Age and Sex in Rock Island 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, Rock Island County, and other counties in Illinois
Rock Island County
Illinois
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43,8452.624%2.62%3,5392.415%2.42%4,3252.951%2.95%6,0194.108%4.11%4,5243.087%3.09%3,4282.339%2.34%5,4953.750%3.75%4,1592.838%2.84%10,68310.7k7.290%7.29%9,9946.820%6.82%8,8816.061%6.06%8,5025.802%5.80%8,6695.916%5.92%9,4646.458%6.46%9,0126.150%6.15%5,2003.549%3.55%2,2071.506%1.51%1,9661.342%1.34%3,8032.595%2.60%5,4163.696%3.70%8,9096.080%6.08%9,1916.272%6.27%9,3056.350%6.35%
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 Rock Island County
Female Male
Illinois
Rock Island County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.213391%-0.060016%-0.165938%-0.053741%-0.273406%0.27%0.213391%0.165938%0.213391%0.21%25,68025.7k17.525%17.5%-0.647814%-0.006824%-0.644483%-0.024551%-0.654638%0.65%0.647814%0.644483%0.647814%0.65%47,71447.7k32.561%32.6%-0.605691%-0.675790%-0.605691%0.61%0.605691%0.014900%0.675790%0.008914%0.620591%0.62%32,34532.3k22.073%22.1%-0.662977%-0.674894%-0.662977%0.66%0.662977%0.034804%0.674894%0.030373%0.697781%0.70%7,9765.443%5.44%-0.611871%-0.633316%-0.611871%0.61%0.611871%0.020587%0.633316%0.026163%0.632457%0.63%32,82132.8k22.398%22.4%
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 Rock Island County
Female Male
Illinois
Rock Island County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.056556%-0.050883%-0.039174%-0.042517%-0.107439%0.11%0.056556%0.039174%0.056556%0.06%3,8452.624%2.62%-0.184937%-0.113146%-0.144845%-0.068886%-0.298084%0.30%0.184937%0.144845%0.184937%0.18%3,5392.415%2.42%-0.268193%-0.053912%-0.203849%-0.066811%-0.322105%0.32%0.268193%0.203849%0.268193%0.27%4,3252.951%2.95%-0.410002%-0.001501%-0.300244%-0.059206%-0.411503%0.41%0.410002%0.300244%0.410002%0.41%6,0194.108%4.11%-0.445624%-0.137850%-0.387742%-0.055373%-0.583474%0.58%0.445624%0.387742%0.445624%0.45%4,5243.087%3.09%-0.562319%-0.045040%-0.469530%-0.056884%-0.607359%0.61%0.562319%0.469530%0.562319%0.56%3,4282.339%2.34%-0.572556%-0.104866%-0.534885%-0.040654%-0.677422%0.68%0.572556%0.534885%0.572556%0.57%5,4953.750%3.75%-0.696416%-0.026273%-0.604325%-0.042815%-0.722689%0.72%0.696416%0.604325%0.696416%0.70%4,1592.838%2.84%-0.727193%-0.003685%-0.651709%-0.040054%-0.730878%0.73%0.727193%0.651709%0.727193%0.73%10,68310.7k7.290%7.29%-0.667549%-0.028935%-0.695837%-0.024594%-0.696484%0.70%0.667549%0.695837%0.667549%0.67%9,9946.820%6.82%-0.598078%-0.661607%-0.012616%-0.598078%0.60%0.598078%0.015969%0.661607%0.614047%0.61%8,8816.061%6.06%-0.552219%-0.650601%-0.003975%-0.552219%0.55%0.552219%0.055959%0.650601%0.608178%0.61%8,5025.802%5.80%-0.590708%-0.647538%-0.002309%-0.590708%0.59%0.590708%0.001774%0.647538%0.592482%0.59%8,6695.916%5.92%-0.623465%-0.690067%-0.623465%0.62%0.623465%0.044767%0.690067%0.002213%0.668232%0.67%9,4646.458%6.46%-0.604630%-0.685705%-0.604630%0.60%0.604630%0.020746%0.685705%0.016743%0.625375%0.63%9,0126.150%6.15%-0.580062%-0.022748%-0.678707%-0.602810%0.60%0.580062%0.678707%0.025737%0.580062%0.58%5,2003.549%3.55%-0.724054%-0.058006%-0.706227%-0.782060%0.78%0.724054%0.706227%0.013204%0.724054%0.72%2,2071.506%1.51%-0.604630%-0.686439%-0.604630%0.60%0.604630%0.132391%0.686439%0.037349%0.737020%0.74%1,9661.342%1.34%-0.632609%-0.653455%-0.632609%0.63%0.632609%0.032415%0.653455%0.035470%0.665024%0.67%3,8032.595%2.60%-0.593938%-0.661483%-0.593938%0.59%0.593938%0.044130%0.661483%0.027369%0.638068%0.64%5,4163.696%3.70%-0.580062%-0.649229%-0.580062%0.58%0.580062%0.055822%0.649229%0.024833%0.635885%0.64%8,9096.080%6.08%-0.624829%-0.631827%-0.624829%0.62%0.624829%0.004777%0.631827%0.027192%0.629606%0.63%9,1916.272%6.27%-0.628514%-0.012966%-0.601994%-0.641481%0.64%0.628514%0.601994%0.025741%0.628514%0.63%9,3056.350%6.35%
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 Rock Island County
More Females More Males
Illinois
Rock Island County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-89.969834%-108.533512%-89.969834%90.0%0.5260.5365.514%65.5%34.486%34.5%-61.180812%-47.558421%-61.180812%61.2%0.6200.6261.712%61.7%38.288%38.3%-20.101781%-32.775021%-20.101781%20.1%0.8330.8354.566%54.6%45.434%45.4%-0.366178%-19.719383%-0.366178%0.4%0.9961.0050.091%50.1%49.909%49.9%-30.934150%-14.280841%-30.934150%30.9%0.7640.7656.698%56.7%43.302%43.3%-8.009709%-12.115010%-8.009709%8.0%0.9260.9351.925%51.9%48.075%48.1%-18.315455%-7.600436%-18.315455%18.3%0.8450.8554.195%54.2%45.805%45.8%-3.772660%-7.084825%-3.772660%3.8%0.9640.9650.926%50.9%49.074%49.1%-0.506757%-6.145977%-0.506757%0.5%0.9950.9950.126%50.1%49.874%49.9%-4.334492%-3.534511%-4.334492%4.3%0.9580.9651.061%51.1%48.939%48.9%-1.906910%2.670014%2.670014%2.7%1.0271.0349.341%49.3%50.659%50.7%-0.610908%10.133465%10.133465%10.1%1.1011.1047.589%47.6%52.411%52.4%-0.356647%0.300370%0.300370%0.3%1.0031.0049.925%49.9%50.075%50.1%7.180385%0.320685%7.180385%7.2%1.0721.0748.267%48.3%51.733%51.7%3.431151%2.441770%3.431151%3.4%1.0341.0349.157%49.2%50.843%50.8%-3.921569%-3.921569%3.9%3.792094%0.9620.9650.962%51.0%49.038%49.0%-8.011310%-8.011310%8.0%1.869725%0.9260.9351.926%51.9%48.074%48.1%21.896163%5.441005%21.896163%21.9%1.2191.2245.066%45.1%54.934%54.9%5.124056%5.428078%5.124056%5.1%1.0511.0548.751%48.8%51.249%51.2%7.430103%4.137471%7.430103%7.4%1.0741.0748.209%48.2%51.791%51.8%9.623529%3.824931%9.623529%9.6%1.0961.1047.705%47.7%52.295%52.3%0.764526%4.303673%0.764526%0.8%1.0081.0149.810%49.8%50.190%50.2%-2.062975%-2.062975%2.1%4.276016%0.9800.9850.510%50.5%49.490%49.5%
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 Rock Island County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
9.5%14.5%19.5%24.4%29.3%34.3%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
1.8%5.1%8.4%11.7%14.9%18.3%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
2.0%4.3%6.5%8.7%10.9%13.1%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.2%8.4%10.5%12.7%14.8%17.0%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
2.1%5.8%9.4%13.0%16.7%20.3%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.2%15.0%19.7%24.4%29.2%33.9%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.7%11.5%15.2%19.0%22.8%26.6%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
2.7%5.2%7.7%10.1%12.5%15.0%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.8%2.2%3.5%4.8%6.2%7.5%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Map of Age Cohorts by Tract in Rock Island County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
12.0%17.0%22.0%26.9%31.9%36.9%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%8%15%22%29%37%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.0%6.4%8.8%11.2%13.6%16.0%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.4%9.3%11.1%13.0%14.8%16.7%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
5.6%8.3%10.9%13.5%16.1%18.8%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
7.1%10.1%13.0%15.9%18.8%21.7%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
4.9%7.9%10.9%13.8%16.8%19.8%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.2%4.1%5.8%7.6%9.3%11.2%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
1.2%3.3%5.3%7.4%9.5%11.6%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Map of Age Cohorts by Block Group in Rock Island County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
4%14%23%32%41%51%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%16%31%47%62%78%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1.1%5.7%10.3%14.9%19.5%24.1%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
1%6%12%17%22%28%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
2.7%7.2%11.7%16.2%20.7%25.3%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
1%8%16%23%30%37%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
1%7%13%19%25%31%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.7%7.5%11.2%14.9%18.7%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%4.5%8.9%13.4%17.8%22.3%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Age Cohorts by Place in Rock Island County

There are 17 places that are fully or partially contained within Rock Island County (15 fully and 2 partially). This section compares all 17 of those to each other, Rock Island County, and other entities that contain or substantially overlap with Rock Island County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Island County, selected places in Rock Island County, and entities that contain Rock Island County
0%10%20%30%Count#Carbon CliffSilvisOak GroveRock Island ArsenalRock Is ArsenalHamptonEast MolineHillsdalePort ByronCoyne CenterIllinoisMidwestDavenport, Moline, and Rock Island Metro AreaDavenportUnited States of AmericaUnited StatesEast North CentralMolineRock Island CountyRock IslandRock IslandRapids CityReynoldsCoal ValleyCordovaMilanAndalusia31.175889%31.175889%31.2%631128.518420%28.518420%28.5%2,152228.469751%28.469751%28.5%160326.050420%26.050420%26.1%31425.901804%25.901804%25.9%517524.263812%24.263812%24.3%5,191624.057451%24.057451%24.1%134723.832335%23.832335%23.8%398823.453370%23.453370%23.5%254923.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.181078%23.181078%23.2%88,85488.9k23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.700619%22.700619%22.7%9,7171022.397909%22.397909%22.4%32,82132.8k21.771418%21.771418%21.8%8,4141121.643836%21.643836%21.6%2371221.396396%21.396396%21.4%951320.104575%20.104575%20.1%7691419.069767%19.069767%19.1%1231517.873259%17.873259%17.9%9111617.682927%17.682927%17.7%20317
Count number of children
# rank of place out of 17 by %

Age Cohorts by County Subdivision in Rock Island County

There are 18 county subdivisions in Rock Island County. This section compares all 18 of those to each other, Rock Island County, and other entities that contain or substantially overlap with Rock Island County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Island County, selected county subdivisions in Rock Island County, and entities that contain Rock Island County
0%10%20%30%Count#Canoe Creek TownshipCanoe CrkDrury TownshipDruryHampton TownshipHamptonRock Island TownshipRock IsMoline TownshipMolineIllinoisMidwestDavenport, Moline, and Rock Island Metro AreaDavenportUnited States of AmericaUnited StatesEast North CentralSouth Moline TownshipS MolineRock Island CountyRock IslandCoe TownshipPort Byron TownshipPort ByronRural TownshipRuralZuma TownshipBlackhawk TownshipBlackhawkBowling TownshipBowlingCordova TownshipCordovaEdgington TownshipEdgingtonSouth Rock Island TownshipS Rock IsCoal Valley TownshipCoal VlyAndalusia TownshipAndalusiaBuffalo Prairie TownshipBuffalo Prairie34.282700%34.282700%34.3%325128.711790%28.711790%28.7%263226.103043%26.103043%26.1%5,644324.013363%24.013363%24.0%4,241423.480102%23.480102%23.5%5,434523.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.181078%23.181078%23.2%88,85488.9k23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.438742%22.438742%22.4%8,141622.397909%22.397909%22.4%32,82132.8k21.498173%21.498173%21.5%353721.139327%21.139327%21.1%308820.622568%20.622568%20.6%212920.577617%20.577617%20.6%1141020.497583%20.497583%20.5%2,0351119.587629%19.587629%19.6%6651218.833536%18.833536%18.8%1551318.640505%18.640505%18.6%2661418.464491%18.464491%18.5%3,3671518.384841%18.384841%18.4%8151618.045113%18.045113%18.0%408179.590793%9.590793%9.6%7518
Count number of children
# rank of county subdivision out of 18 by %

Age Cohorts by County in the Davenport Area

There are 4 counties in the Davenport Area. This section compares Rock Island County to all of the counties in the Davenport Area and to those entities that contain or substantially overlap with Rock Island County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Island County, selected other counties in the Davenport Area, and entities that contain Rock Island County
0%5%10%15%20%Count#Scott CountyScottIllinoisMidwestDavenport, Moline, and Rock Island Metro AreaDavenportUnited States of AmericaUnited StatesEast North CentralHenry CountyHenryRock Island CountyRock IslandMercer CountyMercer24.059118%24.059118%24.1%41,16941.2k123.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.181078%23.181078%23.2%88,85488.9k23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.869910%22.869910%22.9%11,36211.4k222.397909%22.397909%22.4%32,82132.8k321.927243%21.927243%21.9%3,5024
Count number of children
# rank of county out of 4 by %

Age Cohorts by County in Illinois

There are 102 counties in Illinois. This section compares Rock Island County to the 50 most populous counties in Illinois and to those entities that contain or substantially overlap with Rock Island 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 Rock Island County, selected other counties in Illinois, and entities that contain Rock Island County
0%10%20%Count#Kendall CountyKendallKane CountyKaneWill CountyWillBoone CountyBooneGrundy CountyGrundyLake CountyLakeMcHenry CountyMcHenryWoodford CountyWoodfordKankakee CountyKankakeeSt. Clair CountySt. ClairVermilion CountyVermilionWinnebago CountyWinnebagoPeoria CountyPeoriaEffingham CountyEffinghamDuPage CountyDuPageIllinoisMidwestDavenport, Moline, and Rock Island Metro AreaDavenportUnited 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 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%15,712,75815.7M23.181078%23.181078%23.2%88,85488.9k23.108006%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%10,07210.1k3721.374610%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 Rock Island County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Rock Island 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 Rock Island County, selected other counties in the United States, and entities that contain Rock Island 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 CountyHillsboroughDavenport, Moline, and Rock Island Metro AreaDavenportUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeEast North CentralWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookSt. Louis CountySt. LouisRock Island CountyRock IslandSan 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%306,913307k2323.181078%23.181078%23.2%88,85488.9k23.108006%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%224,447224k3222.397909%22.397909%22.4%32,82132.8k22.366565%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

Income

Education

More Maps to Explore

Principal Cities:
Moline, Rock Island
Cities:
East Moline, Moline, Rock Island, Silvis
Townships:
Andalusia, Blackhawk, Bowling, Buffalo Prairie, Canoe Creek, Coal Valley, Coe, Cordova, Drury, Edgington, Hampton, Moline, Port Byron, Rock Island, Rural, South Moline, South Rock Island, Zuma
Unincorporated Places:
Coyne Center, Rock Island Arsenal
Villages:
Andalusia, Carbon Cliff, Coal Valley, Cordova, Hampton, Hillsdale, Milan, Oak Grove, Port Byron, Rapids City, Reynolds
ZIP Codes:
61201, 61232, 61236, 61239, 61240, 61242, 61244, 61256, 61257, 61259, 61260, 61264, 61265, 61272, 61273, 61275, 61278, 61279, 61281, 61282, 61284
Unified School Districts:
Erie 1, Mercer County 404, Moline 40, Orion 223, Riverdale 100, Rock Island 41, Rockridge 300, Sherrard 200
Elementary School Districts:
Carbon Cliff-Barstow 36, East Moline 37, Hampton 29, Silvis 34
Secondary School District:
United Township 30
Congressional District:
IL-17
State Senate District:
IL-36
State House Districts:
IL-71, IL-72
Neighboring Counties:
Clinton, Henry, Louisa, Mercer, Muscatine, Scott, Whiteside
Nearby Counties:
Carroll, Cedar, Des Moines, Henderson, Jackson, Jones, Knox, Stark, Warren