Age and Sex in Rock County, Wisconsin (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Wisconsin.
Scope: population of Wisconsin, Rock County, and other counties in Wisconsin
Rock County
Wisconsin
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43,2582.024%2.02%3,1531.959%1.96%4,3592.708%2.71%5,6333.499%3.50%4,5422.821%2.82%3,2562.023%2.02%5,6043.481%3.48%4,1762.594%2.59%11,63611.6k7.228%7.23%11,92811.9k7.409%7.41%10,96111.0k6.809%6.81%10,28110.3k6.386%6.39%9,8066.091%6.09%10,37910.4k6.447%6.45%9,3805.827%5.83%6,6294.118%4.12%1,6521.026%1.03%2,0111.249%1.25%3,8672.402%2.40%6,7464.190%4.19%10,84910.8k6.739%6.74%11,04111.0k6.858%6.86%9,8396.112%6.11%
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 Wisconsin and Rock County
Female Male
Wisconsin
Rock County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.182832%-0.051920%-0.188817%-0.044825%-0.234751%0.23%0.182832%0.188817%0.182832%0.18%24,20124.2k15.033%15.0%-0.667586%-0.021120%-0.674358%-0.001995%-0.688706%0.69%0.667586%0.674358%0.667586%0.67%54,58654.6k33.907%33.9%-0.615167%-0.018704%-0.619838%-0.633872%0.63%0.615167%0.619838%0.023301%0.615167%0.62%36,19436.2k22.483%22.5%-0.525512%-0.696840%-0.525512%0.53%0.525512%0.118333%0.696840%0.024879%0.643845%0.64%7,5304.677%4.68%-0.645329%-0.614132%-0.645329%0.65%0.645329%0.037098%0.614132%0.028174%0.682426%0.68%38,47538.5k23.900%23.9%
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 Wisconsin and Rock County
Female Male
Wisconsin
Rock County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.041424%-0.043637%-0.046413%-0.044468%-0.085062%0.09%0.041424%0.046413%0.041424%0.04%3,2582.024%2.02%-0.165108%-0.061496%-0.168055%-0.064704%-0.226604%0.23%0.165108%0.168055%0.165108%0.17%3,1531.959%1.96%-0.241387%-0.058763%-0.232161%-0.052874%-0.300150%0.30%0.241387%0.232161%0.241387%0.24%4,3592.708%2.71%-0.310834%-0.078143%-0.328939%-0.043984%-0.388978%0.39%0.310834%0.328939%0.310834%0.31%5,6333.499%3.50%-0.460703%-0.019049%-0.439847%-0.023123%-0.479752%0.48%0.460703%0.439847%0.460703%0.46%4,5422.821%2.82%-0.475197%-0.060875%-0.544737%-0.012520%-0.536071%0.54%0.475197%0.544737%0.475197%0.48%3,2562.023%2.02%-0.568165%-0.598619%-0.015882%-0.568165%0.57%0.568165%0.024019%0.598619%0.592184%0.59%5,6043.481%3.48%-0.644777%-0.662439%-0.644777%0.64%0.644777%0.007454%0.662439%0.003371%0.652231%0.65%4,1762.594%2.59%-0.696582%-0.052427%-0.720157%-0.009981%-0.749009%0.75%0.696582%0.720157%0.696582%0.70%11,63611.6k7.228%7.23%-0.730747%-0.020374%-0.745792%-0.007562%-0.751121%0.75%0.730747%0.745792%0.730747%0.73%11,92811.9k7.409%7.41%-0.671611%-0.018511%-0.665924%-0.690122%0.69%0.671611%0.665924%0.002825%0.671611%0.67%10,96111.0k6.809%6.81%-0.622787%-0.031680%-0.598669%-0.654467%0.65%0.622787%0.598669%0.012925%0.622787%0.62%10,28110.3k6.386%6.39%-0.598561%-0.590168%-0.598561%0.60%0.598561%0.021120%0.590168%0.014631%0.619681%0.62%9,8066.091%6.09%-0.636701%-0.016026%-0.634448%-0.652728%0.65%0.636701%0.634448%0.019208%0.636701%0.64%10,37910.4k6.447%6.45%-0.577814%-0.009690%-0.607507%-0.587505%0.59%0.577814%0.607507%0.030163%0.577814%0.58%9,3805.827%5.83%-0.634010%-0.104564%-0.665491%-0.738574%0.74%0.634010%0.665491%0.033138%0.634010%0.63%6,6294.118%4.12%-0.509982%-0.716029%-0.509982%0.51%0.509982%0.006212%0.716029%0.014388%0.516194%0.52%1,6521.026%1.03%-0.471470%-0.711737%-0.471470%0.47%0.471470%0.306238%0.711737%0.034910%0.777707%0.78%2,0111.249%1.25%-0.560297%-0.679798%-0.560297%0.56%0.560297%0.080442%0.679798%0.025109%0.640739%0.64%3,8672.402%2.40%-0.680390%-0.638117%-0.680390%0.68%0.680390%0.036028%0.638117%0.028052%0.716418%0.72%6,7464.190%4.19%-0.645025%-0.624425%-0.645025%0.65%0.645025%0.057769%0.624425%0.039372%0.702794%0.70%10,84910.8k6.739%6.74%-0.681923%-0.626006%-0.681923%0.68%0.681923%0.007827%0.626006%0.017637%0.689749%0.69%11,04111.0k6.858%6.86%-0.588001%-0.577574%-0.588001%0.59%0.588001%0.046339%0.577574%0.027584%0.634341%0.63%9,8396.112%6.11%
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 Wisconsin and Rock County
More Females More Males
Wisconsin
Rock County
100%50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-105.342081%-95.809154%-105.342081%105.3%0.4870.4967.250%67.2%32.750%32.8%-37.246050%-38.501944%-37.246050%37.2%0.7290.7357.850%57.8%42.150%42.2%-24.343798%-22.774767%-24.343798%24.3%0.8040.8055.426%55.4%44.574%44.6%-25.139888%-13.371509%-25.139888%25.1%0.7990.8055.583%55.6%44.417%44.4%-4.134831%-5.256989%-4.134831%4.1%0.9600.9651.013%51.0%48.987%49.0%-12.810458%-2.298356%-12.810458%12.8%0.8860.8953.010%53.0%46.990%47.0%-2.653172%4.227405%4.227405%4.2%1.0421.0448.965%49.0%51.035%51.0%1.156069%0.508893%1.156069%1.2%1.0121.0149.713%49.7%50.287%50.3%-7.526306%-1.385980%-7.526306%7.5%0.9300.9351.813%51.8%48.187%48.2%-2.788167%-1.014008%-2.788167%2.8%0.9730.9750.687%50.7%49.313%49.3%-2.756197%-2.756197%2.8%0.424293%0.9730.9750.680%50.7%49.320%49.3%-5.086774%-5.086774%5.1%2.158933%0.9520.9551.240%51.2%48.760%48.8%3.528435%2.479169%3.528435%3.5%1.0351.0449.133%49.1%50.867%50.9%-2.517073%-2.517073%2.5%3.027564%0.9750.9850.621%50.6%49.379%49.4%-1.677059%-1.677059%1.7%4.964989%0.9840.9850.416%50.4%49.584%49.6%-16.492489%-16.492489%16.5%4.979416%0.8580.8653.809%53.8%46.191%46.2%1.218027%2.009416%1.218027%1.2%1.0121.0149.697%49.7%50.303%50.3%64.953887%4.904905%64.953887%65.0%1.6501.6537.742%37.7%62.258%62.3%14.356984%3.693668%14.356984%14.4%1.1441.1446.651%46.7%53.349%53.3%5.295192%4.396053%5.295192%5.3%1.0531.0548.710%48.7%51.290%51.3%8.956086%6.305379%8.956086%9.0%1.0901.0947.857%47.9%52.143%52.1%1.147750%2.817457%1.147750%1.1%1.0111.0149.715%49.7%50.285%50.3%7.880837%4.775830%7.880837%7.9%1.0791.0848.104%48.1%51.896%51.9%
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 County

Children Age Cohorts by County Subdivision#5

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

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%1.4%2.9%4.3%5.8%7.3%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%2.5%5.0%7.5%10.1%12.6%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0.0%3.8%7.7%11.5%15.3%19.2%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0.0%3.8%7.7%11.5%15.4%19.3%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
0.0%4.8%9.6%14.5%19.3%24.2%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
6.4%10.4%14.4%18.3%22.3%26.3%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
2.4%4.4%6.3%8.2%10.1%12.1%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1%16%29%43%57%72%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Rock County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
8%13%18%23%29%34%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1%12%22%33%43%54%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
3.7%6.8%10.0%13.1%16.2%19.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
5.1%8.1%11.0%13.9%16.8%19.7%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
5.0%7.6%10.2%12.7%15.3%17.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
7.5%10.3%13.1%15.9%18.7%21.6%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
3.9%6.8%9.6%12.4%15.2%18.0%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.3%3.9%5.4%7.0%8.5%10.1%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.6%2.3%3.9%5.6%7.3%9.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Rock County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
2%10%18%25%33%41%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%14%28%42%56%71%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1.5%6.4%11.3%16.2%21.0%26.0%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
1.7%6.2%10.6%15.0%19.4%23.9%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
2.9%6.8%10.6%14.4%18.3%22.2%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%6%12%18%24%31%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
2%9%15%22%28%35%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.6%7.3%10.9%14.6%18.3%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%2.7%5.4%8.1%10.8%13.5%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Rock County

There are 10 places that are fully or partially contained within Rock County (8 fully and 2 partially). This section compares all 10 of those to each other, Rock County, and other entities that contain or substantially overlap with Rock County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Rock County, selected places in Rock County, and entities that contain Rock County
0%10%20%Count#EvansvilleHanoverBeloitMiltonJanesville and Beloit Metro AreaJanesvilleRock CountyRockOrfordvilleJanesvilleMidwestUnited States of AmericaUnited StatesEast North CentralWisconsinClintonBrodheadEdgertonFootville28.477589%28.477589%28.5%1,474127.683616%27.683616%27.7%49226.431598%26.431598%26.4%9,730326.193039%26.193039%26.2%1,460423.899594%23.899594%23.9%38,47538.5k23.899594%23.899594%23.9%38,47538.5k23.569794%23.569794%23.6%309523.569192%23.569192%23.6%15,05615.1k623.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.615876%22.615876%22.6%1,301,4981.30M22.438803%22.438803%22.4%495722.054836%22.054836%22.1%732821.714598%21.714598%21.7%1,193914.763231%14.763231%14.8%10610
Count number of children
# rank of place out of 10 by %

Age Cohorts by County Subdivision in Rock County

There are 29 county subdivisions in Rock County. This section compares all 29 of those to each other, Rock County, and other entities that contain or substantially overlap with Rock County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Rock County, selected county subdivisions in Rock County, and entities that contain Rock County
0%10%20%Count#Town of RockEvansvilleTown of UnionTown of BradfordBradfordBeloitTown of ClintonClintonMiltonTown of PlymouthPlymouthJanesville and Beloit Metro AreaJanesvilleRock CountyRockOrfordvilleJanesvilleMidwestTown of LimaUnited States of AmericaUnited StatesEast North CentralTown of JanesvilleJanesvilleWisconsinClintonTown of HarmonyHarmonyEdgertonTown of BeloitBeloitTown of TurtleTurtleTown of NewarkNewarkTown of MiltonMiltonTown of Spring ValleySpg VlyTown of CenterCtrTown of MagnoliaMagnoliaTown of PorterPorterTown of FultonFultonTown of AvonFootvilleTown of JohnstownJohnstownTown of La PrairieLa PrairieBrodhead28.648136%28.648136%28.6%907128.477589%28.477589%28.5%1,474227.326316%27.326316%27.3%649327.089073%27.089073%27.1%295426.431598%26.431598%26.4%9,730526.392252%26.392252%26.4%218626.193039%26.193039%26.2%1,460725.419847%25.419847%25.4%333823.899594%23.899594%23.9%38,47538.5k23.899594%23.899594%23.9%38,47538.5k23.569794%23.569794%23.6%309923.569192%23.569192%23.6%15,05615.1k1023.217458%23.217458%23.2%15,712,75815.7M23.159636%23.159636%23.2%2801123.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.811060%22.811060%22.8%7921222.615876%22.615876%22.6%1,301,4981.30M22.438803%22.438803%22.4%4951322.023346%22.023346%22.0%5661421.958402%21.958402%22.0%1,1931520.934188%20.934188%20.9%1,6001620.898516%20.898516%20.9%5211720.597584%20.597584%20.6%3241820.453031%20.453031%20.5%6141920.324190%20.324190%20.3%1632019.479267%19.479267%19.5%2022118.741809%18.741809%18.7%1432218.518519%18.518519%18.5%1902316.555488%16.555488%16.6%5462415.209125%15.209125%15.2%802514.763231%14.763231%14.8%1062614.622057%14.622057%14.6%1182714.471969%14.471969%14.5%111280.000000%0.000000%0.0%029
Count number of children
# rank of county subdivision out of 29 by %

Age Cohorts by County in Wisconsin

There are 72 counties in Wisconsin. This section compares Rock County to the 50 most populous counties in Wisconsin and to those entities that contain or substantially overlap with Rock County. The least populous of the compared counties has a population of 20,566.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Rock County, selected other counties in Wisconsin, and entities that contain Rock County
0%10%20%Count#Clark CountyClarkSt. Croix CountySt. CroixVernon CountyVernonMonroe CountyMonroeCalumet CountyCalumetMilwaukee CountyMilwaukeeBrown CountyBrownTrempealeau CountyTrempealeauKenosha CountyKenoshaOutagamie CountyOutagamieJanesville and Beloit Metro AreaJanesvilleRock CountyRockRacine CountyRacineIowa CountyIowaMarathon CountyMarathonMidwestUnited States of AmericaUnited StatesWashington CountyWashingtonSauk CountySaukEast North CentralGreen CountyGreenChippewa CountyChippewaSheboygan CountySheboyganWisconsinWaukesha CountyWaukeshaColumbia CountyColumbiaJefferson CountyJeffersonJackson CountyJacksonOzaukee CountyOzaukeeWalworth CountyWalworthFond du Lac CountyFond du LacPolk CountyPolkWood CountyWoodShawano CountyShawanoBarron CountyBarronWaupaca CountyWaupacaManitowoc CountyManitowocPierce CountyPierceDodge CountyDodgeDane CountyDaneWinnebago CountyWinnebagoOconto CountyOcontoDouglas CountyDouglasEau Claire CountyEau ClaireGrant CountyGrantLa Crosse CountyLa CrosseJuneau CountyJuneauDunn CountyDunnPortage CountyPortageLincoln CountyLincolnMarinette CountyMarinetteWaushara CountyWausharaOneida CountyOneidaVilas CountyVilasDoor CountyDoor29.432233%29.432233%29.4%10,15010.2k126.069460%26.069460%26.1%22,60922.6k225.977268%25.977268%26.0%7,908325.513061%25.513061%25.5%11,57411.6k425.438543%25.438543%25.4%12,63112.6k524.468076%24.468076%24.5%233,745234k624.324198%24.324198%24.3%62,42162.4k724.294570%24.294570%24.3%7,172824.216777%24.216777%24.2%40,65940.7k924.186602%24.186602%24.2%43,97144.0k1023.899594%23.899594%23.9%38,47538.5k23.899594%23.899594%23.9%38,47538.5k1123.888379%23.888379%23.9%46,55246.6k1223.510589%23.510589%23.5%5,5841323.425207%23.425207%23.4%31,71031.7k1423.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.076404%23.076404%23.1%30,78930.8k1523.075951%23.075951%23.1%14,61114.6k1623.005234%23.005234%23.0%10,741,74210.7M22.977058%22.977058%23.0%8,5131722.904270%22.904270%22.9%14,51114.5k1822.843956%22.843956%22.8%26,33226.3k1922.615876%22.615876%22.6%1,301,4981.30M22.404439%22.404439%22.4%88,58288.6k2022.356575%22.356575%22.4%12,66512.7k2122.347347%22.347347%22.3%18,89218.9k2222.337839%22.337839%22.3%4,5942322.081598%22.081598%22.1%19,34919.3k2422.007164%22.007164%22.0%22,67222.7k2522.003962%22.003962%22.0%22,43722.4k2621.990203%21.990203%22.0%9,5622721.882343%21.882343%21.9%16,11016.1k2821.853857%21.853857%21.9%9,0442921.621147%21.621147%21.6%9,8483021.258706%21.258706%21.3%11,04911.0k3121.177879%21.177879%21.2%16,98017.0k3221.176096%21.176096%21.2%8,6573321.166463%21.166463%21.2%18,71218.7k3421.130843%21.130843%21.1%109,208109k3520.923729%20.923729%20.9%35,46335.5k3620.699133%20.699133%20.7%7,7573720.537696%20.537696%20.5%8,9763820.529502%20.529502%20.5%20,92120.9k3920.449317%20.449317%20.4%10,57710.6k4020.363627%20.363627%20.4%23,93523.9k4120.349256%20.349256%20.3%5,3724219.917471%19.917471%19.9%8,8334319.720486%19.720486%19.7%13,91313.9k4419.715310%19.715310%19.7%5,5544519.454855%19.454855%19.5%7,9944618.842314%18.842314%18.8%4,5674717.351983%17.351983%17.4%6,1784816.862396%16.862396%16.9%3,6044916.599805%16.599805%16.6%4,59350
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 County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Rock County. The least populous of the compared counties has a population of 941,618.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Rock County, selected other counties in the United States, and entities that contain Rock 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 CountyFairfaxJanesville and Beloit Metro AreaJanesvilleRock CountyRockClark CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsMidwestHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeEast North CentralWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookWisconsinSt. 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%271,704272k1623.899594%23.899594%23.9%38,47538.5k23.899594%23.899594%23.9%38,47538.5k23.862053%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%608,369608k2223.217458%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%1,186,3981.19M3122.615876%22.615876%22.6%1,301,4981.30M22.432138%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

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More Maps to Explore

Principal Cities:
Janesville, Beloit
Cities:
Beloit, Brodhead, Edgerton, Evansville, Janesville, Milton
Towns:
Avon, Beloit, Bradford, Center, Clinton, Fulton, Harmony, Janesville, Johnstown, La Prairie, Lima, Magnolia, Milton, Newark, Plymouth, Porter, Rock, Spring Valley, Turtle, Union
Unincorporated Places:
Hanover
Villages:
Clinton, Footville, Orfordville
ZIP Codes:
53114, 53190, 53501, 53505, 53511, 53520, 53521, 53525, 53534, 53536, 53537, 53538, 53545, 53546, 53548, 53563, 53576, 53585, 53589
Unified School Districts:
Albany, Beloit, Beloit Turner, Brodhead, Clinton, Delavan-Darien, Edgerton, Evansville, Fort Atkinson, Janesville, Milton, Oregon, Parkview, Stoughton, Whitewater
Congressional Districts:
WI-1, WI-2
State Senate Districts:
WI-11, WI-15
Assembly Districts:
WI-31, WI-43, WI-44, WI-45
Neighboring Counties:
Boone, Dane, Green, Jefferson, Walworth, Winnebago
Nearby Counties:
Carroll, Columbia, DeKalb, Dodge, Kane, McHenry, Ogle, Stephenson, Waukesha