Age and Sex in Colorado (State)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the states.
Scope: population of the United States, Colorado, and other states
Colorado
United States
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-478,16078.2k1.458%1.46%77,01577.0k1.437%1.44%113,623114k2.120%2.12%160,843161k3.001%3.00%136,032136k2.538%2.54%112,367112k2.097%2.10%181,223181k3.381%3.38%133,754134k2.496%2.50%356,419356k6.650%6.65%369,242369k6.890%6.89%349,296349k6.518%6.52%356,154356k6.646%6.65%368,212368k6.871%6.87%398,170398k7.430%7.43%399,840400k7.461%7.46%226,592227k4.228%4.23%78,28078.3k1.461%1.46%75,79675.8k1.414%1.41%142,096142k2.651%2.65%203,520204k3.798%3.80%351,831352k6.565%6.56%355,338355k6.630%6.63%335,492335k6.260%6.26%
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 the United States and Colorado
Female Male
United States
Colorado
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.159429%-0.032577%-0.177049%-0.048590%-0.192006%0.19%0.159429%0.177049%0.159429%0.16%678,040678k12.652%12.7%-0.649641%-0.003939%-0.639439%-0.027509%-0.653581%0.65%0.649641%0.639439%0.649641%0.65%1,746,0881.75M32.581%32.6%-0.698809%-0.662794%-0.698809%0.70%0.698809%0.046202%0.662794%0.011473%0.745011%0.75%1,392,8141.39M25.989%26.0%-0.656150%-0.690098%-0.656150%0.66%0.656150%0.069282%0.690098%0.036916%0.725431%0.73%296,172296k5.526%5.53%-0.631041%-0.627873%-0.631041%0.63%0.631041%0.029735%0.627873%0.028032%0.660776%0.66%1,246,1811.25M23.253%23.3%
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 the United States and Colorado
Female Male
United States
Colorado
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.031630%-0.027891%-0.040405%-0.038024%-0.059520%0.06%0.031630%0.040405%0.031630%0.03%78,16078.2k1.458%1.46%-0.120243%-0.046920%-0.151220%-0.063891%-0.167164%0.17%0.120243%0.151220%0.120243%0.12%77,01577.0k1.437%1.44%-0.194604%-0.034814%-0.220748%-0.056595%-0.229418%0.23%0.194604%0.220748%0.194604%0.19%113,623114k2.120%2.12%-0.282056%-0.036128%-0.319204%-0.054701%-0.318184%0.32%0.282056%0.319204%0.282056%0.28%160,843161k3.001%3.00%-0.408630%-0.028822%-0.421958%-0.052156%-0.437452%0.44%0.408630%0.421958%0.408630%0.41%136,032136k2.538%2.54%-0.511485%-0.025367%-0.502773%-0.054229%-0.536852%0.54%0.511485%0.502773%0.511485%0.51%112,367112k2.097%2.10%-0.552461%-0.022236%-0.541468%-0.051993%-0.574696%0.57%0.552461%0.541468%0.552461%0.55%181,223181k3.381%3.38%-0.614297%-0.019275%-0.599140%-0.045449%-0.633572%0.63%0.614297%0.599140%0.614297%0.61%133,754134k2.496%2.50%-0.648339%-0.033419%-0.647813%-0.041116%-0.681758%0.68%0.648339%0.647813%0.648339%0.65%356,419356k6.650%6.65%-0.682217%-0.013517%-0.688902%-0.025961%-0.695733%0.70%0.682217%0.688902%0.682217%0.68%369,242369k6.890%6.89%-0.647511%-0.655595%-0.013619%-0.647511%0.65%0.647511%0.008494%0.655595%0.656004%0.66%349,296349k6.518%6.52%-0.644656%-0.640349%-0.007471%-0.644656%0.64%0.644656%0.039796%0.640349%0.684452%0.68%356,154356k6.646%6.65%-0.670073%-0.626779%-0.004019%-0.670073%0.67%0.670073%0.033960%0.626779%0.704033%0.70%368,212368k6.871%6.87%-0.719972%-0.669173%-0.719972%0.72%0.719972%0.045961%0.669173%0.005514%0.765933%0.77%398,170398k7.430%7.43%-0.717822%-0.680581%-0.717822%0.72%0.717822%0.056493%0.680581%0.019624%0.774315%0.77%399,840400k7.461%7.46%-0.679741%-0.675846%-0.679741%0.68%0.679741%0.049857%0.675846%0.033642%0.729598%0.73%226,592227k4.228%4.23%-0.683784%-0.709599%-0.683784%0.68%0.683784%0.093072%0.709599%0.039633%0.776856%0.78%78,28078.3k1.461%1.46%-0.674174%-0.721323%-0.674174%0.67%0.674174%0.065942%0.721323%0.040945%0.740116%0.74%75,79675.8k1.414%1.41%-0.633320%-0.664734%-0.633320%0.63%0.633320%0.059056%0.664734%0.033543%0.692377%0.69%142,096142k2.651%2.65%-0.619970%-0.642594%-0.619970%0.62%0.619970%0.025899%0.642594%0.030383%0.645869%0.65%203,520204k3.798%3.80%-0.643872%-0.635182%-0.643872%0.64%0.643872%0.025231%0.635182%0.027016%0.669103%0.67%351,831352k6.565%6.56%-0.644283%-0.629799%-0.644283%0.64%0.644283%0.037497%0.629799%0.027976%0.681780%0.68%355,338355k6.630%6.63%-0.611610%-0.609806%-0.611610%0.61%0.611610%0.028780%0.609806%0.027693%0.640390%0.64%335,492335k6.260%6.26%
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 the United States and Colorado
More Females More Males
United States
Colorado
50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-88.179338%-94.107784%-88.179338%88.2%0.5310.5365.299%65.3%34.701%34.7%-39.021135%-42.250155%-39.021135%39.0%0.7190.7258.163%58.2%41.837%41.8%-17.889811%-25.637895%-17.889811%17.9%0.8480.8554.105%54.1%45.895%45.9%-12.808775%-17.136703%-12.808775%12.8%0.8860.8953.009%53.0%46.991%47.0%-7.053380%-12.360556%-7.053380%7.1%0.9340.9351.703%51.7%48.297%48.3%-4.959507%-10.786056%-4.959507%5.0%0.9530.9551.210%51.2%48.790%48.8%-4.024813%-9.602216%-4.024813%4.0%0.9610.9650.986%51.0%49.014%49.0%-3.137719%-7.585728%-3.137719%3.1%0.9700.9750.772%50.8%49.228%49.2%-5.154491%-6.346862%-5.154491%5.2%0.9510.9551.256%51.3%48.744%48.7%-1.981292%-3.768485%-1.981292%2.0%0.9810.9850.490%50.5%49.510%49.5%-2.077397%1.311740%1.311740%1.3%1.0131.0149.674%49.7%50.326%50.3%-1.166734%6.173261%6.173261%6.2%1.0621.0648.503%48.5%51.497%51.5%-0.641232%5.068057%5.068057%5.1%1.0511.0548.764%48.8%51.236%51.2%6.383762%0.824044%6.383762%6.4%1.0641.0648.453%48.5%51.547%51.5%7.869988%2.883352%7.869988%7.9%1.0791.0848.107%48.1%51.893%51.9%7.334749%4.977745%7.334749%7.3%1.0731.0748.231%48.2%51.769%51.8%13.611308%5.585264%13.611308%13.6%1.1361.1446.814%46.8%53.186%53.2%9.781074%5.676433%9.781074%9.8%1.0981.1047.669%47.7%52.331%52.3%9.324868%5.046055%9.324868%9.3%1.0931.0947.773%47.8%52.227%52.2%4.177451%4.728170%4.177451%4.2%1.0421.0448.977%49.0%51.023%51.0%3.918625%4.253238%3.918625%3.9%1.0391.0449.039%49.0%50.961%51.0%5.820035%4.441989%5.820035%5.8%1.0581.0648.586%48.6%51.414%51.4%4.705595%4.541243%4.705595%4.7%1.0471.0548.851%48.9%51.149%51.1%
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 in Colorado

Children Age Cohorts by County#5

Percentage of population aged 0 to 17 (%):
7.9%12.3%16.6%20.9%25.3%29.6%

College Age Cohorts by County#6

Percentage of population aged 18 to 21 (%):
0.1%2.5%4.8%7.1%9.5%11.9%

20s Age Cohorts by County#7

Percentage of population aged 22 to 29 (%):
3.6%6.1%8.5%10.9%13.3%15.7%

30s Age Cohorts by County#8

Percentage of population aged 30 to 39 (%):
5.2%8.2%11.1%14.0%16.8%19.8%

40s Age Cohorts by County#9

Percentage of population aged 40 to 49 (%):
6.0%8.5%10.9%13.3%15.7%18.1%

50s Age Cohorts by County#10

Percentage of population aged 50 to 59 (%):
11.1%13.6%16.2%18.7%21.3%23.9%

60s Age Cohorts by County#11

Percentage of population aged 60 to 69 (%):
8.2%12.0%15.8%19.6%23.3%27.2%

70s Age Cohorts by County#12

Percentage of population aged 70 to 79 (%):
2.2%5.6%8.9%12.2%15.5%18.8%

80+ Age Cohorts by County#13

Percentage of population aged 80 and older (%):
1.1%2.7%4.3%5.9%7.5%9.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by County Subdivision in Colorado

Children Age Cohorts by County Subdivision#14

Percentage of population aged 0 to 17 (%):
0%8%16%24%33%41%

College Age Cohorts by County Subdivision#15

Percentage of population aged 18 to 21 (%):
0.0%3.7%7.5%11.2%14.9%18.7%

20s Age Cohorts by County Subdivision#16

Percentage of population aged 22 to 29 (%):
0.0%4.4%8.9%13.3%17.7%22.2%

30s Age Cohorts by County Subdivision#17

Percentage of population aged 30 to 39 (%):
1%8%15%21%28%35%

40s Age Cohorts by County Subdivision#18

Percentage of population aged 40 to 49 (%):
0.0%4.1%8.3%12.4%16.5%20.7%

50s Age Cohorts by County Subdivision#19

Percentage of population aged 50 to 59 (%):
0%10%20%30%41%51%

60s Age Cohorts by County Subdivision#20

Percentage of population aged 60 to 69 (%):
1%9%17%24%32%40%

70s Age Cohorts by County Subdivision#21

Percentage of population aged 70 to 79 (%):
0.0%4.9%9.8%14.7%19.6%24.6%

80+ Age Cohorts by County Subdivision#22

Percentage of population aged 80 and older (%):
0.0%3.5%6.9%10.4%13.9%17.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Colorado

There are 458 places in Colorado. This section compares the 50 most populous of those to each other, Colorado, and other entities that contain or substantially overlap with Colorado. The least populous of the compared places has a population of 12,928.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected places in Colorado, and entities that contain Colorado
0%10%20%30%Count#Commerce CityFountainWelbyParkerEvansCastle RockHighlands RanchHighlands RnchCimarron HillsCimarron HlsErieFort CarsonThorntonJohnstownBrightonSuperiorWindsorSecurity-WidefieldCliftonAuroraPueblo WestGreeleySherrelwoodLongmontMountainBroomfieldColorado SpringsColorado SpgsNorthglennLouisvilleWestWestminsterCentennialDakota RidgeBlack ForestLafayetteColoradoGreenwood VillageGreenwood VlgUnited States of AmericaUnited StatesPuebloKen CarylColumbineLovelandGrand JunctionGrand JctCañon CityArvadaMontroseDenverSterlingLakewoodLittletonFort CollinsWheat RidgeEnglewoodGoldenDurangoBoulder34.234792%34.234792%34.2%17,71017.7k132.447784%32.447784%32.4%9,026231.113231%31.113231%31.1%5,218330.296024%30.296024%30.3%14,67614.7k430.230654%30.230654%30.2%6,278530.093514%30.093514%30.1%16,18716.2k630.017074%30.017074%30.0%31,99732.0k729.414153%29.414153%29.4%5,071829.195712%29.195712%29.2%6,073928.857662%28.857662%28.9%4,2921028.655822%28.655822%28.7%37,39937.4k1128.451214%28.451214%28.5%4,0911228.363676%28.363676%28.4%10,29810.3k1328.132735%28.132735%28.1%3,6371428.127068%28.127068%28.1%5,9501527.408742%27.408742%27.4%9,5811626.297388%26.297388%26.3%5,2651726.276233%26.276233%26.3%92,26492.3k1826.046893%26.046893%26.0%7,9431925.499369%25.499369%25.5%25,23825.2k2025.130065%25.130065%25.1%4,7822124.994764%24.994764%25.0%22,67522.7k2224.709269%24.709269%24.7%5,732,5615.73M24.399110%24.399110%24.4%15,23715.2k2323.968990%23.968990%24.0%107,563108k2423.945657%23.945657%23.9%9,1302523.933507%23.933507%23.9%4,7802623.760486%23.760486%23.8%17,834,66617.8M23.646775%23.646775%23.6%26,43026.4k2723.607943%23.607943%23.6%25,46425.5k2823.560777%23.560777%23.6%8,0422923.448838%23.448838%23.4%3,1673023.361550%23.361550%23.4%6,3203123.252704%23.252704%23.3%1,246,1811.25M23.191741%23.191741%23.2%3,5273223.108006%23.108006%23.1%73,612,43873.6M22.953361%22.953361%23.0%24,87824.9k3322.722988%22.722988%22.7%7,4723422.336933%22.336933%22.3%5,6473522.303708%22.303708%22.3%16,36216.4k3622.053439%22.053439%22.1%13,37113.4k3721.812101%21.812101%21.8%3,5873821.607124%21.607124%21.6%24,53124.5k3921.571308%21.571308%21.6%4,1024020.705017%20.705017%20.7%137,337137k4120.248998%20.248998%20.2%2,8304219.879434%19.879434%19.9%29,77829.8k4319.597533%19.597533%19.6%8,8334418.998289%18.998289%19.0%29,87529.9k4517.884293%17.884293%17.9%5,5524617.781262%17.781262%17.8%5,7834717.377146%17.377146%17.4%3,5224816.265365%16.265365%16.3%2,8984913.181559%13.181559%13.2%13,89613.9k50
Count number of children
# rank of place out of 50 by %

Age Cohorts by Metro Area in Colorado

There are 17 metro areas in Colorado. This section compares all 17 of those to each other, Colorado, and other entities that contain or substantially overlap with Colorado.

Children by Metro Area#32

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected metro areas in Colorado, and entities that contain Colorado
0%5%10%15%20%25%Count#Greeley Metro AreaGreeley AreaFort Morgan Metro AreaFort MorganCraig Metro AreaCraig AreaColorado Springs Metro AreaColorado SpringsMountainWestDenver, Aurora, and Lakewood Metro AreaDenver AreaGlenwood Springs Metro AreaGlenwood SpringsPueblo Metro AreaPueblo AreaColoradoUnited States of AmericaUnited StatesEdwards Metro AreaEdwards AreaGrand Junction Metro AreaGrand JunctionMontrose Metro AreaMontrose AreaFort Collins Metro AreaFort CollinsBoulder Metro AreaBoulder AreaSterling Metro AreaSterling AreaDurango Metro AreaDurango AreaSteamboat Springs Metro AreaSteamboat SpringsBreckenridge Metro AreaBreckenridgeCañon City Metro AreaCañon City26.886160%26.886160%26.9%74,76174.8k126.707438%26.707438%26.7%7,555225.832438%25.832438%25.8%3,367324.854388%24.854388%24.9%171,158171k424.709269%24.709269%24.7%5,732,5615.73M23.760486%23.760486%23.8%17,834,66617.8M23.759037%23.759037%23.8%653,862654k523.749300%23.749300%23.7%17,82117.8k623.352533%23.352533%23.4%37,86837.9k723.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M23.044202%23.044202%23.0%12,18912.2k822.436996%22.436996%22.4%33,24433.2k922.380463%22.380463%22.4%9,1461020.441659%20.441659%20.4%66,48266.5k1120.164925%20.164925%20.2%63,31063.3k1219.714573%19.714573%19.7%4,3101319.483646%19.483646%19.5%10,52010.5k1419.132611%19.132611%19.1%4,5881516.659264%16.659264%16.7%4,8761616.186613%16.186613%16.2%7,58117
Count number of children
# rank of metro area out of 17 by %

Age Cohorts by County in Colorado

There are 64 counties in Colorado. This section compares the 50 most populous of those to each other, Colorado, and other entities that contain or substantially overlap with Colorado. The least populous of the compared counties has a population of 5,515.

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected counties in Colorado, and entities that contain Colorado
0%5%10%15%20%25%Count#Douglas CountyDouglasAdams CountyAdamsConejos CountyConejosYuma CountyYumaWeld CountyWeldMorgan CountyMorganGarfield CountyGarfieldMoffat CountyMoffatProwers CountyProwersEl Paso CountyEl PasoMountainAlamosa CountyAlamosaArapahoe CountyArapahoeBroomfield CountyBroomfieldRio Blanco CountyRio BlancoRio Grande CountyRio GrandeWestOtero CountyOteroPueblo CountyPuebloColoradoUnited States of AmericaUnited StatesEagle CountyEagleSaguache CountySaguacheElbert CountyElbertMesa CountyMesaMontezuma CountyMontezumaMontrose CountyMontroseKit Carson CountyKit CarsonJefferson CountyJeffersonDelta CountyDeltaDenver CountyDenverLarimer CountyLarimerBoulder CountyBoulderLincoln CountyLincolnLake CountyLakeLogan CountyLoganGilpin CountyGilpinLa Plata CountyLa PlataSan Miguel CountySan MiguelRoutt CountyRouttTeller CountyTellerLas Animas CountyLas AnimasGrand CountyGrandGunnison CountyGunnisonArchuleta CountyArchuletaPark CountyParkSummit CountySummitPitkin CountyPitkinFremont CountyFremontBent CountyBentClear Creek CountyClear CreekHuerfano CountyHuerfanoChaffee CountyChaffeeCrowley CountyCrowley28.325982%28.325982%28.3%89,01189.0k127.776539%27.776539%27.8%133,321133k227.286010%27.286010%27.3%2,241327.054187%27.054187%27.1%2,746426.886160%26.886160%26.9%74,76174.8k526.707438%26.707438%26.7%7,555626.042265%26.042265%26.0%14,97315.0k725.832438%25.832438%25.8%3,367825.740450%25.740450%25.7%3,120925.076559%25.076559%25.1%166,802167k1024.709269%24.709269%24.7%5,732,5615.73M24.527610%24.527610%24.5%4,0111124.518350%24.518350%24.5%151,442151k1224.399110%24.399110%24.4%15,23715.2k1324.376690%24.376690%24.4%1,6231423.969715%23.969715%24.0%2,7861523.760486%23.760486%23.8%17,834,66617.8M23.720174%23.720174%23.7%4,3741623.352533%23.352533%23.4%37,86837.9k1723.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M23.044202%23.044202%23.0%12,18912.2k1823.037570%23.037570%23.0%1,4411922.691434%22.691434%22.7%5,4972022.436996%22.436996%22.4%33,24433.2k2122.394832%22.394832%22.4%5,8242222.380463%22.380463%22.4%9,1462321.923171%21.923171%21.9%1,7922420.881874%20.881874%20.9%116,690117k2520.879521%20.879521%20.9%6,3102620.705017%20.705017%20.7%137,337137k2720.441659%20.441659%20.4%66,48266.5k2820.164925%20.164925%20.2%63,31063.3k2919.836809%19.836809%19.8%1,0943019.794622%19.794622%19.8%1,4653119.714573%19.714573%19.7%4,3103219.691661%19.691661%19.7%1,1243319.483646%19.483646%19.5%10,52010.5k3419.209476%19.209476%19.2%1,4923519.132611%19.132611%19.1%4,5883618.558282%18.558282%18.6%4,3563718.342410%18.342410%18.3%2,6273818.184955%18.184955%18.2%2,6353917.943231%17.943231%17.9%2,8514017.741805%17.741805%17.7%2,1924116.666667%16.666667%16.7%2,7404216.659264%16.659264%16.7%4,8764316.234395%16.234395%16.2%2,8484416.186613%16.186613%16.2%7,5814515.870014%15.870014%15.9%9234615.836761%15.836761%15.8%1,4634715.733783%15.733783%15.7%1,0264815.658940%15.658940%15.7%2,8984913.220155%13.220155%13.2%73250
Count number of children
# rank of county out of 50 by %

Age Cohorts by County Subdivision in Colorado

There are 209 county subdivisions in Colorado. This section compares the 50 most populous of those to each other, Colorado, and other entities that contain or substantially overlap with Colorado. The least populous of the compared county subdivisions has a population of 15,370.

Children by County Subdivision#50

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected county subdivisions in Colorado, and entities that contain Colorado
0%10%20%30%Count#Commerce CityEast ArapahoeNorth AuroraBrightonFountainElsmereErie-FrederickWindsorSedaliaParkerTimnath-WellingtonBlack Forest-PeytonBlack Frst-PeytonCastle RockJohnstown-MillikenWest AdamsGreeleyPueblo WestFort MorganEagle-GypsumFruitaSouth AuroraLafayette-LouisvilleLongmontMountainAlamosaBroomfieldWestCliftonColoradoColorado SpringsColorado SpgsUnited States of AmericaUnited StatesGlenwood SpringsGlenwood SpgsPuebloElizabethLovelandMontroseSouth JeffersonS JeffersonCortezSouthwest ArapahoeSW ArapahoeGrand JunctionGrand JctMinturn-Red CliffCentral JeffersonCntrl JeffersonNortheast JeffersonNE JeffersonDenverSterlingDivideMonumentGoldenSteamboat SpringsSteamboat SpgsFort CollinsDurangoCañon CityBreckenridgeBoulder32.468104%32.468104%32.5%10,33210.3k131.298961%31.298961%31.3%9,549230.079897%30.079897%30.1%13,06413.1k329.937061%29.937061%29.9%27,01727.0k429.644546%29.644546%29.6%24,06924.1k529.564597%29.564597%29.6%19,90219.9k628.908388%28.908388%28.9%12,78312.8k728.846329%28.846329%28.8%6,341828.637179%28.637179%28.6%44,36344.4k928.595177%28.595177%28.6%32,68232.7k1028.490858%28.490858%28.5%6,2641128.188765%28.188765%28.2%20,80520.8k1226.572215%26.572215%26.6%11,96612.0k1326.544052%26.544052%26.5%7,9811426.345970%26.345970%26.3%80,44980.4k1526.160210%26.160210%26.2%34,65634.7k1625.995745%25.995745%26.0%7,9431725.741182%25.741182%25.7%4,2111825.572134%25.572134%25.6%4,8161925.537657%25.537657%25.5%6,0562025.535072%25.535072%25.5%98,09498.1k2124.863434%24.863434%24.9%17,84217.8k2224.754275%24.754275%24.8%26,14226.1k2324.709269%24.709269%24.7%5,732,5615.73M24.573845%24.573845%24.6%3,7772424.399110%24.399110%24.4%15,23715.2k2523.760486%23.760486%23.8%17,834,66617.8M23.441646%23.441646%23.4%6,8032623.252704%23.252704%23.3%1,246,1811.25M23.163415%23.163415%23.2%91,42691.4k2723.108006%23.108006%23.1%73,612,43873.6M23.002895%23.002895%23.0%5,8802822.938673%22.938673%22.9%26,19026.2k2922.871716%22.871716%22.9%5,0673022.470633%22.470633%22.5%23,72023.7k3122.166391%22.166391%22.2%6,9703222.145288%22.145288%22.1%5,6613321.987794%21.987794%22.0%3,7833421.575331%21.575331%21.6%43,79943.8k3521.399913%21.399913%21.4%18,66818.7k3621.289002%21.289002%21.3%5,5133721.217697%21.217697%21.2%5,3043820.944454%20.944454%20.9%98,64098.6k3920.705017%20.705017%20.7%137,337137k4020.064520%20.064520%20.1%3,4834119.371392%19.371392%19.4%3,9264219.349097%19.349097%19.3%3,8054319.000241%19.000241%19.0%7,0854418.968828%18.968828%19.0%3,3594518.783701%18.783701%18.8%31,90931.9k4618.037296%18.037296%18.0%5,9684716.756100%16.756100%16.8%4,9654815.285375%15.285375%15.3%2,5714913.856914%13.856914%13.9%17,05817.1k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by State in the United States

There are 50 states in the United States. This section compares Colorado to all of the states in the United States and to those entities that contain or substantially overlap with Colorado.

Children by State#59

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected other states in the United States, and entities that contain Colorado
0%10%20%30%Count#UtahTexasIdahoAlaskaKansasNebraskaMountainGeorgiaSouth DakotaOklahomaMississippiNew MexicoArizonaIndianaLouisianaArkansasWyomingWestCaliforniaMinnesotaIowaNevadaIllinoisColoradoUnited States of AmericaUnited StatesMissouriNorth CarolinaN CarolinaKentuckyTennesseeAlabamaOhioNorth DakotaWashingtonWisconsinMarylandNew JerseyMichiganSouth CarolinaS CarolinaVirginiaMontanaDelawareHawaiiOregonConnecticutNew YorkPennsylvaniaMassachusettsWest VirginiaFloridaRhode IslandNew HampshireMaineVermont30.700981%30.700981%30.7%905,196905k126.459270%26.459270%26.5%7,132,4767.13M226.372637%26.372637%26.4%431,320431k325.461726%25.461726%25.5%187,616188k424.888693%24.888693%24.9%721,347721k524.855748%24.855748%24.9%467,601468k624.709269%24.709269%24.7%5,732,5615.73M24.706366%24.706366%24.7%2,495,1752.50M724.629931%24.629931%24.6%209,615210k824.572394%24.572394%24.6%952,325952k924.496085%24.496085%24.5%732,235732k1024.091682%24.091682%24.1%501,750502k1124.070736%24.070736%24.1%1,619,6181.62M1224.007486%24.007486%24.0%1,581,9921.58M1323.979792%23.979792%24.0%1,114,0221.11M1423.824850%23.824850%23.8%707,234707k1523.814253%23.814253%23.8%138,844139k1623.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M1723.520988%23.520988%23.5%1,282,0981.28M1823.418418%23.418418%23.4%727,514728k1923.409360%23.409360%23.4%664,632665k2023.270328%23.270328%23.3%2,990,6292.99M2123.252704%23.252704%23.3%1,246,1811.25M2223.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M2323.014441%23.014441%23.0%2,287,8262.29M2422.987138%22.987138%23.0%1,014,1901.01M2522.830222%22.830222%22.8%1,494,9251.49M2622.828993%22.828993%22.8%1,105,1891.11M2722.783062%22.783062%22.8%2,639,8602.64M2822.782621%22.782621%22.8%167,717168k2922.685733%22.685733%22.7%1,604,5951.60M3022.615876%22.615876%22.6%1,301,4981.30M3122.614634%22.614634%22.6%1,347,8101.35M3222.543020%22.543020%22.5%2,009,8132.01M3322.480857%22.480857%22.5%2,227,7632.23M3422.458484%22.458484%22.5%1,085,7791.09M3522.448718%22.448718%22.4%1,865,5561.87M3621.987686%21.987686%22.0%225,020225k3721.845843%21.845843%21.8%204,192204k3821.802496%21.802496%21.8%308,216308k3921.630770%21.630770%21.6%861,395861k4021.558782%21.558782%21.6%773,652774k4121.456623%21.456623%21.5%4,226,4094.23M4221.153574%21.153574%21.2%2,704,2682.70M4320.624778%20.624778%20.6%1,390,5521.39M4420.575789%20.575789%20.6%379,848380k4520.398234%20.398234%20.4%4,066,2764.07M4620.142988%20.142988%20.1%212,406212k4720.111367%20.111367%20.1%266,979267k4819.512483%19.512483%19.5%259,501260k4919.431728%19.431728%19.4%121,691122k50
Count number of children
# rank of state out of 50 by %

Age Cohorts by State in the West

There are 13 states in the West. This section compares Colorado to all of the states in the West and to those entities that contain or substantially overlap with Colorado.

Children by State#68

Percentage of population aged 0 to 17 (%):
Scope: population of Colorado, selected other states in the West, and entities that contain Colorado
0%5%10%15%20%25%30%Count#UtahIdahoAlaskaMountainNew MexicoArizonaWyomingWestCaliforniaNevadaColoradoUnited States of AmericaUnited StatesWashingtonMontanaHawaiiOregon30.700981%30.700981%30.7%905,196905k126.372637%26.372637%26.4%431,320431k225.461726%25.461726%25.5%187,616188k324.709269%24.709269%24.7%5,732,5615.73M24.091682%24.091682%24.1%501,750502k424.070736%24.070736%24.1%1,619,6181.62M523.814253%23.814253%23.8%138,844139k623.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M723.409360%23.409360%23.4%664,632665k823.252704%23.252704%23.3%1,246,1811.25M923.108006%23.108006%23.1%73,612,43873.6M22.685733%22.685733%22.7%1,604,5951.60M1021.987686%21.987686%22.0%225,020225k1121.802496%21.802496%21.8%308,216308k1221.630770%21.630770%21.6%861,395861k13
Count number of children
# rank of state out of 13 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.

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Major Counties:
Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, Eagle, El Paso, Garfield, Jefferson, La Plata, Larimer, Mesa, Pueblo, Weld
Counties:
Adams, Alamosa, Arapahoe, Archuleta, Baca, Bent, Boulder, Broomfield, Chaffee, Cheyenne, Clear Creek, Conejos, Costilla, Crowley, Custer, Delta, Denver, Dolores, Douglas, Eagle, El Paso, Elbert, Fremont, Garfield, Gilpin, Grand, Gunnison, Hinsdale, Huerfano, Jackson, Jefferson, Kiowa, Kit Carson, La Plata, Lake, Larimer, Las Animas, Lincoln, Logan, Mesa, Mineral, Moffat, Montezuma, Montrose, Morgan, Otero, Ouray, Park, Phillips, Pitkin, Prowers, Pueblo, Rio Blanco, Rio Grande, Routt, Saguache, San Juan, San Miguel, Sedgwick, Summit, Teller, Washington, Weld, Yuma
Metro Areas:
Boulder Area, Breckenridge Area, Cañon City Area, Colorado Springs Area, Craig Area, Denver Area, Durango Area, Edwards Area, Fort Collins Area, Fort Morgan Area, Glenwood Springs Area, Grand Junction Area, Greeley Area, Montrose Area, Pueblo Area, Steamboat Springs Area, Sterling Area
Major Cities:
Arvada, Aurora, Boulder, Brighton, Broomfield, Cañon City, Centennial, Colorado Springs, Commerce City, Denver, Durango, Englewood, Evans, Fort Collins, Fountain, Golden, Grand Junction, Greeley, Greenwood Village, Lafayette, Lakewood, Littleton, Longmont, Louisville, Loveland, Montrose, Northglenn, Pueblo, Sterling, Thornton, Westminster, Wheat Ridge
Major Towns:
Castle Rock, Erie, Johnstown, Parker, Superior, Windsor
Major Unincorporated Places:
Black Forest, Cimarron Hills, Clifton, Columbine, Dakota Ridge, Fort Carson, Highlands Ranch, Ken Caryl, Pueblo West, Security-Widefield, Sherrelwood, Welby
Congressional Districts:
CO-1, CO-2, CO-3, CO-4, CO-5, CO-6, CO-7
State House Districts:
CO-1, CO-2, CO-3, CO-4, CO-5, CO-6, CO-7, CO-8, CO-9, CO-10, CO-11, CO-12, CO-13, CO-14, CO-15, CO-16, CO-17, CO-18, CO-19, CO-20, CO-21, CO-22, CO-23, CO-24, CO-25, CO-26, CO-27, CO-28, CO-29, CO-30, CO-31, CO-32, CO-33, CO-34, CO-35, CO-36, CO-37, CO-38, CO-39, CO-40, CO-41, CO-42, CO-43, CO-44, CO-45, CO-46, CO-47, CO-48, CO-49, CO-50, CO-51, CO-52, CO-53, CO-54, CO-55, CO-56, CO-57, CO-58, CO-59, CO-60, CO-61, CO-62, CO-63, CO-64, CO-65
State Senate Districts:
CO-1, CO-2, CO-3, CO-4, CO-5, CO-6, CO-7, CO-8, CO-9, CO-10, CO-11, CO-12, CO-13, CO-14, CO-15, CO-16, CO-17, CO-18, CO-19, CO-20, CO-21, CO-22, CO-23, CO-24, CO-25, CO-26, CO-27, CO-28, CO-29, CO-30, CO-31, CO-32, CO-33, CO-34, CO-35
Neighboring States:
Arizona, Kansas, Nebraska, New Mexico, Oklahoma, Utah, Wyoming