Age and Sex in Jefferson 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, Jefferson County, and other counties in Missouri
Jefferson County
Missouri
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-42,5971.167%1.17%3,4361.545%1.54%5,0072.251%2.25%7,9513.574%3.57%5,8372.624%2.62%4,7452.133%2.13%7,4543.351%3.35%6,0092.701%2.70%16,69716.7k7.506%7.51%18,02518.0k8.103%8.10%15,72715.7k7.070%7.07%14,37014.4k6.460%6.46%14,81314.8k6.659%6.66%14,79114.8k6.649%6.65%13,74613.7k6.179%6.18%7,4473.348%3.35%2,8481.280%1.28%2,8051.261%1.26%4,6632.096%2.10%9,2384.153%4.15%14,35514.4k6.453%6.45%16,09616.1k7.236%7.24%13,79613.8k6.202%6.20%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Missouri and Jefferson County
Female Male
Missouri
Jefferson County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.167139%-0.035001%-0.186594%-0.053100%-0.202140%0.20%0.167139%0.186594%0.167139%0.17%29,57329.6k13.294%13.3%-0.694727%-0.018161%-0.638228%-0.029300%-0.712888%0.71%0.694727%0.638228%0.694727%0.69%78,28278.3k35.190%35.2%-0.625076%-0.646272%-0.625076%0.63%0.625076%0.018456%0.646272%0.003561%0.643532%0.64%50,79750.8k22.835%22.8%-0.561130%-0.687325%-0.561130%0.56%0.561130%0.037086%0.687325%0.039524%0.598216%0.60%10,31610.3k4.637%4.64%-0.649251%-0.624065%-0.649251%0.65%0.649251%0.037236%0.624065%0.030935%0.686487%0.69%53,48553.5k24.043%24.0%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Missouri and Jefferson County
Female Male
Missouri
Jefferson County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.023657%-0.025651%-0.042583%-0.040457%-0.049308%0.05%0.023657%0.042583%0.023657%0.02%2,5971.167%1.17%-0.134590%-0.039739%-0.161300%-0.075961%-0.174329%0.17%0.134590%0.161300%0.134590%0.13%3,4361.545%1.54%-0.208044%-0.034075%-0.237525%-0.063868%-0.242119%0.24%0.208044%0.237525%0.208044%0.21%5,0072.251%2.25%-0.329418%-0.056012%-0.340878%-0.060211%-0.385430%0.39%0.329418%0.340878%0.329418%0.33%7,9513.574%3.57%-0.416268%-0.042106%-0.438513%-0.048375%-0.458374%0.46%0.416268%0.438513%0.416268%0.42%5,8372.624%2.62%-0.514715%-0.037086%-0.510995%-0.059475%-0.551802%0.55%0.514715%0.510995%0.514715%0.51%4,7452.133%2.13%-0.550678%-0.561936%-0.054349%-0.550678%0.55%0.550678%0.015584%0.561936%0.566262%0.57%7,4543.351%3.35%-0.670928%-0.008766%-0.631423%-0.019374%-0.679694%0.68%0.670928%0.631423%0.670928%0.67%6,0092.701%2.70%-0.728873%-0.043425%-0.668831%-0.053577%-0.772298%0.77%0.728873%0.668831%0.728873%0.73%16,69716.7k7.506%7.51%-0.808620%-0.003327%-0.709176%-0.020717%-0.811947%0.81%0.808620%0.709176%0.808620%0.81%18,02518.0k8.103%8.10%-0.696686%-0.020589%-0.627607%-0.015031%-0.717275%0.72%0.696686%0.627607%0.696686%0.70%15,72715.7k7.070%7.07%-0.631324%-0.029310%-0.595797%-0.016816%-0.660634%0.66%0.631324%0.595797%0.631324%0.63%14,37014.4k6.460%6.46%-0.652902%-0.600714%-0.652902%0.65%0.652902%0.025983%0.600714%0.003614%0.678885%0.68%14,81314.8k6.659%6.66%-0.660634%-0.654635%-0.003990%-0.660634%0.66%0.660634%0.008541%0.654635%0.669175%0.67%14,79114.8k6.649%6.65%-0.610556%-0.662038%-0.610556%0.61%0.610556%0.014745%0.662038%0.003835%0.625301%0.63%13,74613.7k6.179%6.18%-0.543635%-0.675336%-0.543635%0.54%0.543635%0.028620%0.675336%0.015600%0.572256%0.57%7,4473.348%3.35%-0.586191%-0.729184%-0.586191%0.59%0.586191%0.107888%0.729184%0.005116%0.694079%0.69%2,8481.280%1.28%-0.616759%-0.027422%-0.727583%-0.644181%0.64%0.616759%0.727583%0.068601%0.616759%0.62%2,8051.261%1.26%-0.507073%-0.646267%-0.507073%0.51%0.507073%0.033940%0.646267%0.042189%0.541013%0.54%4,6632.096%2.10%-0.670404%-0.640257%-0.670404%0.67%0.670404%0.043455%0.640257%0.032923%0.713859%0.71%9,2384.153%4.15%-0.633123%-0.630677%-0.633123%0.63%0.633123%0.024365%0.630677%0.033794%0.657487%0.66%14,35514.4k6.453%6.45%-0.700013%-0.629993%-0.700013%0.70%0.700013%0.047111%0.629993%0.027011%0.747124%0.75%16,09616.1k7.236%7.24%-0.601925%-0.601810%-0.601925%0.60%0.601925%0.036502%0.601810%0.030807%0.638427%0.64%13,79613.8k6.202%6.20%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Missouri and Jefferson County
More Females More Males
Missouri
Jefferson County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-108.432304%-95.007993%-108.432304%108.4%0.4800.4867.578%67.6%32.422%32.4%-29.525718%-47.093368%-29.525718%29.5%0.7720.7756.432%56.4%43.568%43.6%-16.378565%-26.889087%-16.378565%16.4%0.8590.8653.785%53.8%46.215%46.2%-17.003275%-17.663633%-17.003275%17.0%0.8550.8553.918%53.9%46.082%46.1%-10.115191%-11.031524%-10.115191%10.1%0.9080.9152.407%52.4%47.593%47.6%-7.205240%-11.639135%-7.205240%7.2%0.9330.9351.739%51.7%48.261%48.3%-9.671672%2.829932%2.829932%2.8%1.0281.0349.302%49.3%50.698%50.7%-1.306533%-3.068318%-1.306533%1.3%0.9870.9950.325%50.3%49.675%49.7%-5.957814%-8.010600%-5.957814%6.0%0.9440.9451.446%51.4%48.554%48.6%-0.411385%-2.921328%-0.411385%0.4%0.9961.0050.103%50.1%49.897%49.9%-2.955220%-2.394901%-2.955220%3.0%0.9710.9750.728%50.7%49.272%49.3%-4.642552%-2.822464%-4.642552%4.6%0.9560.9651.134%51.1%48.866%48.9%3.979620%0.601629%3.979620%4.0%1.0401.0449.025%49.0%50.975%51.0%-0.609550%1.292869%1.292869%1.3%1.0131.0149.679%49.7%50.321%50.3%2.414961%0.579303%2.414961%2.4%1.0241.0249.403%49.4%50.597%50.6%5.264609%2.310029%5.264609%5.3%1.0531.0548.718%48.7%51.282%51.3%18.404908%0.701580%18.404908%18.4%1.1841.1845.787%45.8%54.213%54.2%-4.446064%-4.446064%4.4%9.428656%0.9570.9651.087%51.1%48.913%48.9%6.693262%6.528095%6.693262%6.7%1.0671.0748.381%48.4%51.619%51.6%6.481895%5.142106%6.481895%6.5%1.0651.0648.430%48.4%51.570%51.6%3.848339%5.358376%3.848339%3.8%1.0381.0449.056%49.1%50.944%50.9%6.730028%4.287578%6.730028%6.7%1.0671.0748.372%48.4%51.628%51.6%6.064227%5.119065%6.064227%6.1%1.0611.0648.529%48.5%51.471%51.5%

Map of Age Cohorts by County Subdivision in Jefferson County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
20.6%22.0%23.3%24.6%25.9%27.3%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.6%4.2%4.8%5.4%5.9%6.5%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
7.1%8.0%8.8%9.7%10.6%11.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
9.7%10.9%12.0%13.1%14.2%15.3%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.3%11.5%12.6%13.7%14.9%16.0%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
13.4%14.7%15.9%17.1%18.3%19.6%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
8.6%9.4%10.3%11.1%11.9%12.8%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.5%4.3%5.0%5.7%6.5%7.2%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.3%2.1%2.8%3.6%4.4%5.2%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Jefferson County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
18.7%20.9%23.0%25.2%27.3%29.5%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.4%3.6%4.8%6.0%7.2%8.4%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.5%7.5%9.5%11.4%13.4%15.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
8.8%10.9%13.0%15.0%17.0%19.1%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
8.0%10.0%12.0%14.0%15.9%17.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
10.9%13.3%15.6%17.9%20.3%22.6%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
7.3%9.2%11.0%12.9%14.7%16.6%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.6%4.1%5.6%7.1%8.6%10.1%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.4%1.7%2.9%4.2%5.5%6.8%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Jefferson County

Children Age Cohorts by Block Group#23

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

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%4.7%9.5%14.2%19.0%23.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.9%9.7%14.6%19.4%24.3%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
2%10%18%25%32%40%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%5%11%16%22%27%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
5%15%24%33%42%51%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%6%12%18%24%31%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%3.5%7.1%10.6%14.2%17.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%3.1%6.1%9.2%12.3%15.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Jefferson County

There are 22 places in Jefferson County. This section compares all 22 of those to each other, Jefferson County, and other entities that contain or substantially overlap with Jefferson County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected places in Jefferson County, and entities that contain Jefferson County
0%10%20%Count#HillsboroOlympian VillageOlympian VlgHerculaneumBarnhartPevelyCedar HillFestusDe SotoMurphyLaBarque CreekLaBarque CrkJefferson CountyJeffersonImperialWest North CentralMidwestUnited States of AmericaUnited StatesScotsdaleMissouriArnoldKimmswickSt. Louis Metro AreaSt. LouisCrystal CityHorineByrnes MillHigh RidgeParkdaleLake TekakwithaLk TekakwithaCedar Hill LakesCedar Hl LksPeaceful VillagePeaceful Vlg28.189028%28.189028%28.2%853127.245509%27.245509%27.2%182227.068650%27.068650%27.1%1,037326.432653%26.432653%26.4%1,619425.623219%25.623219%25.6%1,439525.562260%25.562260%25.6%466625.425434%25.425434%25.4%3,033724.311785%24.311785%24.3%1,572824.132782%24.132782%24.1%2,101924.130773%24.130773%24.1%4651024.043281%24.043281%24.0%53,48553.5k23.804441%23.804441%23.8%1,1151123.689691%23.689691%23.7%4,971,0164.97M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.076923%23.076923%23.1%481223.023174%23.023174%23.0%1,395,1241.40M22.999623%22.999623%23.0%4,8751322.818792%22.818792%22.8%341422.816573%22.816573%22.8%639,651640k21.731047%21.731047%21.7%1,0521521.538462%21.538462%21.5%2521620.793818%20.793818%20.8%5921719.479495%19.479495%19.5%7411815.263158%15.263158%15.3%291913.675214%13.675214%13.7%322011.111111%11.111111%11.1%22210.000000%0.000000%0.0%022

Age Cohorts by County Subdivision in Jefferson County

There are 12 county subdivisions in Jefferson County. This section compares all 12 of those to each other, Jefferson County, and other entities that contain or substantially overlap with Jefferson County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected county subdivisions in Jefferson County, and entities that contain Jefferson County
0%10%20%Count#Imperial TownshipImperialRock TownshipBig River TownshipBig RivRiver View TownshipRiv VwValle TownshipValleJefferson CountyJeffersonMeramec TownshipMeramecWest North CentralPlattin TownshipPlattinMidwestUnited States of AmericaUnited StatesMissouriArnold TownshipArnoldSt. Louis Metro AreaSt. LouisWindsor TownshipWindsorHigh Ridge TownshipHigh RdgJoachim TownshipJoachimCentral TownshipCntrl27.253507%27.253507%27.3%6,703126.063348%26.063348%26.1%8,352225.167070%25.167070%25.2%1,770324.731119%24.731119%24.7%4,162424.146278%24.146278%24.1%3,691524.043281%24.043281%24.0%53,48553.5k23.899573%23.899573%23.9%4,474623.689691%23.689691%23.7%4,971,0164.97M23.573752%23.573752%23.6%2,971723.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M22.999623%22.999623%23.0%4,875822.816573%22.816573%22.8%639,651640k22.671770%22.671770%22.7%4,976922.642004%22.642004%22.6%4,3211022.506958%22.506958%22.5%4,2861120.638192%20.638192%20.6%2,90412

Age Cohorts by County in the St. Louis Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Jefferson County, selected other counties in the St. Louis Area, and entities that contain Jefferson 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

Age Cohorts by County in Missouri

There are 115 counties in Missouri. This section compares Jefferson County to the 50 most populous counties in Missouri and to those entities that contain or substantially overlap with Jefferson 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 Jefferson County, selected other counties in Missouri, and entities that contain Jefferson 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

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Jefferson County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Jefferson 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 Jefferson County, selected other counties in the United States, and entities that contain Jefferson County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneJefferson CountyJeffersonFairfax 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%233,745234k1324.396471%24.396471%24.4%360,897361k1424.179435%24.179435%24.2%427,394427k1524.043281%24.043281%24.0%53,48553.5k23.983328%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

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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