Age and Sex in McHenry 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, McHenry County, and other counties in Illinois
McHenry County
Illinois
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-44,1811.362%1.36%3,5731.164%1.16%6,3352.063%2.06%9,4193.067%3.07%7,2392.357%2.36%6,5902.146%2.15%10,03110.0k3.267%3.27%8,1302.647%2.65%22,52522.5k7.335%7.34%26,18726.2k8.528%8.53%25,12225.1k8.181%8.18%22,56822.6k7.349%7.35%18,61918.6k6.063%6.06%17,73817.7k5.776%5.78%15,59015.6k5.077%5.08%10,92910.9k3.559%3.56%3,8381.250%1.25%3,5841.167%1.17%7,9782.598%2.60%14,88314.9k4.847%4.85%23,75123.8k7.734%7.73%20,95921.0k6.825%6.83%17,31417.3k5.638%5.64%
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 McHenry County
Female Male
Illinois
McHenry County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.152411%-0.032917%-0.165938%-0.053741%-0.185328%0.19%0.152411%0.165938%0.152411%0.15%37,33737.3k12.159%12.2%-0.744046%-0.004181%-0.644483%-0.024551%-0.748228%0.75%0.744046%0.644483%0.744046%0.74%114,563115k37.307%37.3%-0.567310%-0.002895%-0.675790%-0.570204%0.57%0.567310%0.675790%0.008914%0.567310%0.57%62,87662.9k20.475%20.5%-0.585428%-0.674894%-0.585428%0.59%0.585428%0.082877%0.674894%0.030373%0.668305%0.67%15,40015.4k5.015%5.01%-0.677938%-0.633316%-0.677938%0.68%0.677938%0.035477%0.633316%0.026163%0.713416%0.71%76,90776.9k25.044%25.0%
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 McHenry County
Female Male
Illinois
McHenry County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.025665%-0.033765%-0.039174%-0.042517%-0.059430%0.06%0.025665%0.039174%0.025665%0.03%4,1811.362%1.36%-0.099387%-0.033932%-0.144845%-0.068886%-0.133319%0.13%0.099387%0.144845%0.099387%0.10%3,5731.164%1.16%-0.191414%-0.029764%-0.203849%-0.066811%-0.221178%0.22%0.191414%0.203849%0.191414%0.19%6,3352.063%2.06%-0.302068%-0.009313%-0.300244%-0.059206%-0.311382%0.31%0.302068%0.300244%0.302068%0.30%9,4193.067%3.07%-0.365699%-0.054383%-0.387742%-0.055373%-0.420082%0.42%0.365699%0.387742%0.365699%0.37%7,2392.357%2.36%-0.507355%-0.058290%-0.469530%-0.056884%-0.565645%0.57%0.507355%0.469530%0.507355%0.51%6,5902.146%2.15%-0.517775%-0.534885%-0.040654%-0.517775%0.52%0.517775%0.053297%0.534885%0.571073%0.57%10,03110.0k3.267%3.27%-0.611073%-0.101601%-0.604325%-0.042815%-0.712674%0.71%0.611073%0.604325%0.611073%0.61%8,1302.647%2.65%-0.730291%-0.006448%-0.651709%-0.040054%-0.736739%0.74%0.730291%0.651709%0.730291%0.73%22,52522.5k7.335%7.34%-0.850780%-0.003973%-0.695837%-0.024594%-0.854753%0.85%0.850780%0.695837%0.850780%0.85%26,18726.2k8.528%8.53%-0.805189%-0.025791%-0.661607%-0.012616%-0.830981%0.83%0.805189%0.661607%0.805189%0.81%25,12225.1k8.181%8.18%-0.722932%-0.650601%-0.003975%-0.722932%0.72%0.722932%0.023967%0.650601%0.746899%0.75%22,56822.6k7.349%7.35%-0.582448%-0.047740%-0.647538%-0.002309%-0.630188%0.63%0.582448%0.647538%0.582448%0.58%18,61918.6k6.063%6.06%-0.574959%-0.005341%-0.690067%-0.580299%0.58%0.574959%0.690067%0.002213%0.574959%0.57%17,73817.7k5.776%5.78%-0.487295%-0.685705%-0.487295%0.49%0.487295%0.040771%0.685705%0.016743%0.528066%0.53%15,59015.6k5.077%5.08%-0.591588%-0.678707%-0.591588%0.59%0.591588%0.003148%0.678707%0.025737%0.594736%0.59%10,92910.9k3.559%3.56%-0.617423%-0.014980%-0.706227%-0.632402%0.63%0.617423%0.706227%0.013204%0.617423%0.62%3,8381.250%1.25%-0.473162%-0.686439%-0.473162%0.47%0.473162%0.220787%0.686439%0.037349%0.693949%0.69%3,5841.167%1.17%-0.618074%-0.653455%-0.618074%0.62%0.618074%0.062849%0.653455%0.035470%0.680923%0.68%7,9782.598%2.60%-0.787518%-0.661483%-0.787518%0.79%0.787518%0.040489%0.661483%0.027369%0.828006%0.83%14,88314.9k4.847%4.85%-0.761423%-0.649229%-0.761423%0.76%0.761423%0.024033%0.649229%0.024833%0.785455%0.79%23,75123.8k7.734%7.73%-0.660668%-0.631827%-0.660668%0.66%0.660668%0.043702%0.631827%0.027192%0.704370%0.70%20,95921.0k6.825%6.83%-0.545976%-0.601994%-0.545976%0.55%0.545976%0.035691%0.601994%0.025741%0.581667%0.58%17,31417.3k5.638%5.64%
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 McHenry County
More Females More Males
Illinois
McHenry County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-131.562252%-108.533512%-131.562252%131.6%0.4320.4369.840%69.8%30.160%30.2%-34.141547%-47.558421%-34.141547%34.1%0.7450.7557.291%57.3%42.709%42.7%-15.549507%-32.775021%-15.549507%15.5%0.8650.8753.607%53.6%46.393%46.4%-3.083226%-19.719383%-3.083226%3.1%0.9700.9750.759%50.8%49.241%49.2%-14.870882%-14.280841%-14.870882%14.9%0.8710.8753.460%53.5%46.540%46.5%-11.489089%-12.115010%-11.489089%11.5%0.8970.9052.716%52.7%47.284%47.3%-7.600436%10.293501%10.293501%10.3%1.1031.1047.553%47.6%52.447%52.4%-16.626699%-7.084825%-16.626699%16.6%0.8570.8653.838%53.8%46.162%46.2%-0.882904%-6.145977%-0.882904%0.9%0.9910.9950.220%50.2%49.780%49.8%-0.466968%-3.534511%-0.466968%0.5%0.9951.0050.116%50.1%49.884%49.9%-3.203106%-1.906910%-3.203106%3.2%0.9690.9750.788%50.8%49.212%49.2%-0.610908%3.315315%3.315315%3.3%1.0331.0349.185%49.2%50.815%50.8%-8.196355%-0.356647%-8.196355%8.2%0.9240.9251.968%52.0%48.032%48.0%-0.928863%-0.928863%0.9%0.320685%0.9910.9950.231%50.2%49.769%49.8%8.366747%2.441770%8.366747%8.4%1.0841.0847.992%48.0%52.008%52.0%0.532110%3.792094%0.532110%0.5%1.0051.0149.867%49.9%50.133%50.1%-2.426160%-2.426160%2.4%1.869725%0.9760.9850.599%50.6%49.401%49.4%46.662078%5.441005%46.662078%46.7%1.4671.4740.541%40.5%59.459%59.5%10.168599%5.428078%10.168599%10.2%1.1021.1047.581%47.6%52.419%52.4%5.141282%4.137471%5.141282%5.1%1.0511.0548.747%48.7%51.253%51.3%3.156274%3.824931%3.156274%3.2%1.0321.0349.223%49.2%50.777%50.8%6.614748%4.303673%6.614748%6.6%1.0661.0748.399%48.4%51.601%51.6%6.537039%4.276016%6.537039%6.5%1.0651.0748.417%48.4%51.583%51.6%
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 McHenry County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
9.9%14.4%18.9%23.4%27.9%32.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.5%4.4%6.1%7.9%9.7%11.5%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
2.6%5.0%7.2%9.5%11.7%14.1%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
3.0%5.6%8.2%10.8%13.4%16.0%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
6.1%8.5%10.9%13.4%15.8%18.3%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
9.6%13.1%16.6%20.0%23.4%26.9%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.6%10.0%12.3%14.7%17.0%19.4%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
4.2%5.4%6.7%7.9%9.1%10.3%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.8%3.0%5.0%7.1%9.2%11.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in McHenry County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
17.5%20.8%24.0%27.2%30.5%33.7%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.9%3.8%4.6%5.5%6.3%7.2%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.2%7.7%11.1%14.5%17.9%21.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.2%9.7%12.1%14.6%17.0%19.5%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
9.3%12.1%14.8%17.5%20.1%22.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
8.3%11.2%14.0%16.8%19.7%22.6%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
4.2%6.6%8.9%11.2%13.6%16.0%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.4%4.0%6.7%9.3%11.9%14.6%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.6%2.1%3.6%5.1%6.5%8.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in McHenry County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
5%12%19%26%32%39%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%2.6%5.2%7.8%10.4%13.1%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.7%9.4%14.2%18.9%23.6%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%7%13%19%25%31%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%6%13%19%26%32%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
2%9%15%21%27%33%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
1%9%16%24%31%39%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%4.3%8.5%12.8%17.1%21.4%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%2.7%5.5%8.2%10.9%13.7%
Road Data ©OpenStreetMap

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Age Cohorts by Place in McHenry County

There are 32 places that are fully or partially contained within McHenry County (24 fully and 8 partially). This section compares all 32 of those to each other, McHenry County, and other entities that contain or substantially overlap with McHenry County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of McHenry County, selected places in McHenry County, and entities that contain McHenry County
0%10%20%30%40%Count#ChemungHarvardUnionLakewoodLake in the HillsLk in the HlsLakemoorRingwoodWoodstockCarySpring GroveMcCullom LakeWonder LakeMarengoAlgonquinMcHenry CountyMcHenryPort BarringtonBull ValleyFox River GroveFox Riv GrvCrystal LakeRichmondHebronPrairie GroveChicago, Naperville, and Elgin Metro AreaChicago AreaIsland LakeMcHenryIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralGreenwoodJohnsburgHuntleyHoliday HillsTrout ValleyPistakee HighlandsOakwood HillsFox LakeBarrington HillsBarrington Hls42.748092%42.748092%42.7%112133.747002%33.747002%33.7%3,236231.404959%31.404959%31.4%152330.333252%30.333252%30.3%1,247429.241041%29.241041%29.2%8,453529.082845%29.082845%29.1%1,836627.777778%27.777778%27.8%225726.684369%26.684369%26.7%6,733826.596456%26.596456%26.6%4,773926.245966%26.245966%26.2%1,4641025.914936%25.914936%25.9%2621125.862530%25.862530%25.9%9671225.454770%25.454770%25.5%2,0571325.403610%25.403610%25.4%7,7261425.044369%25.044369%25.0%76,90776.9k25.033557%25.033557%25.0%3731524.979390%24.979390%25.0%3031624.574865%24.574865%24.6%1,1851724.565781%24.565781%24.6%9,9431824.386654%24.386654%24.4%4971924.145963%24.145963%24.1%3112024.002347%24.002347%24.0%4092123.818290%23.818290%23.8%2,269,5012.27M23.676012%23.676012%23.7%1,9002223.480155%23.480155%23.5%6,2532323.270328%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%10,741,74210.7M22.588235%22.588235%22.6%962422.227526%22.227526%22.2%1,3972521.892300%21.892300%21.9%5,6552621.203438%21.203438%21.2%1482721.042831%21.042831%21.0%1132820.962305%20.962305%21.0%6842920.378251%20.378251%20.4%4313017.941346%17.941346%17.9%1,8723115.081142%15.081142%15.1%53932
Count number of children
# rank of place out of 32 by %

Age Cohorts by County Subdivision in McHenry County

There are 17 county subdivisions in McHenry County. This section compares all 17 of those to each other, McHenry County, and other entities that contain or substantially overlap with McHenry County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of McHenry County, selected county subdivisions in McHenry County, and entities that contain McHenry County
0%10%20%30%Count#Chemung TownshipChemungRiley TownshipRileyGrafton TownshipGraftonBurton TownshipBurtonDunham TownshipDunhamGreenwood TownshipGreenwoodHartland TownshipHartlandMcHenry CountyMcHenryDorr TownshipCoral TownshipCoralAlgonquin TownshipAlgonquinChicago, Naperville, and Elgin Metro AreaChicago AreaRichmond TownshipRichmondIllinoisMidwestUnited States of AmericaUnited StatesMcHenry TownshipMcHenryEast North CentralMarengo TownshipMarengoNunda TownshipNundaHebron TownshipHebronSeneca TownshipSenecaAlden TownshipAlden32.430011%32.430011%32.4%2,896131.062194%31.062194%31.1%889229.788566%29.788566%29.8%16,17416.2k328.754058%28.754058%28.8%1,417426.054054%26.054054%26.1%723525.252743%25.252743%25.3%3,522625.081131%25.081131%25.1%541725.044369%25.044369%25.0%76,90776.9k24.813637%24.813637%24.8%5,226824.633094%24.633094%24.6%856924.043747%24.043747%24.0%21,03921.0k1023.818290%23.818290%23.8%2,269,5012.27M23.509036%23.509036%23.5%1,5611123.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.011866%23.011866%23.0%10,80210.8k1223.005234%23.005234%23.0%10,741,74210.7M22.678186%22.678186%22.7%1,6801322.539279%22.539279%22.5%8,5071421.388286%21.388286%21.4%4931515.859938%15.859938%15.9%462169.924937%9.924937%9.9%11917
Count number of children
# rank of county subdivision out of 17 by %

Age Cohorts by County in the Chicago Area

There are 14 counties in the Chicago Area. This section compares McHenry County to all of the counties in the Chicago Area and to those entities that contain or substantially overlap with McHenry County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of McHenry County, selected other counties in the Chicago Area, and entities that contain McHenry County
0%10%20%Count#Kendall CountyKendallKane CountyKaneWill CountyWillGrundy CountyGrundyLake CountyLakeMcHenry CountyMcHenryLake CountyLakeJasper CountyJasperKenosha CountyKenoshaChicago, Naperville, and Elgin Metro AreaChicago AreaDuPage CountyDuPageIllinoisMidwestUnited States of AmericaUnited StatesEast North CentralPorter CountyPorterCook CountyCookNewton CountyNewtonDeKalb CountyDeKalb29.816718%29.816718%29.8%36,21336.2k127.145638%27.145638%27.1%142,953143k226.688338%26.688338%26.7%182,916183k325.888990%25.888990%25.9%13,03213.0k425.491471%25.491471%25.5%179,177179k525.044369%25.044369%25.0%76,90776.9k624.505512%24.505512%24.5%120,003120k724.428439%24.428439%24.4%8,174824.216777%24.216777%24.2%40,65940.7k923.818290%23.818290%23.8%2,269,5012.27M23.510769%23.510769%23.5%218,771219k1023.270328%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%10,741,74210.7M22.950496%22.950496%23.0%38,33138.3k1122.694997%22.694997%22.7%1,186,3981.19M1222.072458%22.072458%22.1%3,0951321.895882%21.895882%21.9%22,87222.9k14
Count number of children
# rank of county out of 14 by %

Age Cohorts by County in Illinois

There are 102 counties in Illinois. This section compares McHenry County to the 50 most populous counties in Illinois and to those entities that contain or substantially overlap with McHenry 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 McHenry County, selected other counties in Illinois, and entities that contain McHenry County
0%10%20%Count#Kendall CountyKendallKane CountyKaneWill CountyWillBoone CountyBooneGrundy CountyGrundyLake CountyLakeMcHenry CountyMcHenryWoodford CountyWoodfordKankakee CountyKankakeeSt. Clair CountySt. ClairVermilion CountyVermilionWinnebago CountyWinnebagoPeoria CountyPeoriaChicago, Naperville, and Elgin Metro AreaChicago AreaEffingham 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%9,779824.139632%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%44,66544.7k1323.818290%23.818290%23.8%2,269,5012.27M23.786238%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 McHenry County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with McHenry 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 McHenry County, selected other counties in the United States, and entities that contain McHenry County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMcHenry CountyMcHenryMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkChicago, Naperville, and Elgin Metro AreaChicago AreaFranklin 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%676,745677k626.401700%26.401700%26.4%613,547614k726.219361%26.219361%26.2%487,339487k825.573137%25.573137%25.6%367,431367k925.044369%25.044369%25.0%76,90776.9k25.043628%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%493,981494k1723.818290%23.818290%23.8%2,269,5012.27M23.668593%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:
Crystal Lake, Harvard, Marengo, McHenry, Woodstock
Townships:
Alden, Algonquin, Burton, Chemung, Coral, Dorr, Dunham, Grafton, Greenwood, Hartland, Hebron, Marengo, McHenry, Nunda, Richmond, Riley, Seneca
Unincorporated Places:
Chemung, Pistakee Highlands
Villages:
Algonquin, Barrington Hills, Bull Valley, Cary, Fox Lake, Fox River Grove, Greenwood, Hebron, Holiday Hills, Huntley, Island Lake, Johnsburg, Lake in the Hills, Lakemoor, Lakewood, McCullom Lake, Oakwood Hills, Port Barrington, Prairie Grove, Richmond, Ringwood, Spring Grove, Trout Valley, Union, Wonder Lake
ZIP Codes:
60010, 60012, 60013, 60014, 60020, 60021, 60033, 60034, 60042, 60050, 60051, 60071, 60072, 60081, 60084, 60097, 60098, 60102, 60135, 60142, 60152, 60156, 60180, 61038
Unified School Districts:
Alden-Hebron 19, Barrington 220, Belvidere 100, 300, Harvard 50, Huntley District 158, Johnsburg 12, Wauconda 118, Woodstock 200
Elementary School Districts:
Cary 26, Crystal Lake 47, Fox River Grove 3, Harrison 36, Marengo-Union 165, McHenry 15, Nippersink 2, Prairie Grove 46, Riley 18
Secondary School Districts:
155, Marengo 154, McHenry 156, Richmond-Burton 157
Congressional Districts:
IL-6, IL-14
State Senate Districts:
IL-26, IL-32, IL-33
State House Districts:
IL-52, IL-63, IL-64, IL-65, IL-66
Neighboring Counties:
Boone, Cook, DeKalb, Kane, Kenosha, Lake, Walworth
Nearby Counties:
DuPage, Jefferson, Kendall, Lee, Ogle, Rock, Waukesha, Winnebago