Age and Sex in Upper St. Vrain, Boulder County, Colorado (Census County Division)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Boulder County.
Scope: population of Boulder County, Upper St. Vrain, and other county subdivisions in Boulder County
Upper St. Vrain
Boulder County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%1%2%3%4%5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-450.577%0.58%161.848%1.85%434.965%4.97%515.889%5.89%657.506%7.51%8910.277%10.3%869.931%9.93%364.157%4.16%829.469%9.47%728.314%8.31%384.388%4.39%799.122%9.12%151.732%1.73%313.580%3.58%303.464%3.46%546.236%6.24%00.000%0%00.000%0%70.808%0.81%171.963%1.96%101.155%1.15%242.771%2.77%161.848%1.85%
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 Boulder County and Upper St. Vrain
Female Male
Boulder County
Upper St. Vrain
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.410572%-0.151567%-0.034364%-0.410572%0.41%0.410572%0.041699%0.151567%0.452271%0.45%26931.062%31.1%-0.831409%-0.647329%-0.015989%-0.831409%0.83%0.831409%0.152425%0.647329%0.983834%0.98%39345.381%45.4%-0.372081%-0.669280%-0.372081%0.37%0.372081%0.089813%0.669280%0.073594%0.461894%0.46%13015.012%15.0%-0.000000%-1.166068%0.000000%0.00%0.000000%0.202079%1.166068%0.042919%0.202079%0.20%70.808%0.81%-0.166795%-0.544972%-0.166795%0.17%0.166795%0.096228%0.544972%0.030329%0.263023%0.26%677.737%7.74%
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 Boulder County and Upper St. Vrain
Female Male
Boulder County
Upper St. Vrain
Shaded bar tips show excess over facing bar.
3%2%1%0%1%2%3%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.036085%-0.032687%-0.027073%-0.036085%0.0%0.000000%0.032687%0.000000%0.0%50.577%0.58%-0.115473%-0.138568%-0.101732%-0.069690%-0.254042%0.3%0.115473%0.101732%0.115473%0.1%161.848%1.85%-0.277136%-0.438799%-0.184418%-0.031851%-0.715935%0.7%0.277136%0.184418%0.277136%0.3%434.965%4.97%-0.369515%-0.267422%-0.020257%-0.369515%0.4%0.369515%0.438799%0.267422%0.808314%0.8%515.889%5.89%-0.962279%-0.577367%-0.401536%-0.013059%-1.539646%1.5%0.962279%0.401536%0.962279%1.0%657.506%7.51%-1.443418%-0.480474%-0.077876%-1.443418%1.4%1.443418%2.251732%0.480474%3.695150%3.7%8910.277%10.3%-0.885296%-0.561110%-0.004884%-0.885296%0.9%0.885296%1.539646%0.561110%2.424942%2.4%869.931%9.93%-0.230947%-1.616628%-0.607082%-0.071983%-1.847575%1.8%0.230947%0.607082%0.230947%0.2%364.157%4.16%-0.762125%-0.663394%-0.012549%-0.762125%0.8%0.762125%0.369515%0.663394%1.131640%1.1%829.469%9.47%-0.577367%-0.677536%-0.024589%-0.577367%0.6%0.577367%0.508083%0.677536%1.085450%1.1%728.314%8.31%-0.369515%-0.138568%-0.661611%-0.006944%-0.508083%0.5%0.369515%0.661611%0.369515%0.4%384.388%4.39%-0.785219%-0.254042%-0.654604%-0.004141%-1.039261%1.0%0.785219%0.654604%0.785219%0.8%799.122%9.12%-0.115473%-0.115473%-0.631416%-0.230947%0.2%0.115473%0.631416%0.008600%0.115473%0.1%151.732%1.73%-0.138568%-0.617656%-0.138568%0.1%0.138568%0.438799%0.617656%0.026054%0.577367%0.6%313.580%3.58%-0.184758%-0.627594%-0.184758%0.2%0.184758%0.323326%0.627594%0.124283%0.508083%0.5%303.464%3.46%-0.769823%-0.538876%-0.887902%-1.308699%1.3%0.769823%0.887902%0.176667%0.769823%0.8%546.236%6.24%-0.000000%-1.238052%0.000000%0.0%0.000000%0.000000%1.238052%0.116256%0.000000%0.0%00.000%0%-0.000000%-1.170846%0.000000%0.0%0.000000%0.000000%1.170846%0.025162%0.000000%0.0%00.000%0%-0.000000%-1.127688%0.000000%0.0%0.000000%0.404157%1.127688%0.015129%0.404157%0.4%70.808%0.81%-0.192456%-0.269438%-0.570665%-0.461894%0.5%0.192456%0.570665%0.021128%0.192456%0.2%171.963%1.96%-0.000000%-0.230947%-0.590838%-0.002421%-0.230947%0.2%0.000000%0.590838%0.000000%0.0%101.155%1.15%-0.092379%-0.547775%-0.092379%0.1%0.092379%0.369515%0.547775%0.061919%0.461894%0.5%242.771%2.77%-0.000000%-0.478467%0.000000%0.0%0.000000%0.369515%0.478467%0.037011%0.369515%0.4%161.848%1.85%
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 Boulder County and Upper St. Vrain
More Females More Males
Boulder County
Upper St. Vrain
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-2415-1710-145-9-1,000.000000%-82.825822%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-120.000000%-68.503444%-120.000000%120.0%0.4550.4568.750%68.8%31.250%31.3%-158.333333%-17.271157%-158.333333%158.3%0.3870.3972.093%72.1%27.907%27.9%-7.575036%118.750000%118.750000%118.8%2.1882.1931.373%31.4%68.627%68.6%-60.000000%-3.252247%-60.000000%60.0%0.6250.6361.538%61.5%38.462%38.5%-16.208154%156.000000%156.000000%156.0%2.5602.5628.090%28.1%71.910%71.9%-0.870388%173.913043%173.913043%173.9%2.7392.7426.744%26.7%73.256%73.3%-700.000000%-11.857293%-700.000000%700.0%0.1250.1388.889%88.9%11.111%11.1%-1.891684%48.484848%48.484848%48.5%1.4851.4840.244%40.2%59.756%59.8%-3.629184%88.000000%88.000000%88.0%1.8801.8834.722%34.7%65.278%65.3%-37.500000%-1.049490%-37.500000%37.5%0.7270.7357.895%57.9%42.105%42.1%-32.352941%-0.632542%-32.352941%32.4%0.7560.7656.962%57.0%43.038%43.0%-100.000000%-100.000000%100.0%1.361985%0.5000.5066.667%66.7%33.333%33.3%316.666667%4.218234%316.666667%316.7%4.1674.1719.355%19.4%80.645%80.6%175.000000%19.803086%175.000000%175.0%2.7502.7526.667%26.7%73.333%73.3%-70.000000%-70.000000%70.0%19.897166%0.5880.5962.963%63.0%37.037%37.0%-140.000000%-140.000000%140.0%3.702326%0.4170.4270.588%70.6%29.412%29.4%-1,000.000000%-0.409704%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%400.000000%11.303640%400.000000%400.0%5.0005.0016.667%16.7%83.333%83.3%
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 Block Group in Upper St. Vrain

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
7.57%7.67%7.76%7.86%7.96%8.06%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
0.00%0.25%0.49%0.74%0.99%1.24%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
9.50%9.62%9.73%9.84%9.96%10.07%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
3.69%4.19%4.68%5.17%5.67%6.17%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
11.4%12.6%13.8%15.0%16.2%17.5%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
13.4%14.8%16.1%17.4%18.7%20.1%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
29.0%30.7%32.3%34.0%35.6%37.3%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
8.3%9.1%9.9%10.6%11.4%12.2%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
1.67%1.91%2.13%2.36%2.59%2.82%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Upper St. Vrain

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%12%24%36%48%61%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0.0%3.3%6.7%10.0%13.3%16.7%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0%20%40%60%80%100%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
0%20%40%60%80%100%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%20%40%60%80%100%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0%20%40%60%80%100%

60s Age Cohorts by Block#20

Percentage of population aged 60 to 69 (%):
0%20%40%60%80%100%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0%20%40%60%80%100%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0%13%27%40%53%67%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in the Boulder Area

There are 5 county subdivisions in the Boulder Area. This section compares Upper St. Vrain to all of the county subdivisions in the Boulder Area and to those entities that contain or substantially overlap with Upper St. Vrain.

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of Upper St. Vrain, selected other county subdivisions in the Boulder Area, and entities that contain Upper St. Vrain
0%5%10%15%20%Count#Lafayette-LouisvilleLongmontMountainWestColoradoUnited States of AmericaUnited StatesBoulder Metro AreaBoulder AreaBoulder CountyBoulderBald MountainBoulder013602Tract 013602Upper St. Vrain24.863434%24.863434%24.9%17,84217.8k124.754275%24.754275%24.8%26,14226.1k224.709269%24.709269%24.7%5,732,5615.73M23.760486%23.760486%23.8%17,834,66617.8M23.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M20.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k17.429522%17.429522%17.4%2,201313.856914%13.856914%13.9%17,05817.1k47.736721%7.736721%7.7%677.736721%7.736721%7.7%675
Count number of children
# rank of county subdivision out of 5 by %

Age Cohorts by County Subdivision in Colorado

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

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Upper St. Vrain, selected other county subdivisions in Colorado, and entities that contain Upper St. Vrain
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 JeffersonDenverBoulder Metro AreaBoulder AreaBoulder CountyBoulderSterlingDivideMonumentGoldenSteamboat SpringsSteamboat SpgsFort CollinsDurangoCañon CityBreckenridgeBoulder013602Tract 013602Upper St. Vrain32.468104%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%137,337137k4020.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k20.064520%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%17,05817.1k507.736721%7.736721%7.7%677.736721%7.736721%7.7%67
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the West

There are 1,950 county subdivisions in the West. This section compares Upper St. Vrain to the 50 most populous county subdivisions in the West and to those entities that contain or substantially overlap with Upper St. Vrain. The least populous of the compared county subdivisions has a population of 323,012.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Upper St. Vrain, selected other county subdivisions in the West, and entities that contain Upper St. Vrain
0%10%20%30%Count#BakersfieldVictorville-HesperiaSouth Gate-East Los AngelesS Gate-E Los Ang…San BernardinoChandlerFresnoStocktonSalt Lake CitySalt Lk CityModestoComptonRiversideSouth AuroraInglewoodDowney-NorwalkPhoenixMountainOntarioBoise CityAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…Beaverton-HillsboroSacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasEwaWestOceanside-EscondidoOceanside-Escond…San MateoWhittierColoradoColorado SpringsColorado SpgsUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlyFremontUpper San Gabriel ValleyUpper San Gabriel …Seattle EastTacomaSpokaneHaywardSan DiegoCentral Contra CostaCntrl Contra CostaSan Fernando ValleySan Fernando VlyTucsonNortheast JeffersonNE JeffersonLos AngelesDenverOaklandBoulder Metro AreaBoulder AreaBoulder CountyBoulderNorth CoastPortland EastSouthwest San Gabriel ValleySW San Gabriel VlySeattleHonoluluSan Francisco013602Tract 013602Upper St. Vrain30.255492%30.255492%30.3%124,377124k129.435174%29.435174%29.4%111,612112k229.165936%29.165936%29.2%146,441146k328.994345%28.994345%29.0%243,195243k428.984100%28.984100%29.0%121,788122k528.397448%28.397448%28.4%196,566197k628.302745%28.302745%28.3%99,59099.6k727.496527%27.496527%27.5%270,755271k827.298986%27.298986%27.3%88,17988.2k927.269923%27.269923%27.3%95,47895.5k1025.927237%25.927237%25.9%123,053123k1125.535072%25.535072%25.5%98,09498.1k1225.154719%25.154719%25.2%94,09594.1k1325.088958%25.088958%25.1%105,268105k1424.820142%24.820142%24.8%790,766791k1524.709269%24.709269%24.7%5,732,5615.73M24.651051%24.651051%24.7%158,701159k1624.573713%24.573713%24.6%83,11183.1k1724.485581%24.485581%24.5%415,583416k1824.260613%24.260613%24.3%104,522105k1924.105398%24.105398%24.1%270,060270k2024.003737%24.003737%24.0%138,756139k2123.974603%23.974603%24.0%448,315448k2223.870694%23.870694%23.9%81,44881.4k2323.760486%23.760486%23.8%17,834,66617.8M23.555887%23.555887%23.6%155,230155k2423.297112%23.297112%23.3%94,14294.1k2523.292335%23.292335%23.3%75,73275.7k2623.252704%23.252704%23.3%1,246,1811.25M23.163415%23.163415%23.2%91,42691.4k2723.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2822.866327%22.866327%22.9%401,701402k2922.814001%22.814001%22.8%218,249218k3022.761568%22.761568%22.8%78,49678.5k3122.722312%22.722312%22.7%75,16775.2k3222.721955%22.721955%22.7%133,247133k3322.639000%22.639000%22.6%100,255100k3422.471811%22.471811%22.5%81,45281.5k3522.418273%22.418273%22.4%86,88086.9k3621.982996%21.982996%22.0%523,203523k3721.890089%21.890089%21.9%108,396108k3821.633042%21.633042%21.6%398,263398k3921.517750%21.517750%21.5%188,032188k4020.944454%20.944454%20.9%98,64098.6k4120.884750%20.884750%20.9%537,723538k4220.705017%20.705017%20.7%137,337137k4320.278714%20.278714%20.3%88,08188.1k4420.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k19.605378%19.605378%19.6%74,22474.2k4519.507968%19.507968%19.5%96,00396.0k4619.084224%19.084224%19.1%61,84361.8k4717.999155%17.999155%18.0%187,875188k4817.885770%17.885770%17.9%71,80671.8k4913.481174%13.481174%13.5%114,628115k507.736721%7.736721%7.7%677.736721%7.736721%7.7%67
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares Upper St. Vrain to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with Upper St. Vrain. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#50

Percentage of population aged 0 to 17 (%):
Scope: population of Upper St. Vrain, selected other county subdivisions in the United States, and entities that contain Upper St. Vrain
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixMountainOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasWestOceanside-EscondidoOceanside-Escond…BrooklynColoradoUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensBoulder Metro AreaBoulder AreaBoulder CountyBoulderAtlantaMiamiSeattleWashingtonBostonManhattanSan Francisco013602Tract 013602Upper St. Vrain28.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k328.397448%28.397448%28.4%196,566197k427.641788%27.641788%27.6%235,492235k527.496527%27.496527%27.5%270,755271k626.987978%26.987978%27.0%154,609155k726.725236%26.725236%26.7%882,854883k826.475933%26.475933%26.5%158,504159k926.202297%26.202297%26.2%183,823184k1026.125729%26.125729%26.1%143,291143k1125.730246%25.730246%25.7%398,059398k1225.573137%25.573137%25.6%367,431367k1325.541202%25.541202%25.5%139,787140k1425.334430%25.334430%25.3%150,050150k1525.218343%25.218343%25.2%172,353172k1624.820142%24.820142%24.8%790,766791k1724.709269%24.709269%24.7%5,732,5615.73M24.651051%24.651051%24.7%158,701159k1824.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.105398%24.105398%24.1%270,060270k2124.003737%24.003737%24.0%138,756139k2223.974603%23.974603%24.0%448,315448k2323.760486%23.760486%23.8%17,834,66617.8M23.555887%23.555887%23.6%155,230155k2423.337305%23.337305%23.3%608,369608k2523.252704%23.252704%23.3%1,246,1811.25M23.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2622.866327%22.866327%22.9%401,701402k2722.814001%22.814001%22.8%218,249218k2822.721955%22.721955%22.7%133,247133k2922.597144%22.597144%22.6%185,081185k3022.467309%22.467309%22.5%172,708173k3122.237882%22.237882%22.2%129,541130k3222.168125%22.168125%22.2%345,809346k3321.982996%21.982996%22.0%523,203523k3421.913385%21.913385%21.9%594,733595k3521.700117%21.700117%21.7%144,592145k3621.692326%21.692326%21.7%186,313186k3721.633042%21.633042%21.6%398,263398k3821.517750%21.517750%21.5%188,032188k3921.123671%21.123671%21.1%131,178131k4020.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.470812%20.470812%20.5%472,878473k4320.164925%20.164925%20.2%63,31063.3k20.164925%20.164925%20.2%63,31063.3k19.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4517.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4814.639548%14.639548%14.6%239,355239k4913.481174%13.481174%13.5%114,628115k507.736721%7.736721%7.7%677.736721%7.736721%7.7%67
Count number of children
# rank of county subdivision 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.

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State:
Colorado
County:
Boulder
Metro Area:
Boulder Area
Unincorporated Place:
Allenspark
ZIP Codes:
80455, 80481, 80510, 80540
Unified School Districts:
Boulder Valley RE-2, Park R-3, St. Vrain Valley RE 1J
Congressional District:
CO-2
State Senate District:
CO-18
State House Districts:
CO-11, CO-13