Age and Sex in Loudoun 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, Loudoun County, and other counties in Virginia
Loudoun County
Virginia
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43,0010.828%0.83%3,4060.940%0.94%4,8141.328%1.33%7,0311.940%1.94%5,7571.588%1.59%5,0211.385%1.39%7,9482.193%2.19%6,5791.815%1.82%19,71019.7k5.438%5.44%26,92526.9k7.429%7.43%30,65530.7k8.458%8.46%33,11833.1k9.138%9.14%30,71830.7k8.475%8.48%27,23227.2k7.514%7.51%18,91918.9k5.220%5.22%11,63611.6k3.211%3.21%2,9840.823%0.82%2,5470.703%0.70%7,9512.194%2.19%16,35516.4k4.513%4.51%30,74530.7k8.483%8.48%31,33131.3k8.645%8.64%28,05228.1k7.740%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

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Virginia and Loudoun County
Female Male
Virginia
Loudoun County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.098025%-0.026442%-0.168307%-0.046050%-0.124467%0.12%0.098025%0.168307%0.098025%0.10%29,03029.0k8.010%8.01%-0.683179%-0.653136%-0.033582%-0.683179%0.68%0.683179%0.012482%0.653136%0.695661%0.70%124,935125k34.471%34.5%-0.651351%-0.053941%-0.675762%-0.705291%0.71%0.651351%0.675762%0.010810%0.651351%0.65%88,50588.5k24.420%24.4%-0.450426%-0.699529%-0.450426%0.45%0.450426%0.029109%0.699529%0.040200%0.479534%0.48%13,48213.5k3.720%3.72%-0.803761%-0.610116%-0.803761%0.80%0.803761%0.024694%0.610116%0.026920%0.828455%0.83%106,483106k29.380%29.4%
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 Virginia and Loudoun County
Female Male
Virginia
Loudoun County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.018124%-0.015503%-0.033950%-0.035506%-0.033627%0.03%0.018124%0.033950%0.018124%0.02%3,0010.828%0.83%-0.078304%-0.031344%-0.135420%-0.059143%-0.109647%0.11%0.078304%0.135420%0.078304%0.08%3,4060.940%0.94%-0.114945%-0.035758%-0.206414%-0.051288%-0.150703%0.15%0.114945%0.206414%0.114945%0.11%4,8141.328%1.33%-0.167037%-0.053913%-0.311457%-0.056470%-0.220950%0.22%0.167037%0.311457%0.167037%0.17%7,0311.940%1.94%-0.243354%-0.042766%-0.418493%-0.054198%-0.286120%0.29%0.243354%0.418493%0.243354%0.24%5,7571.588%1.59%-0.338957%-0.496962%-0.046292%-0.338957%0.34%0.338957%0.014761%0.496962%0.353719%0.35%5,0211.385%1.39%-0.350132%-0.537265%-0.053027%-0.350132%0.35%0.350132%0.030718%0.537265%0.380850%0.38%7,9482.193%2.19%-0.452909%-0.592241%-0.052435%-0.452909%0.45%0.452909%0.001793%0.592241%0.454702%0.45%6,5791.815%1.82%-0.525832%-0.035979%-0.645616%-0.047960%-0.561811%0.56%0.525832%0.645616%0.525832%0.53%19,71019.7k5.438%5.44%-0.725813%-0.713067%-0.031272%-0.725813%0.73%0.725813%0.034158%0.713067%0.759971%0.76%26,92526.9k7.429%7.43%-0.845559%-0.000497%-0.683345%-0.024300%-0.846055%0.85%0.845559%0.683345%0.845559%0.85%30,65530.7k8.458%8.46%-0.890974%-0.664400%-0.011588%-0.890974%0.89%0.890974%0.045581%0.664400%0.936554%0.94%33,11833.1k9.138%9.14%-0.802847%-0.089395%-0.643647%-0.007502%-0.892243%0.89%0.802847%0.643647%0.802847%0.80%30,71830.7k8.475%8.48%-0.705395%-0.091934%-0.689056%-0.797329%0.80%0.705395%0.689056%0.003557%0.705395%0.71%27,23227.2k7.514%7.51%-0.506132%-0.031730%-0.691662%-0.537862%0.54%0.506132%0.691662%0.013576%0.506132%0.51%18,91918.9k5.220%5.22%-0.519357%-0.668127%-0.519357%0.52%0.519357%0.031454%0.668127%0.048807%0.550811%0.55%11,63611.6k3.211%3.21%-0.379654%-0.064011%-0.713103%-0.443666%0.44%0.379654%0.713103%0.065990%0.379654%0.38%2,9840.823%0.82%-0.304882%-0.702357%-0.304882%0.30%0.304882%0.092982%0.702357%0.049950%0.397864%0.40%2,5470.703%0.70%-0.526577%-0.691329%-0.526577%0.53%0.526577%0.043732%0.691329%0.022430%0.570309%0.57%7,9512.194%2.19%-0.742754%-0.615144%-0.742754%0.74%0.742754%0.018670%0.615144%0.026245%0.761424%0.76%16,35516.4k4.513%4.51%-0.839985%-0.016610%-0.608729%-0.856595%0.86%0.839985%0.608729%0.030781%0.839985%0.84%30,74530.7k8.483%8.48%-0.835019%-0.618967%-0.835019%0.84%0.835019%0.058880%0.618967%0.021641%0.893898%0.89%31,33131.3k8.645%8.64%-0.756274%-0.599634%-0.756274%0.76%0.756274%0.035427%0.599634%0.028743%0.791701%0.79%28,05228.1k7.740%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

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Virginia and Loudoun County
More Females More Males
Virginia
Loudoun County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-85.537583%-104.585632%-85.537583%85.5%0.5390.5464.978%65.0%35.022%35.0%-40.028189%-43.674137%-40.028189%40.0%0.7140.7158.338%58.3%41.662%41.7%-31.108977%-24.847262%-31.108977%31.1%0.7630.7656.730%56.7%43.270%43.3%-32.276181%-18.130819%-32.276181%32.3%0.7560.7656.948%56.9%43.052%43.1%-17.573696%-12.950716%-17.573696%17.6%0.8510.8554.039%54.0%45.961%46.0%-9.314996%4.354904%4.354904%4.4%1.0441.0448.934%48.9%51.066%51.1%-9.869723%8.773312%8.773312%8.8%1.0881.0947.899%47.9%52.101%52.1%-8.853648%0.395979%0.395979%0.4%1.0041.0049.901%49.9%50.099%50.1%-6.842271%-7.428531%-6.842271%6.8%0.9360.9451.654%51.7%48.346%48.3%-4.385568%4.706151%4.706151%4.7%1.0471.0548.851%48.9%51.149%51.1%-0.058735%-3.556033%-0.058735%0.1%0.9991.0050.015%50.0%49.985%50.0%-1.744136%5.115818%5.115818%5.1%1.0511.0548.753%48.8%51.247%51.2%-11.134786%-1.165473%-11.134786%11.1%0.9000.9052.637%52.6%47.363%47.4%-13.032934%-13.032934%13.0%0.516218%0.8850.8853.059%53.1%46.941%46.9%-6.269080%-6.269080%6.3%1.962797%0.9410.9451.520%51.5%48.480%48.5%6.056313%7.305037%6.056313%6.1%1.0611.0648.530%48.5%51.470%51.5%-16.860465%-16.860465%16.9%9.253978%0.8560.8653.887%53.9%46.113%46.1%30.497738%7.111774%30.497738%30.5%1.3051.3043.384%43.4%56.616%56.6%8.304952%3.244476%8.304952%8.3%1.0831.0848.007%48.0%51.993%52.0%2.513621%4.266404%2.513621%2.5%1.0251.0349.379%49.4%50.621%50.6%-1.977401%-1.977401%2.0%5.056615%0.9810.9850.490%50.5%49.510%49.5%7.051282%3.496248%7.051282%7.1%1.0711.0748.297%48.3%51.703%51.7%4.684422%4.793363%4.684422%4.7%1.0471.0548.856%48.9%51.144%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 Loudoun County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
25.0%26.7%28.4%30.1%31.8%33.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.80%3.23%3.66%4.09%4.51%4.95%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
5.7%6.9%8.0%9.1%10.3%11.4%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
10.4%12.2%13.9%15.6%17.3%19.1%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
14.8%16.0%17.1%18.3%19.4%20.6%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.8%12.0%13.1%14.2%15.3%16.5%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
4.4%5.3%6.2%7.1%8.0%9.0%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
2.0%2.6%3.2%3.8%4.3%4.9%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.42%0.80%1.17%1.54%1.91%2.28%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Loudoun County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
5%12%19%25%32%39%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0.0%1.4%2.8%4.1%5.5%7.0%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
2.0%6.3%10.5%14.7%18.9%23.2%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
2%8%13%19%24%30%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
2.7%7.2%11.7%16.2%20.7%25.3%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
4.7%9.0%13.1%17.3%21.5%25.7%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
2.6%6.8%10.9%15.0%19.1%23.3%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0%6%12%17%23%29%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0%7%13%20%27%34%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Loudoun County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%8%16%24%32%41%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%3.2%6.4%9.7%12.9%16.1%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%8%16%23%31%39%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%7%14%20%27%34%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%6%12%19%25%32%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
1%8%14%21%27%34%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%9%17%24%32%41%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0%6%12%17%23%30%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%12%25%37%50%63%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Loudoun County

There are 26 places that are fully or partially contained within Loudoun County (25 fully and 1 partially). This section compares all 26 of those to each other, Loudoun County, and other entities that contain or substantially overlap with Loudoun County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Loudoun County, selected places in Loudoun County, and entities that contain Loudoun County
0%10%20%30%Count#BroadlandsBrambletonLoudoun Valley EstatesLoudoun Vly EstsStone RidgeBelmontSouth RidingLovettsvillePurcellvilleLoudoun County Public SchoolsLoudoun CoLoudoun CountyLoudounLeesburgLowes IslandAshburnDulles Town CenterDulles Town CtrMoorefield StationRound HillHillsboroLansdowneSugarland RunOak GroveCascadesHerndonSterlingSouthWashington, Arlington, and Alexandria Metro AreaWashingtonCountrysideUnited States of AmericaUnited StatesVirginiaSouth AtlanticMiddleburgUniversity CenterUniv CtrHamiltonArcola37.276528%37.276528%37.3%5,171136.863389%36.863389%36.9%6,290235.324930%35.324930%35.3%2,158335.204786%35.204786%35.2%3,825434.560358%34.560358%34.6%2,319533.746087%33.746087%33.7%9,811633.158397%33.158397%33.2%695732.779897%32.779897%32.8%2,922829.379889%29.379889%29.4%106,483106k29.379889%29.379889%29.4%106,483106k28.882006%28.882006%28.9%14,26814.3k928.808766%28.808766%28.8%3,2601028.491508%28.491508%28.5%14,15814.2k1127.798225%27.798225%27.8%1,2841227.092846%27.092846%27.1%3561326.666667%26.666667%26.7%1521426.530612%26.530612%26.5%261526.494635%26.494635%26.5%3,1111625.521281%25.521281%25.5%3,2681725.380461%25.380461%25.4%5171824.973372%24.973372%25.0%3,0481924.796232%24.796232%24.8%6,0542024.782917%24.782917%24.8%7,3352123.464217%23.464217%23.5%28,099,74328.1M23.321271%23.321271%23.3%1,402,0171.40M23.156990%23.156990%23.2%2,4252223.108006%23.108006%23.1%73,612,43873.6M22.448718%22.448718%22.4%1,865,5561.87M22.148630%22.148630%22.1%13,847,14713.8M20.274390%20.274390%20.3%1332319.761075%19.761075%19.8%7942415.625000%15.625000%15.6%702511.522634%11.522634%11.5%2826
Count number of children
# rank of place out of 26 by %

Age Cohorts by County Subdivision in Loudoun County

There are 8 county subdivisions in Loudoun County. This section compares all 8 of those to each other, Loudoun County, and other entities that contain or substantially overlap with Loudoun County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Loudoun County, selected county subdivisions in Loudoun County, and entities that contain Loudoun County
0%10%20%30%Count#DullesBlue RidgeAshburnBroad RunLoudoun County Public SchoolsLoudoun CoLoudoun CountyLoudounCatoctinLeesburgSterlingAlgonkianSouthWashington, Arlington, and Alexandria Metro AreaWashingtonUnited States of AmericaUnited StatesVirginiaSouth Atlantic33.438462%33.438462%33.4%17,38817.4k132.675260%32.675260%32.7%17,21317.2k230.377305%30.377305%30.4%12,75312.8k329.587025%29.587025%29.6%13,42613.4k429.379889%29.379889%29.4%106,483106k29.379889%29.379889%29.4%106,483106k28.635657%28.635657%28.6%11,97412.0k528.420865%28.420865%28.4%12,78212.8k625.084287%25.084287%25.1%10,19310.2k725.025598%25.025598%25.0%10,75410.8k823.464217%23.464217%23.5%28,099,74328.1M23.321271%23.321271%23.3%1,402,0171.40M23.108006%23.108006%23.1%73,612,43873.6M22.448718%22.448718%22.4%1,865,5561.87M22.148630%22.148630%22.1%13,847,14713.8M
Count number of children
# rank of county subdivision out of 8 by %

Age Cohorts by County in the Washington Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Loudoun County, selected other counties in the Washington Area, and entities that contain Loudoun County
0%10%20%Count#Loudoun County Public SchoolsLoudoun CoLoudoun CountyLoudounPrince William CountyPrince WilliamManassas Park CityManassas ParkManassas CityManassasStafford CountyStaffordSpotsylvania CountySpotsylvaniaCulpeper CountyCulpeperCharles CountyCharlesFalls Church CityFalls ChurchCalvert CountyCalvertFrederick CountyFrederickFairfax 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%106,483106k29.379889%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%271,704272k1223.939728%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 Loudoun County to the 50 most populous counties in Virginia and to those entities that contain or substantially overlap with Loudoun County. The least populous of the compared counties has a population of 34,417.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Loudoun County, selected other counties in Virginia, and entities that contain Loudoun County
0%5%10%15%20%25%Count#Loudoun County Public SchoolsLoudoun CoLoudoun CountyLoudounPrince William CountyPrince WilliamManassas CityManassasStafford CountyStaffordSpotsylvania CountySpotsylvaniaCulpeper CountyCulpeperSuffolk CitySuffolkChesterfield CountyChesterfieldChesapeake CityChesapeakeYork CountyYorkFairfax 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%106,483106k29.379889%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%271,704272k1123.939728%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 Loudoun County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Loudoun 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 Loudoun County, selected other counties in the United States, and entities that contain Loudoun County
0%5%10%15%20%25%Count#Loudoun County Public SchoolsLoudoun CoLoudoun CountyLoudounFresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax 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 York29.379889%29.379889%29.4%106,483106k29.379889%29.379889%29.4%106,483106k28.888866%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%271,704272k1623.862053%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

Demographics

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More Maps to Explore

Districts:
Algonkian, Ashburn, Blue Ridge, Broad Run, Catoctin, Dulles, Leesburg, Sterling
Towns:
Hamilton, Herndon, Hillsboro, Leesburg, Lovettsville, Middleburg, Purcellville, Round Hill
Unincorporated Places:
Arcola, Ashburn, Belmont, Brambleton, Broadlands, Cascades, Countryside, Dulles Town Center, Lansdowne, Loudoun Valley Estates, Lowes Island, Moorefield Station, Oak Grove, South Riding, Sterling, Stone Ridge, Sugarland Run, University Center
ZIP Codes:
20105, 20117, 20118, 20120, 20129, 20130, 20132, 20135, 20141, 20147, 20148, 20152, 20158, 20164, 20165, 20166, 20170, 20175, 20176, 20180, 20184, 20197, 22066
Unified School District:
Loudoun County
Congressional District:
VA-10
State Senate Districts:
VA-13, VA-27, VA-31, VA-33
State House Districts:
VA-10, VA-32, VA-33, VA-34, VA-67, VA-86, VA-87
Neighboring Counties:
Clarke, Fairfax, Fauquier, Frederick, Jefferson, Montgomery, Prince William, Washington
Nearby Cities:
Alexandria, Fairfax, Falls Church, Manassas, Manassas Park, Winchester
Nearby Counties:
Arlington, Berkeley, Frederick, Warren