Age and Sex in Boone 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, Boone County, and other counties in Illinois
Boone County
Illinois
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-47811.456%1.46%1,0181.897%1.90%1,0201.901%1.90%1,9553.644%3.64%1,4362.676%2.68%1,1062.061%2.06%1,5642.915%2.91%1,2552.339%2.34%3,7366.963%6.96%3,7216.935%6.93%4,2117.848%7.85%3,6886.873%6.87%3,4326.396%6.40%3,0135.615%5.62%2,7045.040%5.04%1,6203.019%3.02%1,0361.931%1.93%6941.293%1.29%1,4542.710%2.71%2,7415.108%5.11%4,7308.815%8.82%3,6106.728%6.73%3,1315.835%5.84%
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 Boone County
Female Male
Illinois
Boone County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.171100%-0.036550%-0.165938%-0.053741%-0.207650%0.21%0.171100%0.165938%0.171100%0.17%7,31613.635%13.6%-0.672283%-0.010362%-0.644483%-0.024551%-0.682645%0.68%0.672283%0.644483%0.672283%0.67%18,17518.2k33.873%33.9%-0.535303%-0.675790%-0.535303%0.54%0.535303%0.044419%0.675790%0.008914%0.579722%0.58%10,76910.8k20.070%20.1%-0.694237%-0.674894%-0.694237%0.69%0.694237%0.095050%0.674894%0.030373%0.789287%0.79%3,1845.934%5.93%-0.712046%-0.633316%-0.712046%0.71%0.712046%0.047421%0.633316%0.026163%0.759468%0.76%14,21214.2k26.487%26.5%
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 Boone County
Female Male
Illinois
Boone County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.037158%-0.016657%-0.039174%-0.042517%-0.053815%0.05%0.037158%0.039174%0.037158%0.04%7811.456%1.46%-0.184881%-0.009691%-0.144845%-0.068886%-0.194573%0.19%0.184881%0.144845%0.184881%0.18%1,0181.897%1.90%-0.142016%-0.096168%-0.203849%-0.066811%-0.238184%0.24%0.142016%0.203849%0.142016%0.14%1,0201.901%1.90%-0.355599%-0.300244%-0.059206%-0.355599%0.36%0.355599%0.017519%0.300244%0.373118%0.37%1,9553.644%3.64%-0.399458%-0.093186%-0.387742%-0.055373%-0.492645%0.49%0.399458%0.387742%0.399458%0.40%1,4362.676%2.68%-0.433316%-0.164008%-0.469530%-0.056884%-0.597324%0.60%0.433316%0.469530%0.433316%0.43%1,1062.061%2.06%-0.418717%-0.134188%-0.534885%-0.040654%-0.552905%0.55%0.418717%0.534885%0.418717%0.42%1,5642.915%2.91%-0.503206%-0.604325%-0.042815%-0.503206%0.50%0.503206%0.163076%0.604325%0.666281%0.67%1,2552.339%2.34%-0.650440%-0.651709%-0.040054%-0.650440%0.65%0.650440%0.091695%0.651709%0.742135%0.74%3,7366.963%6.96%-0.686223%-0.695837%-0.024594%-0.686223%0.69%0.686223%0.014537%0.695837%0.700760%0.70%3,7216.935%6.93%-0.753317%-0.062994%-0.661607%-0.012616%-0.816311%0.82%0.753317%0.661607%0.753317%0.75%4,2117.848%7.85%-0.647458%-0.079767%-0.650601%-0.003975%-0.727225%0.73%0.647458%0.650601%0.647458%0.65%3,6886.873%6.87%-0.614284%-0.647538%-0.002309%-0.614284%0.61%0.614284%0.050693%0.647538%0.664977%0.66%3,4326.396%6.40%-0.553526%-0.016028%-0.690067%-0.569554%0.57%0.553526%0.690067%0.002213%0.553526%0.55%3,0135.615%5.62%-0.464440%-0.685705%-0.464440%0.46%0.464440%0.079022%0.685705%0.016743%0.543462%0.54%2,7045.040%5.04%-0.464689%-0.678707%-0.464689%0.46%0.464689%0.077034%0.678707%0.025737%0.541723%0.54%1,6203.019%3.02%-0.676532%-0.706227%-0.676532%0.68%0.676532%0.577755%0.706227%0.013204%1.254287%1.25%1,0361.931%1.93%-0.626211%-0.041002%-0.686439%-0.667213%0.67%0.626211%0.686439%0.037349%0.626211%0.63%6941.293%1.29%-0.638326%-0.078276%-0.653455%-0.716602%0.72%0.638326%0.653455%0.035470%0.638326%0.64%1,4542.710%2.71%-0.780901%-0.661483%-0.780901%0.78%0.780901%0.141022%0.661483%0.027369%0.921922%0.92%2,7415.108%5.11%-0.866259%-0.649229%-0.866259%0.87%0.866259%0.030565%0.649229%0.024833%0.896824%0.90%4,7308.815%8.82%-0.659758%-0.631827%-0.659758%0.66%0.659758%0.026092%0.631827%0.027192%0.685851%0.69%3,6106.728%6.73%-0.568809%-0.601994%-0.568809%0.57%0.568809%0.029447%0.601994%0.025741%0.598256%0.60%3,1315.835%5.84%
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 Boone County
More Females More Males
Illinois
Boone County
100%50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-44.827586%-108.533512%-44.827586%44.8%0.6900.6959.155%59.2%40.845%40.8%-5.241935%-47.558421%-5.241935%5.2%0.9500.9551.277%51.3%48.723%48.7%-67.716535%-32.775021%-67.716535%67.7%0.5960.6062.647%62.6%37.353%37.4%-19.719383%4.926625%4.926625%4.9%1.0491.0548.798%48.8%51.202%51.2%-23.328149%-14.280841%-23.328149%23.3%0.8110.8155.223%55.2%44.777%44.8%-37.849462%-12.115010%-37.849462%37.8%0.7250.7357.957%58.0%42.043%42.0%-32.047478%-7.600436%-32.047478%32.0%0.7570.7656.905%56.9%43.095%43.1%-7.084825%32.407407%32.407407%32.4%1.3241.3243.028%43.0%56.972%57.0%-6.145977%14.097421%14.097421%14.1%1.1411.1446.708%46.7%53.292%53.3%-3.534511%2.118414%2.118414%2.1%1.0211.0249.476%49.5%50.524%50.5%-8.362197%-1.906910%-8.362197%8.4%0.9230.9252.007%52.0%47.993%48.0%-12.320092%-0.610908%-12.320092%12.3%0.8900.8952.901%52.9%47.099%47.1%-0.356647%8.252427%8.252427%8.3%1.0831.0848.019%48.0%51.981%52.0%-2.895623%-2.895623%2.9%0.320685%0.9720.9750.714%50.7%49.286%49.3%17.014446%2.441770%17.014446%17.0%1.1701.1746.080%46.1%53.920%53.9%16.577540%3.792094%16.577540%16.6%1.1661.1746.173%46.2%53.827%53.8%85.399449%1.869725%85.399449%85.4%1.8541.8535.039%35.0%64.961%65.0%-6.547619%-6.547619%6.5%5.441005%0.9390.9451.585%51.6%48.415%48.4%-12.262774%-12.262774%12.3%5.428078%0.8910.8952.889%52.9%47.111%47.1%18.058870%4.137471%18.058870%18.1%1.1811.1845.859%45.9%54.141%54.1%3.528399%3.824931%3.528399%3.5%1.0351.0449.133%49.1%50.867%50.9%3.954802%4.303673%3.954802%4.0%1.0401.0449.030%49.0%50.970%51.0%5.176933%4.276016%5.176933%5.2%1.0521.0548.738%48.7%51.262%51.3%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by County Subdivision in Boone County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
5%11%16%21%26%31%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%1.8%3.5%5.3%7.1%8.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
3.4%5.3%7.2%9.1%11.0%13.0%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.7%9.1%11.5%13.9%16.3%18.7%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
8.9%10.9%12.9%14.8%16.8%18.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
12.0%14.7%17.4%20.0%22.7%25.4%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
5.3%8.4%11.5%14.5%17.6%20.6%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
2.5%4.8%7.0%9.2%11.4%13.7%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%2.0%3.9%5.9%7.9%9.9%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Map of Age Cohorts by Tract in Boone County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
21.8%23.6%25.4%27.2%28.9%30.7%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
4.2%4.9%5.6%6.3%7.0%7.7%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.0%6.3%7.5%8.6%9.8%11.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
8.6%9.8%10.9%12.1%13.2%14.4%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
10.4%12.2%14.0%15.8%17.6%19.4%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
9.6%11.4%13.2%14.9%16.7%18.5%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
7.7%9.0%10.3%11.6%12.8%14.2%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.3%3.7%5.0%6.3%7.6%8.9%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.9%2.0%2.9%3.9%4.9%6.0%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Map of Age Cohorts by Block Group in Boone County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
4%12%18%25%32%39%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%6%11%17%23%29%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
2.2%4.7%7.2%9.7%12.2%14.7%

30s Age Cohorts by Block Group#26

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

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
1.5%5.9%10.3%14.7%19.1%23.6%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
3.7%8.5%13.2%17.9%22.6%27.4%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
2.8%6.4%10.1%13.7%17.3%21.0%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.5%2.5%4.5%6.4%8.4%10.4%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%1.7%3.4%5.1%6.8%8.5%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Age Cohorts by Place in Boone County

There are 9 places that are fully or partially contained within Boone County (7 fully and 2 partially). This section compares all 9 of those to each other, Boone County, and other entities that contain or substantially overlap with Boone County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Boone County, selected places in Boone County, and entities that contain Boone County
0%10%20%30%Count#TimberlaneCapronPoplar GroveCaledoniaBelvidereBoone CountyBooneLoves ParkCandlewick LakeCandlewick LkRockford Metro AreaRockford AreaIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralCherry ValleyGarden PrairieGdn Prairie32.649071%32.649071%32.6%334130.406852%30.406852%30.4%568229.695431%29.695431%29.7%1,404328.879310%28.879310%28.9%67427.743083%27.743083%27.7%7,019526.487252%26.487252%26.5%14,21214.2k24.805094%24.805094%24.8%6,077624.623332%24.623332%24.6%1,144724.338203%24.338203%24.3%83,37183.4k23.270328%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%10,741,74210.7M13.678492%13.678492%13.7%42883.825137%3.825137%3.8%79
Count number of children
# rank of place out of 9 by %

Age Cohorts by County Subdivision in Boone County

There are 9 county subdivisions in Boone County. This section compares all 9 of those to each other, Boone County, and other entities that contain or substantially overlap with Boone County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Boone County, selected county subdivisions in Boone County, and entities that contain Boone County
0%10%20%30%Count#Caledonia TownshipCaledoniaPoplar Grove TownshipPoplar GrvBonus TownshipBonusBoone TownshipBooneBoone CountyBooneBelvidere TownshipBelvidereRockford Metro AreaRockford AreaIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralFlora TownshipFloraLeRoy TownshipLeRoyManchester TownshipManchesterSpring TownshipSpg30.891892%30.891892%30.9%2,286130.497844%30.497844%30.5%1,556228.644620%28.644620%28.6%1,230327.510917%27.510917%27.5%693426.487252%26.487252%26.5%14,21214.2k25.505271%25.505271%25.5%7,597524.338203%24.338203%24.3%83,37183.4k23.270328%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%10,741,74210.7M21.939477%21.939477%21.9%638619.108280%19.108280%19.1%60715.462611%15.462611%15.5%12285.514706%5.514706%5.5%309
Count number of children
# rank of county subdivision out of 9 by %

Age Cohorts by County in the Rockford Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Boone County, selected other counties in the Rockford Area, and entities that contain Boone County
0%5%10%15%20%25%Count#Boone CountyBooneRockford Metro AreaRockford AreaWinnebago CountyWinnebagoIllinoisMidwestUnited States of AmericaUnited StatesEast North Central26.487252%26.487252%26.5%14,21214.2k124.338203%24.338203%24.3%83,37183.4k23.939065%23.939065%23.9%69,15969.2k223.270328%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%10,741,74210.7M
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 Boone County to the 50 most populous counties in Illinois and to those entities that contain or substantially overlap with Boone 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 Boone County, selected other counties in Illinois, and entities that contain Boone County
0%10%20%Count#Kendall CountyKendallKane CountyKaneWill CountyWillBoone CountyBooneGrundy CountyGrundyLake CountyLakeMcHenry CountyMcHenryWoodford CountyWoodfordRockford Metro AreaRockford AreaKankakee 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 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%9,779824.338203%24.338203%24.3%83,37183.4k24.139632%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%10,07210.1k3721.374610%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 Boone County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Boone 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 Boone County, selected other counties in the United States, and entities that contain Boone County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasBoone CountyBooneRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoRockford Metro AreaRockford AreaWayne 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 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%676,745677k626.487252%26.487252%26.5%14,21214.2k26.401700%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%360,897361k1424.338203%24.338203%24.3%83,37183.4k24.179435%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%271,499271k4221.443331%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

Cities:
Belvidere, Loves Park
Townships:
Belvidere, Bonus, Boone, Caledonia, Flora, LeRoy, Manchester, Poplar Grove, Spring
Unincorporated Places:
Candlewick Lake, Garden Prairie
Villages:
Caledonia, Capron, Cherry Valley, Poplar Grove, Timberlane
ZIP Codes:
60033, 60135, 60145, 60146, 61008, 61011, 61012, 61016, 61038, 61065, 61073, 61080, 61107, 61111, 61114
Unified School Districts:
Belvidere 100, Harvard 50, Hiawatha 426, North Boone 200, Rockford 205
Elementary School District:
Kinnikinnick 131
Secondary School District:
Hononegah 207
Congressional District:
IL-16
State Senate District:
IL-35
State House Districts:
IL-69, IL-70
Neighboring Counties:
DeKalb, McHenry, Ogle, Rock, Walworth, Winnebago
Nearby Counties:
Dane, DuPage, Green, Jefferson, Kane, Kendall, Lee, Stephenson, Waukesha