9551.243%51.2%48.757%48.8%7.893289%3.792094%7.893289%7.9%1.0791.0848.102%48.1%51.898%51.9%-8.207705%-8.207705%8.2%1.869725%0.9240.9251.971%52.0%48.029%48.0%-28.094303%-28.094303%28.1%5.441005%0.7810.7856.158%56.2%43.842%43.8%-2.188477%-2.188477%2.2%5.428078%0.9790.9850.541%50.5%49.459%49.5%5.019506%4.137471%5.019506%5.0%1.0501.0548.776%48.8%51.224%51.2%1.598634%3.824931%1.598634%1.6%1.0161.0249.604%49.6%50.396%50.4%3.394092%4.303673%3.394092%3.4%1.0341.0349.166%49.2%50.834%50.8%7.434222%4.276016%7.434222%7.4%1.0741.0748.208%48.2%51.792%51.8%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by County Subdivision in Sangamon County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
6%12%17%23%28%34%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%2.9%5.8%8.8%11.7%14.7%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%2.7%5.4%8.1%10.8%13.6%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
1%8%13%19%25%31%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
9.6%12.0%14.4%16.8%19.2%21.6%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
9.8%14.4%18.9%23.3%27.8%32.4%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
6%12%17%22%28%34%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%2.8%5.7%8.5%11.4%14.3%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%2.4%4.8%7.2%9.5%12.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Sangamon County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
4%12%20%27%35%43%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0.2%4.3%8.4%12.5%16.6%20.7%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
2%8%14%20%26%33%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
6.2%9.3%12.3%15.3%18.3%21.4%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
5.0%7.7%10.3%12.8%15.4%18.1%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
6.4%9.5%12.6%15.8%18.9%22.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
2.0%5.7%9.3%12.9%16.6%20.2%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.0%3.8%6.6%9.4%12.2%15.1%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.7%3.0%5.3%7.6%10.0%12.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Sangamon County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
3%13%22%32%41%51%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%10%19%29%39%49%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%8%16%25%33%42%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%7%14%21%27%35%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%6%12%19%25%31%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
3%10%17%24%30%37%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%6%12%18%24%30%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.9%7.8%11.7%15.6%19.6%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%6%12%18%24%30%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Sangamon County

There are 27 places that are fully or partially contained within Sangamon County (26 fully and 1 partially). This section compares all 27 of those to each other, Sangamon County, and other entities that contain or substantially overlap with Sangamon County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Sangamon County, selected places in Sangamon County, and entities that contain Sangamon County
0%10%20%30%Count#New BerlinPleasant PlainsLoamiRochesterWilliamsvilleChathamAuburnPawneeGrandviewMechanicsburgVirdenRivertonDivernonIlliopolisCurranSpauldingIllinoisMidwestUnited States of AmericaUnited StatesBuffaloEast North CentralShermanSangamon CountySangamonSpringfield Metro AreaSpringfieldSpringfieldSouthern ViewThayerDawsonCantrallLeland GroveJeromeBerlinClear Lake32.956811%32.956811%33.0%496131.365741%31.365741%31.4%271231.262940%31.262940%31.3%302330.377000%30.377000%30.4%1,120429.049034%29.049034%29.0%391528.729414%28.729414%28.7%3,611627.087495%27.087495%27.1%1,356726.661797%26.661797%26.7%730825.648415%25.648415%25.6%356925.361156%25.361156%25.4%1581025.315367%25.315367%25.3%8831125.050739%25.050739%25.1%8641224.479600%24.479600%24.5%2941324.330900%24.330900%24.3%2001424.299065%24.299065%24.3%521523.368146%23.368146%23.4%1791623.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.061630%23.061630%23.1%1161723.005234%23.005234%23.0%10,741,74210.7M22.956403%22.956403%23.0%1,0111822.937590%22.937590%22.9%45,56345.6k22.922141%22.922141%22.9%48,41548.4k22.468628%22.468628%22.5%26,23126.2k1919.106090%19.106090%19.1%3892018.681319%18.681319%18.7%1362117.095588%17.095588%17.1%932216.528926%16.528926%16.5%202315.323077%15.323077%15.3%2492414.921781%14.921781%14.9%2482512.021858%12.021858%12.0%222611.415525%11.415525%11.4%2527
Count number of children
# rank of place out of 27 by %

Age Cohorts by County Subdivision in Sangamon County

There are 26 county subdivisions in Sangamon County. This section compares all 26 of those to each other, Sangamon County, and other entities that contain or substantially overlap with Sangamon County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Sangamon County, selected county subdivisions in Sangamon County, and entities that contain Sangamon County
0%10%20%30%Count#Talkington TownshipTalkingtonNew Berlin TownshipNew BerlinSpringfield TownshipSpringfieldRochester TownshipRochesterBall TownshipLoami TownshipLoamiChatham TownshipChathamWilliams TownshipWilliamsCartwright TownshipCartwrightPawnee TownshipPawneeAuburn TownshipAuburnClear Lake TownshipClear LkIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralSangamon CountySangamonSpringfield Metro AreaSpringfieldCapital TownshipCapitalGardner TownshipGardnerIlliopolis TownshipIlliopolisIsland Grove TownshipIs GrvDivernon TownshipDivernonMechanicsburg TownshipMechanicsburgCurran TownshipCurranCotton Hill TownshipCotton HlFancy Creek TownshipFancy CrkWoodside TownshipWoodsideCooper TownshipCooperMaxwell TownshipMaxwellBuffalo Hart TownshipBuffalo HartLanesville TownshipLanesville33.783784%33.783784%33.8%50132.050511%32.050511%32.1%533228.677872%28.677872%28.7%1,655327.610294%27.610294%27.6%1,502427.288354%27.288354%27.3%1,905526.876091%26.876091%26.9%308626.776181%26.776181%26.8%1,956726.770982%26.770982%26.8%941825.666667%25.666667%25.7%385925.601318%25.601318%25.6%7771025.471848%25.471848%25.5%1,6061124.326867%24.326867%24.3%2,0691223.270328%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%10,741,74210.7M22.937590%22.937590%22.9%45,56345.6k22.922141%22.922141%22.9%48,41548.4k22.459425%22.459425%22.5%26,15426.2k1321.947233%21.947233%21.9%9401421.922160%21.922160%21.9%2761521.406250%21.406250%21.4%1371620.416667%20.416667%20.4%2941719.049521%19.049521%19.0%4771819.041278%19.041278%19.0%2861918.714122%18.714122%18.7%1632018.532142%18.532142%18.5%1,0582117.111501%17.111501%17.1%1,9492214.542936%14.542936%14.5%105236.923077%6.923077%6.9%18246.766917%6.766917%6.8%9256.172840%6.172840%6.2%1026
Count number of children
# rank of county subdivision out of 26 by %

Age Cohorts by County in the Springfield Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Sangamon County, selected other counties in the Springfield Area, and entities that contain Sangamon County
0%5%10%15%20%Count#IllinoisMidwestUnited States of AmericaUnited StatesEast North CentralSangamon CountySangamonSpringfield Metro AreaSpringfieldMenard CountyMenard23.270328%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%10,741,74210.7M22.937590%22.937590%22.9%45,56345.6k122.922141%22.922141%22.9%48,41548.4k22.678117%22.678117%22.7%2,8522
Count number of children
# rank of county out of 2 by %

Age Cohorts by County in Illinois

There are 102 counties in Illinois. This section compares Sangamon County to the 50 most populous counties in Illinois and to those entities that contain or substantially overlap with Sangamon 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 Sangamon County, selected other counties in Illinois, and entities that contain Sangamon 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 CountySangamonSpringfield Metro AreaSpringfieldMarion CountyMarionHenry CountyHenryWhiteside CountyWhitesideCook CountyCookAdams CountyAdamsRock Island CountyRock IslandMacon CountyMaconMadison CountyMadisonFranklin CountyFranklinMcLean CountyMcLeanBureau CountyBureauLaSalle CountyLaSalleJefferson CountyJeffersonDeKalb CountyDeKalbWilliamson CountyWilliamsonLivingston CountyLivingstonStephenson CountyStephensonMacoupin CountyMacoupinClinton CountyClintonChristian CountyChristianFulton 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%45,56345.6k1922.922141%22.922141%22.9%48,41548.4k22.909903%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%10,07210.1k3721.374610%21.374610%21.4%8,0923821.211048%21.211048%21.2%7,1883920.256887%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 Sangamon County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Sangamon 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 Sangamon County, selected other counties in the United States, and entities that contain Sangamon 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 CountyWestchesterSangamon CountySangamonFulton CountyFultonSpringfield Metro AreaSpringfieldLos 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%493,981494k1723.668593%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%222,372222k2722.937590%22.937590%22.9%45,56345.6k22.934276%22.934276%22.9%228,599229k2822.922141%22.922141%22.9%48,41548.4k22.837323%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.

More Topics to Explore

Demographics

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More Maps to Explore

Principal City:
Springfield
Cities:
Auburn, Leland Grove, Springfield, Virden
Townships:
Auburn, Ball, Buffalo Hart, Capital, Cartwright, Chatham, Clear Lake, Cooper, Cotton Hill, Curran, Divernon, Fancy Creek, Gardner, Illiopolis, Island Grove, Lanesville, Loami, Maxwell, Mechanicsburg, New Berlin, Pawnee, Rochester, Springfield, Talkington, Williams, Woodside
Villages:
Berlin, Buffalo, Cantrall, Chatham, Clear Lake, Curran, Dawson, Divernon, Grandview, Illiopolis, Jerome, Loami, Mechanicsburg, New Berlin, Pawnee, Pleasant Plains, Riverton, Rochester, Sherman, Southern View, Spaulding, Thayer, Williamsville
ZIP Codes:
62515, 62520, 62530, 62536, 62539, 62545, 62548, 62558, 62561, 62563, 62613, 62615, 62625, 62629, 62661, 62670, 62677, 62684, 62689, 62690, 62692, 62693, 62701, 62702, 62703, 62704, 62707, 62711, 62712
Unified School Districts:
A-C Central 262, Athens 213, Auburn 10, Ball-Chatham 5, 16, Edinburg 4, Mount Pulaski 23, North Mac 34, Pawnee 11, Pleasant Plains 8, Porta 202, Riverton 14, Rochester 3A, Sangamon Valley 9, Springfield 186, Tri-City 1, Waverly 6, Williamsville 15
Congressional Districts:
IL-13, IL-18
State Senate Districts:
IL-44, IL-48, IL-50
State House Districts:
IL-87, IL-96, IL-99, IL-100
Neighboring Counties:
Cass, Christian, Logan, Macon, Macoupin, Menard, Montgomery, Morgan
Nearby Counties:
Bond, De Witt, Fulton, Greene, Jersey, Mason, Scott, Shelby, Tazewell