Age and Sex in Fairfax County, Virginia (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Virginia.
Scope: population of Virginia, Fairfax County, and other counties in Virginia
Fairfax County
Virginia
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-414,84314.8k1.310%1.31%14,68014.7k1.296%1.30%20,62320.6k1.820%1.82%31,52231.5k2.782%2.78%27,32027.3k2.412%2.41%21,57921.6k1.905%1.90%37,19237.2k3.283%3.28%27,53427.5k2.430%2.43%76,97377.0k6.794%6.79%86,44286.4k7.630%7.63%85,09985.1k7.512%7.51%83,84183.8k7.401%7.40%82,57582.6k7.289%7.29%83,58783.6k7.378%7.38%74,97475.0k6.618%6.62%42,55642.6k3.756%3.76%11,68811.7k1.032%1.03%11,10011.1k0.980%0.98%27,05527.1k2.388%2.39%45,39345.4k4.007%4.01%73,91473.9k6.524%6.52%77,29877.3k6.823%6.82%75,09975.1k6.629%6.63%
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 Virginia and Fairfax County
Female Male
Virginia
Fairfax County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.146099%-0.027945%-0.168307%-0.046050%-0.174044%0.17%0.146099%0.168307%0.146099%0.15%130,567131k11.525%11.5%-0.685057%-0.031901%-0.653136%-0.033582%-0.716958%0.72%0.685057%0.653136%0.685057%0.69%397,081397k35.050%35.1%-0.691174%-0.675762%-0.691174%0.69%0.691174%0.008847%0.675762%0.010810%0.700021%0.70%283,692284k25.042%25.0%-0.541625%-0.699529%-0.541625%0.54%0.541625%0.016661%0.699529%0.040200%0.558286%0.56%49,84349.8k4.400%4.40%-0.650040%-0.610116%-0.650040%0.65%0.650040%0.032326%0.610116%0.026920%0.682367%0.68%271,704272k23.983%24.0%
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 Virginia and Fairfax County
Female Male
Virginia
Fairfax County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.028219%-0.025449%-0.033950%-0.035506%-0.053668%0.05%0.028219%0.033950%0.028219%0.03%14,84314.8k1.310%1.31%-0.112350%-0.034461%-0.135420%-0.059143%-0.146811%0.15%0.112350%0.135420%0.112350%0.11%14,68014.7k1.296%1.30%-0.168455%-0.027170%-0.206414%-0.051288%-0.195624%0.20%0.168455%0.206414%0.168455%0.17%20,62320.6k1.820%1.82%-0.258720%-0.039051%-0.311457%-0.056470%-0.297770%0.30%0.258720%0.311457%0.258720%0.26%31,52231.5k2.782%2.78%-0.390477%-0.022891%-0.418493%-0.054198%-0.413369%0.41%0.390477%0.418493%0.390477%0.39%27,32027.3k2.412%2.41%-0.469508%-0.013373%-0.496962%-0.046292%-0.482881%0.48%0.469508%0.496962%0.469508%0.47%21,57921.6k1.905%1.90%-0.530150%-0.034013%-0.537265%-0.053027%-0.564163%0.56%0.530150%0.537265%0.530150%0.53%37,19237.2k3.283%3.28%-0.591454%-0.032307%-0.592241%-0.052435%-0.623760%0.62%0.591454%0.592241%0.591454%0.59%27,53427.5k2.430%2.43%-0.660225%-0.038433%-0.645616%-0.047960%-0.698658%0.70%0.660225%0.645616%0.660225%0.66%76,97377.0k6.794%6.79%-0.748548%-0.028953%-0.713067%-0.031272%-0.777500%0.78%0.748548%0.713067%0.748548%0.75%86,44286.4k7.630%7.63%-0.735184%-0.031971%-0.683345%-0.024300%-0.767155%0.77%0.735184%0.683345%0.735184%0.74%85,09985.1k7.512%7.51%-0.726657%-0.026816%-0.664400%-0.011588%-0.753473%0.75%0.726657%0.664400%0.726657%0.73%83,84183.8k7.401%7.40%-0.717230%-0.023321%-0.643647%-0.007502%-0.740550%0.74%0.717230%0.643647%0.717230%0.72%82,57582.6k7.289%7.29%-0.737037%-0.001571%-0.689056%-0.738609%0.74%0.737037%0.689056%0.003557%0.737037%0.74%83,58783.6k7.378%7.38%-0.651857%-0.691662%-0.651857%0.65%0.651857%0.019878%0.691662%0.013576%0.671735%0.67%74,97475.0k6.618%6.62%-0.595352%-0.668127%-0.595352%0.60%0.595352%0.061436%0.668127%0.048807%0.656788%0.66%42,55642.6k3.756%3.76%-0.496519%-0.038662%-0.713103%-0.535181%0.54%0.496519%0.713103%0.065990%0.496519%0.50%11,68811.7k1.032%1.03%-0.489193%-0.702357%-0.489193%0.49%0.489193%0.001412%0.702357%0.049950%0.490605%0.49%11,10011.1k0.980%0.98%-0.571063%-0.691329%-0.571063%0.57%0.571063%0.051947%0.691329%0.022430%0.623010%0.62%27,05527.1k2.388%2.39%-0.647461%-0.615144%-0.647461%0.65%0.647461%0.040692%0.615144%0.026245%0.688153%0.69%45,39345.4k4.007%4.01%-0.636039%-0.608729%-0.636039%0.64%0.636039%0.032801%0.608729%0.030781%0.668840%0.67%73,91473.9k6.524%6.52%-0.668363%-0.618967%-0.668363%0.67%0.668363%0.027893%0.618967%0.021641%0.696257%0.70%77,29877.3k6.823%6.82%-0.647267%-0.599634%-0.647267%0.65%0.647267%0.031265%0.599634%0.028743%0.678532%0.68%75,09975.1k6.629%6.63%
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 Virginia and Fairfax County
More Females More Males
Virginia
Fairfax County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-90.185728%-104.585632%-90.185728%90.2%0.5260.5365.539%65.5%34.461%34.5%-30.672533%-43.674137%-30.672533%30.7%0.7650.7756.649%56.6%43.351%43.4%-16.128694%-24.847262%-16.128694%16.1%0.8610.8653.731%53.7%46.269%46.3%-15.093825%-18.130819%-15.093825%15.1%0.8690.8753.509%53.5%46.491%46.5%-5.862407%-12.950716%-5.862407%5.9%0.9450.9451.424%51.4%48.576%48.6%-2.848280%-9.314996%-2.848280%2.8%0.9720.9750.702%50.7%49.298%49.3%-6.415806%-9.869723%-6.415806%6.4%0.9400.9451.554%51.6%48.446%48.4%-5.462279%-8.853648%-5.462279%5.5%0.9480.9551.329%51.3%48.671%48.7%-5.821167%-7.428531%-5.821167%5.8%0.9450.9451.414%51.4%48.586%48.6%-3.867833%-4.385568%-3.867833%3.9%0.9630.9650.949%50.9%49.051%49.1%-4.348766%-3.556033%-4.348766%4.3%0.9580.9651.064%51.1%48.936%48.9%-3.690387%-1.744136%-3.690387%3.7%0.9640.9650.906%50.9%49.094%49.1%-3.251532%-1.165473%-3.251532%3.3%0.9690.9750.800%50.8%49.200%49.2%-0.213179%-0.213179%0.2%0.516218%0.9981.0050.053%50.1%49.947%49.9%3.049507%1.962797%3.049507%3.0%1.0301.0349.249%49.2%50.751%50.8%10.319265%7.305037%10.319265%10.3%1.1031.1047.547%47.5%52.453%52.5%-7.786667%-7.786667%7.8%9.253978%0.9280.9351.874%51.9%48.126%48.1%0.288704%7.111774%0.288704%0.3%1.0031.0049.928%49.9%50.072%50.1%9.096530%3.244476%9.096530%9.1%1.0911.0947.825%47.8%52.175%52.2%6.284935%4.266404%6.284935%6.3%1.0631.0648.477%48.5%51.523%51.5%5.157100%5.056615%5.157100%5.2%1.0521.0548.743%48.7%51.257%51.3%4.173380%3.496248%4.173380%4.2%1.0421.0448.978%49.0%51.022%51.0%4.830351%4.793363%4.830351%4.8%1.0481.0548.821%48.8%51.179%51.2%
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 Fairfax County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
21.4%22.4%23.4%24.3%25.3%26.3%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.2%4.2%5.1%6.1%7.0%8.0%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
8.5%9.7%10.9%12.1%13.3%14.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
12.2%13.4%14.5%15.6%16.8%17.9%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
13.7%14.4%15.0%15.6%16.1%16.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
12.5%13.4%14.1%14.9%15.6%16.5%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
8.5%9.4%10.2%11.1%11.9%12.8%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.44%3.85%4.26%4.66%5.07%5.48%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.23%1.66%2.08%2.51%2.93%3.36%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Fairfax County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
4%13%21%29%37%46%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%11%22%34%45%56%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
2%9%16%23%29%37%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
4%10%16%22%28%35%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
6.0%9.3%12.5%15.7%18.9%22.2%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
1.9%6.4%10.8%15.2%19.6%24.1%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0%5%10%15%21%26%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.0%4.3%8.5%12.8%17.0%21.3%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.0%4.2%8.3%12.5%16.7%20.9%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Fairfax County

There are 62 places that are fully or partially contained within Fairfax County (59 fully and 3 partially). This section compares all 62 of those to each other, Fairfax County, and other entities that contain or substantially overlap with Fairfax County.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Fairfax County, selected places in Fairfax County, and entities that contain Fairfax County
0%10%20%30%40%Count#Fort BelvoirHayfieldFort HuntFlorisFranklin FarmLaurel HillViennaChantillyKings ParkMcLeanWolf TrapGreat FallsNewingtonMcNairGrovetonWakefieldGreenbriarWoodlawnHybla ValleyMount VernonDranesvilleNewington ForestNewington FrstLortonDunn LoringCentrevilleCliftonRose HillSouth RunCrosspointeHerndonBurkeRavensworthFairfax County Public SchoolsFairfax CoFairfax CountyFairfaxSouthWashington, Arlington, and Alexandria Metro AreaWashingtonUnited States of AmericaUnited StatesKings Park WestKings Pk WVirginiaSouth AtlanticSpringfieldAnnandaleBelle HavenNorth SpringfieldN SpringfieldRestonFair LakesMerrifieldOccoquanGeorge MasonHuntington44.539249%44.539249%44.5%3,654128.250618%28.250618%28.3%1,258228.169014%28.169014%28.2%4,840328.072626%28.072626%28.1%2,211428.006009%28.006009%28.0%5,406527.471637%27.471637%27.5%2,034627.249969%27.249969%27.2%4,463727.233465%27.233465%27.2%6,621827.010881%27.010881%27.0%1,266926.909776%26.909776%26.9%13,15013.2k1026.826935%26.826935%26.8%4,4861126.719878%26.719878%26.7%4,2181226.606788%26.606788%26.6%3,6141326.206929%26.206929%26.2%5,4991426.201303%26.201303%26.2%4,2641526.132157%26.132157%26.1%3,3181626.085434%26.085434%26.1%2,2351725.824298%25.824298%25.8%5,7881825.751208%25.751208%25.8%4,1051925.743845%25.743845%25.7%3,2102025.712347%25.712347%25.7%3,0322125.697276%25.697276%25.7%3,1512225.667972%25.667972%25.7%5,1782325.667766%25.667766%25.7%2,4122425.259975%25.259975%25.3%18,46118.5k2525.114155%25.114155%25.1%552624.923693%24.923693%24.9%5,2262724.843008%24.843008%24.8%1,6222824.826509%24.826509%24.8%1,4312924.796232%24.796232%24.8%6,0543024.703240%24.703240%24.7%10,44710.4k3124.321839%24.321839%24.3%5293523.983328%23.983328%24.0%271,704272k23.983328%23.983328%24.0%271,704272k23.464217%23.464217%23.5%28,099,74328.1M23.321271%23.321271%23.3%1,402,0171.40M23.108006%23.108006%23.1%73,612,43873.6M23.059246%23.059246%23.1%3,2114022.448718%22.448718%22.4%1,865,5561.87M22.148630%22.148630%22.1%13,847,14713.8M21.988515%21.988515%22.0%6,5864421.625191%21.625191%21.6%9,3334721.446682%21.446682%21.4%1,4384821.014871%21.014871%21.0%1,6115320.113201%20.113201%20.1%12,08212.1k5720.104739%20.104739%20.1%1,5745817.564706%17.564706%17.6%2,9865916.156283%16.156283%16.2%1536014.260072%14.260072%14.3%1,4306112.791590%12.791590%12.8%1,66762
Count number of children
# rank of place out of 62 by %

Age Cohorts by County Subdivision in Fairfax County

There are 9 county subdivisions in Fairfax County. This section compares all 9 of those to each other, Fairfax County, and other entities that contain or substantially overlap with Fairfax County.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Fairfax County, selected county subdivisions in Fairfax County, and entities that contain Fairfax County
0%5%10%15%20%25%Count#SullyDranesvilleMount VernonLeeFairfax County Public SchoolsFairfax CoFairfax CountyFairfaxHunter MillSpringfieldSouthWashington, Arlington, and Alexandria Metro AreaWashingtonUnited States of AmericaUnited StatesMasonVirginiaBraddockSouth AtlanticProvidence26.255230%26.255230%26.3%33,63433.6k125.952191%25.952191%26.0%32,46132.5k225.463587%25.463587%25.5%32,87432.9k324.105541%24.105541%24.1%30,10330.1k423.983328%23.983328%24.0%271,704272k23.983328%23.983328%24.0%271,704272k23.752251%23.752251%23.8%30,07730.1k523.533181%23.533181%23.5%28,27728.3k623.464217%23.464217%23.5%28,099,74328.1M23.321271%23.321271%23.3%1,402,0171.40M23.108006%23.108006%23.1%73,612,43873.6M22.934101%22.934101%22.9%27,81727.8k722.448718%22.448718%22.4%1,865,5561.87M22.394597%22.394597%22.4%28,01928.0k822.148630%22.148630%22.1%13,847,14713.8M21.460963%21.460963%21.5%28,44228.4k9
Count number of children
# rank of county subdivision out of 9 by %

Age Cohorts by County in the Washington Area

There are 24 counties in the Washington Area. This section compares Fairfax County to all of the counties in the Washington Area and to those entities that contain or substantially overlap with Fairfax County.

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Fairfax County, selected other counties in the Washington Area, and entities that contain Fairfax County
0%10%20%Count#Loudoun CountyLoudounPrince William CountyPrince WilliamManassas Park CityManassas ParkManassas CityManassasStafford CountyStaffordSpotsylvania CountySpotsylvaniaCulpeper CountyCulpeperCharles CountyCharlesFalls Church CityFalls ChurchCalvert CountyCalvertFrederick CountyFrederickFairfax County Public SchoolsFairfax CoFairfax CountyFairfaxFauquier CountyFauquierMontgomery CountyMontgomerySouthWashington, Arlington, and Alexandria Metro AreaWashingtonUnited States of AmericaUnited StatesJefferson CountyJeffersonWarren CountyWarrenPrince George's CountyPrince George'sVirginiaSouth AtlanticClarke CountyClarkeFairfax CityFairfaxFredericksburg CityFredericksburgRappahannock CountyRappahannockAlexandria CityAlexandriaDistrict of ColumbiaArlington CountyArlington29.379889%29.379889%29.4%106,483106k128.010504%28.010504%28.0%124,263124k227.225627%27.225627%27.2%4,309326.848769%26.848769%26.8%11,04811.0k426.773583%26.773583%26.8%37,36237.4k525.800234%25.800234%25.8%33,32933.3k625.228796%25.228796%25.2%12,35012.4k724.868973%24.868973%24.9%38,38738.4k824.689270%24.689270%24.7%3,357924.238073%24.238073%24.2%21,94221.9k1023.997700%23.997700%24.0%58,42658.4k1123.983328%23.983328%24.0%271,704272k23.983328%23.983328%24.0%271,704272k1223.939728%23.939728%23.9%16,28516.3k1323.549379%23.549379%23.5%241,704242k1423.464217%23.464217%23.5%28,099,74328.1M23.321271%23.321271%23.3%1,402,0171.40M23.108006%23.108006%23.1%73,612,43873.6M22.985360%22.985360%23.0%12,76412.8k1522.781972%22.781972%22.8%8,8411622.694730%22.694730%22.7%203,729204k1722.448718%22.448718%22.4%1,865,5561.87M22.148630%22.148630%22.1%13,847,14713.8M21.625778%21.625778%21.6%3,0941820.880610%20.880610%20.9%4,9321920.820019%20.820019%20.8%5,7992018.406149%18.406149%18.4%1,3652118.030936%18.030936%18.0%27,31227.3k2217.402645%17.402645%17.4%114,685115k2317.049254%17.049254%17.0%38,54738.5k24
Count number of children
# rank of county out of 24 by %

Age Cohorts by County in Virginia

There are 133 counties in Virginia. This section compares Fairfax County to the 50 most populous counties in Virginia and to those entities that contain or substantially overlap with Fairfax County. The least populous of the compared counties has a population of 34,417.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Fairfax County, selected other counties in Virginia, and entities that contain Fairfax County
0%5%10%15%20%25%Count#Loudoun CountyLoudounPrince William CountyPrince WilliamManassas CityManassasStafford CountyStaffordSpotsylvania CountySpotsylvaniaCulpeper CountyCulpeperSuffolk CitySuffolkChesterfield CountyChesterfieldChesapeake CityChesapeakeYork CountyYorkFairfax County Public SchoolsFairfax CoFairfax CountyFairfaxFauquier CountyFauquierFrederick CountyFrederickPortsmouth CityPortsmouthHenrico CountyHenricoSouthNewport News CityNewport NewsWashington, Arlington, and Alexandria Metro AreaWashingtonUnited States of AmericaUnited StatesHanover CountyHanoverVirginia Beach CityVirginia BeachWarren CountyWarrenRockingham CountyRockinghamVirginiaOrange CountyOrangeSouth AtlanticRoanoke CityRoanokeDanville CityDanvilleHampton CityHamptonPrince George CountyPrince GeorgeIsle of Wight CountyIsle of WightHalifax CountyHalifaxBedford CountyBedfordAlbemarle CountyAlbemarleRoanoke CountyRoanokeGloucester CountyGloucesterCampbell CountyCampbellJames City CountyJames CityShenandoah CountyShenandoahNorfolk CityNorfolkWise CountyWiseHenry CountyHenryAugusta CountyAugustaPittsylvania CountyPittsylvaniaFranklin CountyFranklinTazewell CountyTazewellLynchburg CityLynchburgWashington CountyWashingtonPulaski CountyPulaskiRichmond CityRichmondAlexandria CityAlexandriaArlington CountyArlingtonMontgomery CountyMontgomeryHarrisonburg CityHarrisonburgCharlottesville CityCharlottesville29.379889%29.379889%29.4%106,483106k128.010504%28.010504%28.0%124,263124k226.848769%26.848769%26.8%11,04811.0k326.773583%26.773583%26.8%37,36237.4k425.800234%25.800234%25.8%33,32933.3k525.228796%25.228796%25.2%12,35012.4k625.103089%25.103089%25.1%21,85521.9k724.528461%24.528461%24.5%81,39581.4k824.525074%24.525074%24.5%57,19157.2k924.447466%24.447466%24.4%16,36016.4k1023.983328%23.983328%24.0%271,704272k23.983328%23.983328%24.0%271,704272k1123.939728%23.939728%23.9%16,28516.3k1223.595437%23.595437%23.6%19,42419.4k1323.540923%23.540923%23.5%22,61622.6k1423.491788%23.491788%23.5%75,62575.6k1523.464217%23.464217%23.5%28,099,74328.1M23.424336%23.424336%23.4%42,54042.5k1623.321271%23.321271%23.3%1,402,0171.40M23.108006%23.108006%23.1%73,612,43873.6M22.902377%22.902377%22.9%23,40623.4k1722.855339%22.855339%22.9%102,788103k1822.781972%22.781972%22.8%8,8411922.582784%22.582784%22.6%17,71117.7k2022.448718%22.448718%22.4%1,865,5561.87M22.183351%22.183351%22.2%7,7362122.148630%22.148630%22.1%13,847,14713.8M22.033847%22.033847%22.0%21,88621.9k2221.907460%21.907460%21.9%9,2802321.805847%21.805847%21.8%29,82829.8k2421.800658%21.800658%21.8%8,2112521.303467%21.303467%21.3%7,6752620.940377%20.940377%20.9%7,3932720.874007%20.874007%20.9%16,05916.1k2820.828099%20.828099%20.8%21,72121.7k2920.744221%20.744221%20.7%19,42819.4k3020.553200%20.553200%20.6%7,6093120.540855%20.540855%20.5%11,31011.3k3220.504868%20.504868%20.5%14,74314.7k3320.388735%20.388735%20.4%8,7383420.225945%20.225945%20.2%49,70049.7k3520.220093%20.220093%20.2%8,1033620.124883%20.124883%20.1%10,50710.5k3720.028252%20.028252%20.0%14,88714.9k3819.997756%19.997756%20.0%12,47712.5k3919.598079%19.598079%19.6%11,02011.0k4019.438744%19.438744%19.4%8,4304119.260999%19.260999%19.3%15,16915.2k4218.938089%18.938089%18.9%10,33310.3k4318.458901%18.458901%18.5%6,3534418.213062%18.213062%18.2%39,48139.5k4518.030936%18.030936%18.0%27,31227.3k4617.049254%17.049254%17.0%38,54738.5k4715.993500%15.993500%16.0%15,55015.6k4815.829470%15.829470%15.8%8,2284915.556239%15.556239%15.6%7,08450
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 Fairfax County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Fairfax County. The least populous of the compared counties has a population of 941,618.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Fairfax County, selected other counties in the United States, and entities that contain Fairfax County
0%5%10%15%20%25%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax County Public SchoolsFairfax CoFairfax CountyFairfaxClark CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaSouthKings CountyKingsWashington, Arlington, and Alexandria Metro AreaWashingtonHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookVirginiaSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaSouth AtlanticNassau CountyNassauOakland CountyOaklandPima CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaAlameda CountyAlamedaKing CountyKingMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm Beach CountyPalm BeachAllegheny CountyAlleghenyNew York CountyNew York28.888866%28.888866%28.9%278,246278k128.329602%28.329602%28.3%309,506310k227.363518%27.363518%27.4%576,482576k327.228891%27.228891%27.2%1,207,3991.21M427.104397%27.104397%27.1%527,866528k526.929187%26.929187%26.9%676,745677k626.401700%26.401700%26.4%613,547614k726.219361%26.219361%26.2%487,339487k825.573137%25.573137%25.6%367,431367k925.043628%25.043628%25.0%1,023,9211.02M1024.990987%24.990987%25.0%249,554250k1124.574361%24.574361%24.6%248,637249k1224.468076%24.468076%24.5%233,745234k1324.396471%24.396471%24.4%360,897361k1424.179435%24.179435%24.2%427,394427k1523.983328%23.983328%24.0%271,704272k23.983328%23.983328%24.0%271,704272k1623.862053%23.862053%23.9%493,981494k1723.668593%23.668593%23.7%291,625292k1823.577077%23.577077%23.6%222,006222k1923.549379%23.549379%23.5%241,704242k2023.527315%23.527315%23.5%260,665261k2123.464217%23.464217%23.5%28,099,74328.1M23.337305%23.337305%23.3%608,369608k2223.321271%23.321271%23.3%1,402,0171.40M23.197227%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%721,172721k2622.943185%22.943185%22.9%222,372222k2722.934276%22.934276%22.9%228,599229k2822.837323%22.837323%22.8%2,296,7852.30M2922.760229%22.760229%22.8%285,881286k3022.694997%22.694997%22.7%1,186,3981.19M3122.448718%22.448718%22.4%1,865,5561.87M22.432138%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%345,809346k3622.148630%22.148630%22.1%13,847,14713.8M22.141419%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

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More Maps to Explore

Principal Unincorporated Place:
Reston
Districts:
Braddock, Dranesville, Hunter Mill, Lee, Mason, Mount Vernon, Providence, Springfield, Sully
Towns:
Clifton, Herndon, Occoquan, Vienna
Unincorporated Places:
Annandale, Bailey's Crossroads, Belle Haven, Burke, Burke Centre, Centreville, Chantilly, Crosspointe, Dranesville, Dunn Loring, Fair Lakes, Fair Oaks, Fairfax Station, Floris, Fort Belvoir, Fort Hunt, Franconia, Franklin Farm, George Mason, Great Falls, Greenbriar, Groveton, Hayfield, Huntington, Hybla Valley, Idylwood, Kings Park, Kings Park West, Kingstowne, Lake Barcroft, Laurel Hill, Lincolnia, Long Branch, Lorton, Mantua, Mason Neck, McLean, McNair, Merrifield, Mount Vernon, Newington, Newington Forest, North Springfield, Oakton, Pimmit Hills, Ravensworth, Reston, Rose Hill, Seven Corners, South Run, Springfield, Tysons Corner, Wakefield, West Falls Church, West Springfield, Wolf Trap, Woodburn, Woodlawn
ZIP Codes:
20120, 20121, 20124, 20151, 20164, 20165, 20170, 20171, 20190, 20191, 20194, 22003, 22015, 22027, 22030, 22031, 22032, 22033, 22035, 22039, 22041, 22042, 22043, 22044, 22046, 22060, 22066, 22079, 22101, 22102, 22124, 22150, 22151, 22152, 22153, 22180, 22181, 22182, 22185, 22207, 22302, 22303, 22304, 22306, 22307, 22308, 22309, 22310, 22311, 22312, 22315
Unified School District:
Fairfax County
Congressional Districts:
VA-8, VA-10, VA-11
State Senate Districts:
VA-30, VA-31, VA-32, VA-33, VA-34, VA-35, VA-36, VA-37, VA-39
State House Districts:
VA-34, VA-35, VA-36, VA-37, VA-38, VA-39, VA-40, VA-41, VA-42, VA-43, VA-44, VA-45, VA-47, VA-48, VA-49, VA-53, VA-67, VA-86, VA-87
Neighboring Cities:
Alexandria, Fairfax, Falls Church
Neighboring Counties:
Arlington, Charles, District of Columbia, Loudoun, Montgomery, Prince George's, Prince William
Nearby Cities:
Fredericksburg, Manassas, Manassas Park
Nearby Counties:
Anne Arundel, Clarke, Culpeper, Fauquier, Howard, King George, Stafford