Age and Sex in St. Charles County, Missouri (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Missouri.
Scope: population of Missouri, St. Charles County, and other counties in Missouri
St. Charles County
Missouri
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-45,7281.508%1.51%6,4821.706%1.71%8,7692.309%2.31%12,68712.7k3.340%3.34%9,3492.461%2.46%7,2971.921%1.92%12,11212.1k3.189%3.19%9,1372.405%2.41%26,80526.8k7.057%7.06%29,04529.0k7.646%7.65%26,28126.3k6.919%6.92%25,36725.4k6.678%6.68%25,16325.2k6.624%6.62%26,39226.4k6.948%6.95%23,38623.4k6.157%6.16%12,89612.9k3.395%3.39%5,6511.488%1.49%5,2311.377%1.38%9,3342.457%2.46%16,17116.2k4.257%4.26%26,71426.7k7.033%7.03%26,16326.2k6.888%6.89%23,69623.7k6.238%6.24%
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 Missouri and St. Charles County
Female Male
Missouri
St. Charles County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.161728%-0.044461%-0.186594%-0.053100%-0.206189%0.21%0.161728%0.186594%0.161728%0.16%50,31250.3k13.245%13.2%-0.658607%-0.038530%-0.638228%-0.029300%-0.697138%0.70%0.658607%0.638228%0.658607%0.66%128,747129k33.894%33.9%-0.634290%-0.646272%-0.634290%0.63%0.634290%0.016073%0.646272%0.003561%0.650363%0.65%87,83787.8k23.124%23.1%-0.649128%-0.687325%-0.649128%0.65%0.649128%0.032249%0.687325%0.039524%0.681377%0.68%20,21620.2k5.322%5.32%-0.664916%-0.624065%-0.664916%0.66%0.664916%0.026589%0.624065%0.030935%0.691505%0.69%92,74492.7k24.416%24.4%
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 Missouri and St. Charles County
Female Male
Missouri
St. Charles County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.035277%-0.023693%-0.042583%-0.040457%-0.058970%0.06%0.035277%0.042583%0.035277%0.04%5,7281.508%1.51%-0.137526%-0.066236%-0.161300%-0.075961%-0.203761%0.20%0.137526%0.161300%0.137526%0.14%6,4821.706%1.71%-0.195969%-0.069763%-0.237525%-0.063868%-0.265732%0.27%0.195969%0.237525%0.195969%0.20%8,7692.309%2.31%-0.304221%-0.059549%-0.340878%-0.060211%-0.363769%0.36%0.304221%0.340878%0.304221%0.30%12,68712.7k3.340%3.34%-0.389621%-0.041156%-0.438513%-0.048375%-0.430777%0.43%0.389621%0.438513%0.389621%0.39%9,3492.461%2.46%-0.450171%-0.060154%-0.510995%-0.059475%-0.510325%0.51%0.450171%0.510995%0.450171%0.45%7,2971.921%1.92%-0.510895%-0.041068%-0.561936%-0.054349%-0.551964%0.55%0.510895%0.561936%0.510895%0.51%12,11212.1k3.189%3.19%-0.558896%-0.084901%-0.631423%-0.019374%-0.643797%0.64%0.558896%0.631423%0.558896%0.56%9,1372.405%2.41%-0.693052%-0.025220%-0.668831%-0.053577%-0.718272%0.72%0.693052%0.668831%0.693052%0.69%26,80526.8k7.057%7.06%-0.750337%-0.028590%-0.709176%-0.020717%-0.778927%0.78%0.750337%0.709176%0.750337%0.75%29,04529.0k7.646%7.65%-0.678889%-0.025957%-0.627607%-0.015031%-0.704846%0.70%0.678889%0.627607%0.678889%0.68%26,28126.3k6.919%6.92%-0.640664%-0.054284%-0.595797%-0.016816%-0.694948%0.69%0.640664%0.595797%0.640664%0.64%25,36725.4k6.678%6.68%-0.645192%-0.600714%-0.645192%0.65%0.645192%0.034487%0.600714%0.003614%0.679679%0.68%25,16325.2k6.624%6.62%-0.687840%-0.013900%-0.654635%-0.003990%-0.701740%0.70%0.687840%0.654635%0.687840%0.69%26,39226.4k6.948%6.95%-0.610916%-0.662038%-0.610916%0.61%0.610916%0.009477%0.662038%0.003835%0.620393%0.62%23,38623.4k6.157%6.16%-0.542662%-0.675336%-0.542662%0.54%0.542662%0.046333%0.675336%0.015600%0.588995%0.59%12,89612.9k3.395%3.39%-0.681574%-0.124521%-0.729184%-0.806095%0.81%0.681574%0.729184%0.005116%0.681574%0.68%5,6511.488%1.49%-0.629712%-0.727583%-0.629712%0.63%0.629712%0.117676%0.727583%0.068601%0.747388%0.75%5,2311.377%1.38%-0.580352%-0.646267%-0.580352%0.58%0.580352%0.067920%0.646267%0.042189%0.648272%0.65%9,3342.457%2.46%-0.691051%-0.640257%-0.691051%0.69%0.691051%0.036944%0.640257%0.032923%0.727995%0.73%16,17116.2k4.257%4.26%-0.689209%-0.630677%-0.689209%0.69%0.689209%0.028116%0.630677%0.033794%0.717324%0.72%26,71426.7k7.033%7.03%-0.679573%-0.629993%-0.679573%0.68%0.679573%0.018375%0.629993%0.027011%0.697949%0.70%26,16326.2k6.888%6.89%-0.610284%-0.601810%-0.610284%0.61%0.610284%0.027063%0.601810%0.030807%0.637347%0.64%23,69623.7k6.238%6.24%
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 Missouri and St. Charles County
More Females More Males
Missouri
St. Charles County
50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-67.164179%-95.007993%-67.164179%67.2%0.5980.6062.570%62.6%37.430%37.4%-48.162328%-47.093368%-48.162328%48.2%0.6750.6759.704%59.7%40.296%40.3%-35.599140%-26.889087%-35.599140%35.6%0.7370.7457.555%57.6%42.445%42.4%-19.574247%-17.663633%-19.574247%19.6%0.8360.8454.457%54.5%45.543%45.5%-10.563063%-11.031524%-10.563063%10.6%0.9040.9052.508%52.5%47.492%47.5%-13.362573%-11.639135%-13.362573%13.4%0.8820.8853.131%53.1%46.869%46.9%-8.038475%-9.671672%-8.038475%8.0%0.9260.9351.932%51.9%48.068%48.1%-15.190768%-3.068318%-15.190768%15.2%0.8680.8753.530%53.5%46.470%46.5%-3.638988%-8.010600%-3.638988%3.6%0.9650.9650.893%50.9%49.107%49.1%-3.810259%-2.921328%-3.810259%3.8%0.9630.9650.935%50.9%49.065%49.1%-3.823484%-2.394901%-3.823484%3.8%0.9630.9650.938%50.9%49.062%49.1%-8.473044%-2.822464%-8.473044%8.5%0.9220.9252.032%52.0%47.968%48.0%5.345193%0.601629%5.345193%5.3%1.0531.0548.698%48.7%51.302%51.3%-2.020821%-0.609550%-2.020821%2.0%0.9800.9850.500%50.5%49.500%49.5%1.551323%0.579303%1.551323%1.6%1.0161.0249.615%49.6%50.385%50.4%8.538163%2.310029%8.538163%8.5%1.0851.0947.953%48.0%52.047%52.0%-18.269602%-18.269602%18.3%0.701580%0.8460.8554.185%54.2%45.815%45.8%18.687291%9.428656%18.687291%18.7%1.1871.1945.727%45.7%54.273%54.3%11.703334%6.528095%11.703334%11.7%1.1171.1247.236%47.2%52.764%52.8%5.346032%5.142106%5.346032%5.3%1.0531.0548.698%48.7%51.302%51.3%4.079450%5.358376%4.079450%4.1%1.0411.0449.001%49.0%50.999%51.0%2.703959%4.287578%2.703959%2.7%1.0271.0349.333%49.3%50.667%50.7%4.434475%5.119065%4.434475%4.4%1.0441.0448.915%48.9%51.085%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 Subdivision in St. Charles County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
15.8%18.3%20.9%23.4%26.0%28.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.5%6.0%8.4%10.8%13.3%15.7%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
7.1%8.4%9.6%10.8%12.0%13.3%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
10.4%11.5%12.6%13.7%14.7%15.9%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.2%11.3%12.5%13.6%14.7%15.9%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
12.1%13.5%14.8%16.2%17.5%18.9%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.6%8.6%9.7%10.7%11.7%12.8%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
4.0%4.7%5.3%6.0%6.6%7.4%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.7%2.3%2.9%3.5%4.1%4.7%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in St. Charles County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
5%12%18%23%29%36%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1%13%24%35%47%58%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.5%8.5%12.5%16.5%20.5%24.6%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
3.2%7.4%11.5%15.6%19.6%23.8%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
3.5%7.1%10.7%14.3%17.9%21.5%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
4.9%8.6%12.2%15.8%19.5%23.1%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
2.6%5.6%8.6%11.6%14.6%17.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.4%3.5%5.6%7.6%9.7%11.8%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.4%2.5%4.6%6.7%8.8%10.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in St. Charles County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
3%10%16%23%29%36%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%14%27%41%54%68%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%10%18%27%36%46%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
1%8%14%20%26%32%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
1.5%6.1%10.7%15.3%19.9%24.5%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
3%9%14%20%25%31%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%6%12%17%23%29%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0%6%11%17%22%28%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%5%11%16%22%28%
Road Data ©OpenStreetMap

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Age Cohorts by Place in St. Charles County

There are 18 places that are fully or partially contained within St. Charles County (17 fully and 1 partially). This section compares all 18 of those to each other, St. Charles County, and other entities that contain or substantially overlap with St. Charles County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of St. Charles County, selected places in St. Charles County, and entities that contain St. Charles County
0%10%20%30%Count#WentzvillePortage Des SiouxDardenne PrairieO'FallonCottlevilleForistellSt. Charles CountySt. CharlesFlint HillWest North CentralLake St. LouisLk St. LouisMidwestUnited States of AmericaUnited StatesMissouriSt. Louis Metro AreaSt. LouisSt. PetersSt. PaulAugustaJosephvilleSt. CharlesWeldon SpringNew MelleWest AltonDefianceWeldon Spring HeightsWeldon Spg Hts33.084621%33.084621%33.1%11,30711.3k129.972752%29.972752%30.0%110228.703120%28.703120%28.7%3,643327.763098%27.763098%27.8%23,32623.3k426.587396%26.587396%26.6%1,118524.519231%24.519231%24.5%153624.415568%24.415568%24.4%92,74492.7k23.791822%23.791822%23.8%128723.689691%23.689691%23.7%4,971,0164.97M23.683168%23.683168%23.7%3,588823.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M22.816573%22.816573%22.8%639,651640k22.312791%22.312791%22.3%12,45512.5k920.847540%20.847540%20.8%4281020.289855%20.289855%20.3%561120.283019%20.283019%20.3%861218.941777%18.941777%18.9%12,94512.9k1317.619477%17.619477%17.6%9771416.733871%16.733871%16.7%831516.488223%16.488223%16.5%771615.972222%15.972222%16.0%23176.422018%6.422018%6.4%718
Count number of children
# rank of place out of 18 by %

Age Cohorts by County Subdivision in St. Charles County

There are 14 county subdivisions in St. Charles County. This section compares all 14 of those to each other, St. Charles County, and other entities that contain or substantially overlap with St. Charles County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of St. Charles County, selected county subdivisions in St. Charles County, and entities that contain St. Charles County
0%10%20%Count#Weldon Spring TownshipWeldon SpgBoone TownshipBooneWentzville TownshipWentzvilleDardenne TownshipDardenneLake St. Louis TownshipLk St. LouisCottleville TownshipCottlevilleHarvester TownshipHarvesterSt. Charles CountySt. CharlesO'Fallon TownshipO'FallonWest North CentralMidwestUnited States of AmericaUnited StatesMissouriSt. Louis Metro AreaSt. LouisSpencer Creek TownshipSpencer CrkSt. Peters TownshipSt. PetersRivers TownshipRiversFrontier TownshipFrontierZumbehl TownshipZumbehlLindenwood TownshipLindenwood28.496982%28.496982%28.5%7,601128.080750%28.080750%28.1%13,60413.6k227.685196%27.685196%27.7%12,27712.3k327.398705%27.398705%27.4%7,276425.667564%25.667564%25.7%7,440525.589574%25.589574%25.6%6,185624.422866%24.422866%24.4%5,131724.415568%24.415568%24.4%92,74492.7k23.929214%23.929214%23.9%6,788823.689691%23.689691%23.7%4,971,0164.97M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M22.816573%22.816573%22.8%639,651640k22.126239%22.126239%22.1%4,508921.904509%21.904509%21.9%4,1291021.777759%21.777759%21.8%5,0741120.830068%20.830068%20.8%5,5811218.333661%18.333661%18.3%3,7321315.800666%15.800666%15.8%3,41814
Count number of children
# rank of county subdivision out of 14 by %

Age Cohorts by County in the St. Louis Area

There are 15 counties in the St. Louis Area. This section compares St. Charles County to all of the counties in the St. Louis Area and to those entities that contain or substantially overlap with St. Charles County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of St. Charles County, selected other counties in the St. Louis Area, and entities that contain St. Charles County
0%5%10%15%20%25%Count#Lincoln CountyLincolnWarren CountyWarrenSt. Charles CountySt. CharlesSt. Clair CountySt. ClairJefferson CountyJeffersonWest North CentralFranklin CountyFranklinMidwestUnited States of AmericaUnited StatesMonroe CountyMonroeMissouriSt. Louis Metro AreaSt. LouisSt. Louis CountySt. LouisMadison CountyMadisonMacoupin CountyMacoupinJersey CountyJerseyClinton CountyClintonCalhoun CountyCalhounSt. Louis CitySt. LouisBond CountyBond26.327230%26.327230%26.3%14,29214.3k124.460799%24.460799%24.5%8,143224.415568%24.415568%24.4%92,74492.7k324.119532%24.119532%24.1%64,05464.1k424.043281%24.043281%24.0%53,48553.5k523.689691%23.689691%23.7%4,971,0164.97M23.540362%23.540362%23.5%24,02624.0k623.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.045426%23.045426%23.0%7,767723.023174%23.023174%23.0%1,395,1241.40M22.816573%22.816573%22.8%639,651640k22.432138%22.432138%22.4%224,447224k822.230928%22.230928%22.2%59,30359.3k921.668603%21.668603%21.7%10,07210.1k1021.425070%21.425070%21.4%4,8081121.374610%21.374610%21.4%8,0921221.039903%21.039903%21.0%1,0441320.242382%20.242382%20.2%63,97264.0k1419.851783%19.851783%19.9%3,40215
Count number of children
# rank of county out of 15 by %

Age Cohorts by County in Missouri

There are 115 counties in Missouri. This section compares St. Charles County to the 50 most populous counties in Missouri and to those entities that contain or substantially overlap with St. Charles County. The least populous of the compared counties has a population of 22,921.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of St. Charles County, selected other counties in Missouri, and entities that contain St. Charles County
0%10%20%Count#Webster CountyWebsterLincoln CountyLincolnChristian CountyChristianDunklin CountyDunklinLawrence CountyLawrenceJasper CountyJasperCass CountyCassPettis CountyPettisClay CountyClayWarren CountyWarrenSt. Charles CountySt. CharlesHowell CountyHowellLaclede CountyLacledeNewton CountyNewtonJackson CountyJacksonJefferson CountyJeffersonScott CountyScottPlatte CountyPlatteWest North CentralCrawford CountyCrawfordPolk CountyPolkMarion CountyMarionRay CountyRayMiller CountyMillerFranklin CountyFranklinTexas CountyTexasButler CountyButlerLafayette CountyLafayetteAudrain CountyAudrainMidwestWashington CountyWashingtonUnited States of AmericaUnited StatesSaline CountySalineMissouriBuchanan CountyBuchananCole CountyColeBarry CountyBarryPulaski CountyPulaskiSt. Louis Metro AreaSt. LouisRandolph CountyRandolphSt. Louis CountySt. LouisStoddard CountyStoddardJohnson CountyJohnsonCallaway CountyCallawayCape Girardeau CountyCape GirardeauSt. Francois CountySt. FrancoisTaney CountyTaneyPhelps CountyPhelpsGreene CountyGreeneBoone CountyBooneSt. Louis CitySt. LouisCamden CountyCamdenAdair CountyAdairStone CountyStoneNodaway CountyNodaway27.217802%27.217802%27.2%10,09110.1k126.327230%26.327230%26.3%14,29214.3k226.155046%26.155046%26.2%21,46121.5k325.915385%25.915385%25.9%8,104425.531358%25.531358%25.5%9,754525.408090%25.408090%25.4%29,82329.8k625.144092%25.144092%25.1%25,47725.5k725.032588%25.032588%25.0%10,56210.6k824.946061%24.946061%24.9%58,15858.2k924.460799%24.460799%24.5%8,1431024.415568%24.415568%24.4%92,74492.7k1124.353657%24.353657%24.4%9,8061224.272638%24.272638%24.3%8,6181324.219880%24.219880%24.2%14,22714.2k1424.083769%24.083769%24.1%164,647165k1524.043281%24.043281%24.0%53,48553.5k1623.983177%23.983177%24.0%9,3521723.971781%23.971781%24.0%22,76622.8k1823.689691%23.689691%23.7%4,971,0164.97M23.678957%23.678957%23.7%5,8121923.662135%23.662135%23.7%7,3622023.650288%23.650288%23.7%6,8252123.594084%23.594084%23.6%5,4082223.585622%23.585622%23.6%5,8992323.540362%23.540362%23.5%24,02624.0k2423.511094%23.511094%23.5%6,0402523.417353%23.417353%23.4%10,04310.0k2623.382842%23.382842%23.4%7,6672723.244936%23.244936%23.2%6,0132823.217458%23.217458%23.2%15,712,75815.7M23.166147%23.166147%23.2%5,7922923.108006%23.108006%23.1%73,612,43873.6M23.067976%23.067976%23.1%5,3553023.023174%23.023174%23.0%1,395,1241.40M22.971537%22.971537%23.0%20,54020.5k3122.915552%22.915552%22.9%17,55417.6k3222.905701%22.905701%22.9%8,1813322.832164%22.832164%22.8%12,17012.2k3422.816573%22.816573%22.8%639,651640k22.459232%22.459232%22.5%5,6333522.432138%22.432138%22.4%224,447224k3622.159930%22.159930%22.2%6,6013721.831492%21.831492%21.8%11,83911.8k3821.564898%21.564898%21.6%9,6383921.447323%21.447323%21.4%16,74816.7k4021.444965%21.444965%21.4%14,20314.2k4121.248584%21.248584%21.2%11,44311.4k4221.196440%21.196440%21.2%9,5034321.026173%21.026173%21.0%60,01960.0k4420.523461%20.523461%20.5%35,45935.5k4520.242382%20.242382%20.2%63,97264.0k4618.631093%18.631093%18.6%8,2264718.514894%18.514894%18.5%4,7304817.517710%17.517710%17.5%5,4654916.724572%16.724572%16.7%3,85150
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 St. Charles County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with St. Charles 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 St. Charles County, selected other counties in the United States, and entities that contain St. Charles County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSt. Charles CountySt. CharlesSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkWest North CentralFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsMidwestHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeMissouriWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesSt. Louis Metro AreaSt. LouisOrange 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%367,431367k925.043628%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%233,745234k1324.415568%24.415568%24.4%92,74492.7k24.396471%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%493,981494k1723.689691%23.689691%23.7%4,971,0164.97M23.668593%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%721,172721k2623.023174%23.023174%23.0%1,395,1241.40M22.943185%22.943185%22.9%222,372222k2722.934276%22.934276%22.9%228,599229k2822.837323%22.837323%22.8%2,296,7852.30M2922.816573%22.816573%22.8%639,651640k22.760229%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

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Principal City:
St. Charles
Cities:
Cottleville, Dardenne Prairie, Flint Hill, Foristell, Lake St. Louis, New Melle, O'Fallon, Portage Des Sioux, St. Charles, St. Paul, St. Peters, Weldon Spring, Wentzville, West Alton
Towns:
Augusta, Weldon Spring Heights
Townships:
Boone, Cottleville, Dardenne, Frontier, Harvester, Lake St. Louis, Lindenwood, O'Fallon, Rivers, Spencer Creek, St. Peters, Weldon Spring, Wentzville, Zumbehl
Unincorporated Places:
Defiance
Villages:
Josephville
ZIP Codes:
63301, 63303, 63304, 63332, 63341, 63348, 63357, 63366, 63367, 63368, 63373, 63376, 63385, 63386
Unified School Districts:
Fort Zumwalt R-II, Francis Howell R-III, Orchard Farm R-V, St. Charles R-VI, Washington, Wentzville R-IV
Congressional Districts:
MO-2, MO-3
State Senate Districts:
MO-2, MO-23
State House Districts:
MO-42, MO-63, MO-64, MO-65, MO-70, MO-102, MO-103, MO-104, MO-105, MO-106, MO-107, MO-108
Neighboring Counties:
Calhoun, Franklin, Jersey, Lincoln, Madison, St. Louis, Warren
Nearby Cities:
St. Louis
Nearby Counties:
Gasconade, Greene, Jefferson, Macoupin, Monroe, Montgomery, Pike, St. Clair, Washington