Age and Sex in Ventura County, California (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in California.
Scope: population of California, Ventura County, and other counties in California
Ventura County
California
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-416,39716.4k1.945%1.94%13,56913.6k1.609%1.61%19,40219.4k2.301%2.30%26,70726.7k3.168%3.17%21,48921.5k2.549%2.55%17,05617.1k2.023%2.02%26,91326.9k3.192%3.19%20,36620.4k2.416%2.42%57,76257.8k6.851%6.85%61,34461.3k7.276%7.28%58,10858.1k6.892%6.89%53,53953.5k6.350%6.35%53,17053.2k6.306%6.31%53,76453.8k6.377%6.38%55,73055.7k6.610%6.61%37,04137.0k4.393%4.39%10,38510.4k1.232%1.23%13,09813.1k1.554%1.55%23,10223.1k2.740%2.74%36,23336.2k4.298%4.30%58,77158.8k6.971%6.97%55,81155.8k6.620%6.62%53,35353.4k6.328%6.33%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of California and Ventura County
Female Male
California
Ventura County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.168200%-0.041236%-0.157885%-0.041886%-0.209436%0.21%0.168200%0.157885%0.168200%0.17%114,620115k13.595%13.6%-0.647626%-0.023826%-0.628107%-0.017115%-0.671452%0.67%0.647626%0.628107%0.647626%0.65%278,032278k32.977%33.0%-0.646647%-0.701647%-0.646647%0.65%0.646647%0.022634%0.701647%0.031578%0.669281%0.67%199,705200k23.687%23.7%-0.654541%-0.701652%-0.654541%0.65%0.654541%0.072262%0.701652%0.050982%0.726803%0.73%46,58546.6k5.525%5.53%-0.661335%-0.642652%-0.661335%0.66%0.661335%0.022667%0.642652%0.028379%0.684002%0.68%204,168204k24.216%24.2%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of California and Ventura County
Female Male
California
Ventura County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.043967%-0.033618%-0.039047%-0.031647%-0.077585%0.08%0.043967%0.039047%0.043967%0.04%16,39716.4k1.945%1.94%-0.135237%-0.051405%-0.138544%-0.050257%-0.186642%0.19%0.135237%0.138544%0.135237%0.14%13,56913.6k1.609%1.61%-0.204576%-0.051097%-0.194002%-0.048276%-0.255672%0.26%0.204576%0.194002%0.204576%0.20%19,40219.4k2.301%2.30%-0.295430%-0.042675%-0.278404%-0.047771%-0.338105%0.34%0.295430%0.278404%0.295430%0.30%26,70726.7k3.168%3.17%-0.400462%-0.048669%-0.369729%-0.052880%-0.449131%0.45%0.400462%0.369729%0.400462%0.40%21,48921.5k2.549%2.55%-0.487066%-0.037362%-0.447596%-0.055693%-0.524427%0.52%0.487066%0.447596%0.487066%0.49%17,05617.1k2.023%2.02%-0.509028%-0.045981%-0.489719%-0.047683%-0.555009%0.56%0.509028%0.489719%0.509028%0.51%26,91326.9k3.192%3.19%-0.586222%-0.035345%-0.556695%-0.041019%-0.621568%0.62%0.586222%0.556695%0.586222%0.59%20,36620.4k2.416%2.42%-0.669450%-0.031313%-0.610297%-0.030760%-0.700763%0.70%0.669450%0.610297%0.669450%0.67%57,76257.8k6.851%6.85%-0.714331%-0.026521%-0.672672%-0.012121%-0.740852%0.74%0.714331%0.672672%0.714331%0.71%61,34461.3k7.276%7.28%-0.682236%-0.013948%-0.669774%-0.696184%0.70%0.682236%0.669774%0.001370%0.682236%0.68%58,10858.1k6.892%6.89%-0.632207%-0.005622%-0.668957%-0.637829%0.64%0.632207%0.668957%0.000957%0.632207%0.63%53,53953.5k6.350%6.35%-0.624640%-0.012003%-0.661266%-0.636643%0.64%0.624640%0.661266%0.007922%0.624640%0.62%53,17053.2k6.306%6.31%-0.621414%-0.705425%-0.621414%0.62%0.621414%0.032546%0.705425%0.028957%0.653960%0.65%53,76453.8k6.377%6.38%-0.632420%-0.730940%-0.632420%0.63%0.632420%0.057169%0.730940%0.048142%0.689590%0.69%55,73055.7k6.610%6.61%-0.729086%-0.713830%-0.729086%0.73%0.729086%0.006286%0.713830%0.047764%0.735373%0.74%37,04137.0k4.393%4.39%-0.569677%-0.720108%-0.569677%0.57%0.569677%0.092396%0.720108%0.071664%0.662073%0.66%10,38510.4k1.232%1.23%-0.723868%-0.741386%-0.723868%0.72%0.723868%0.105799%0.741386%0.058263%0.829666%0.83%13,09813.1k1.554%1.55%-0.662310%-0.672557%-0.662310%0.66%0.662310%0.045427%0.672557%0.037001%0.707737%0.71%23,10223.1k2.740%2.74%-0.701490%-0.659372%-0.701490%0.70%0.701490%0.029534%0.659372%0.030790%0.731024%0.73%36,23336.2k4.298%4.30%-0.665061%-0.642360%-0.665061%0.67%0.665061%0.064025%0.642360%0.027891%0.729086%0.73%58,77158.8k6.971%6.97%-0.650354%-0.023224%-0.643238%-0.673578%0.67%0.650354%0.643238%0.027157%0.650354%0.65%55,81155.8k6.620%6.62%-0.621271%-0.632325%-0.621271%0.62%0.621271%0.023081%0.632325%0.028642%0.644352%0.64%53,35353.4k6.328%6.33%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of California and Ventura County
More Females More Males
California
Ventura County
80%60%40%20%0%20%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-76.462654%-81.049811%-76.462654%76.5%0.5670.5763.829%63.8%36.171%36.2%-38.010875%-36.274956%-38.010875%38.0%0.7250.7257.985%58.0%42.015%42.0%-24.976809%-24.884451%-24.976809%25.0%0.8000.8055.551%55.6%44.449%44.4%-14.445158%-17.158978%-14.445158%14.4%0.8740.8753.368%53.4%46.632%46.6%-12.153223%-14.302341%-12.153223%12.2%0.8920.8952.864%52.9%47.136%47.1%-7.670766%-12.442599%-7.670766%7.7%0.9290.9351.847%51.8%48.153%48.2%-9.033010%-9.736728%-9.033010%9.0%0.9170.9252.161%52.2%47.839%47.8%-6.029337%-7.368277%-6.029337%6.0%0.9430.9451.463%51.5%48.537%48.5%-4.677368%-5.040236%-4.677368%4.7%0.9550.9651.143%51.1%48.857%48.9%-3.712682%-1.801966%-3.712682%3.7%0.9640.9650.911%50.9%49.089%49.1%-2.044506%-2.044506%2.0%0.204484%0.9800.9850.506%50.5%49.494%49.5%-0.889272%-0.889272%0.9%0.143012%0.9910.9950.221%50.2%49.779%49.8%-1.921616%-1.921616%1.9%1.197933%0.9810.9850.476%50.5%49.524%49.5%5.237441%4.104936%5.237441%5.2%1.0521.0548.724%48.7%51.276%51.3%9.039760%6.586347%9.039760%9.0%1.0901.0947.838%47.8%52.162%52.2%0.862209%6.691182%0.862209%0.9%1.0091.0149.785%49.8%50.215%50.2%16.219030%9.951788%16.219030%16.2%1.1621.1646.249%46.2%53.751%53.8%14.615763%7.858621%14.615763%14.6%1.1461.1546.595%46.6%53.405%53.4%6.858883%5.501565%6.858883%6.9%1.0691.0748.342%48.3%51.658%51.7%4.210111%4.669609%4.210111%4.2%1.0421.0448.969%49.0%51.031%51.0%9.626908%4.341943%9.626908%9.6%1.0961.1047.704%47.7%52.296%52.3%-3.570907%-3.570907%3.6%4.221871%0.9660.9750.877%50.9%49.123%49.1%3.715158%4.529655%3.715158%3.7%1.0371.0449.088%49.1%50.912%50.9%

Map of Age Cohorts by County Subdivision in Ventura County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
11.6%15.2%18.8%22.4%26.0%29.6%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.1%3.2%4.3%5.4%6.5%7.6%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
2.8%5.0%7.2%9.3%11.5%13.7%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.3%8.1%9.8%11.4%13.1%14.9%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
8.3%9.7%11.0%12.4%13.7%15.1%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
11.1%13.3%15.5%17.7%19.8%22.0%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.3%10.6%13.9%17.2%20.5%23.8%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.9%5.7%7.5%9.3%11.1%12.9%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
2.1%2.8%3.4%4.0%4.7%5.3%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Ventura County

There are 23 places in Ventura County. This section compares all 23 of those to each other, Ventura County, and other entities that contain or substantially overlap with Ventura County.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Ventura County, selected places in Ventura County, and entities that contain Ventura County
0%10%20%30%Count#SaticoySanta PaulaFillmoreOxnardEl RioOak ParkPiruMoorparkBell CanyonOxnard, Thousand Oaks, and Ventura Metro AreaOxnard AreaVentura CountyVenturaWestPort HuenemeCaliforniaPacificUnited States of AmericaUnited StatesSimi ValleyThousand OaksOjaiSan Buenaventura (Ventura)San Buenaventura …CamarilloCasa ConejoOak ViewLake SherwoodSanta Rosa ValleySanta Rosa VlyMeiners OaksMira MonteChannel Islands BeachChannel Iss BchSanta Susana32.167832%32.167832%32.2%414129.709738%29.709738%29.7%8,997228.737574%28.737574%28.7%4,423328.168223%28.168223%28.2%57,67557.7k427.603886%27.603886%27.6%2,046527.437017%27.437017%27.4%4,084625.589744%25.589744%25.6%499724.807552%24.807552%24.8%8,830824.502084%24.502084%24.5%529924.216057%24.216057%24.2%204,168204k24.216057%24.216057%24.2%204,168204k23.760486%23.760486%23.8%17,834,66617.8M23.682545%23.682545%23.7%5,2401023.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.801009%22.801009%22.8%28,75828.8k1122.394129%22.394129%22.4%28,80428.8k1222.279383%22.279383%22.3%1,6891322.168025%22.168025%22.2%24,17824.2k1421.427285%21.427285%21.4%14,27714.3k1520.566038%20.566038%20.6%6541620.058140%20.058140%20.1%8971720.048455%20.048455%20.0%3311819.216884%19.216884%19.2%6921916.188769%16.188769%16.2%5422014.350233%14.350233%14.4%9852113.134733%13.134733%13.1%3882211.069063%11.069063%11.1%11723

Age Cohorts by County Subdivision in Ventura County

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

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of Ventura County, selected county subdivisions in Ventura County, and entities that contain Ventura County
0%10%20%Count#Santa PaulaFillmoreOxnardLas PosasMoorparkOxnard, Thousand Oaks, and Ventura Metro AreaOxnard AreaVentura CountyVenturaWestCaliforniaPacificUnited States of AmericaUnited StatesSimi ValleyThousand OaksVenturaCamarilloOjai-Mira MonteTriunfo Pass-Point MuguTriunfo Pass-Pt M…Los Padres29.563832%29.563832%29.6%9,835128.015881%28.015881%28.0%5,504227.601989%27.601989%27.6%66,82066.8k324.980320%24.980320%25.0%952424.382574%24.382574%24.4%8,994524.216057%24.216057%24.2%204,168204k24.216057%24.216057%24.2%204,168204k23.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.585296%22.585296%22.6%29,61029.6k622.279921%22.279921%22.3%35,95436.0k722.272354%22.272354%22.3%25,47225.5k822.154225%22.154225%22.2%15,49415.5k918.265847%18.265847%18.3%5,1381017.226436%17.226436%17.2%3181111.666667%11.666667%11.7%7712

Age Cohorts by County in California

There are 58 counties in California. This section compares Ventura County to the 50 most populous counties in California and to those entities that contain or substantially overlap with Ventura County. The least populous of the compared counties has a population of 21,361.

Children by County#32

Percentage of population aged 0 to 17 (%):
Scope: population of Ventura County, selected other counties in California, and entities that contain Ventura County
0%10%20%30%Count#Tulare CountyTulareMerced CountyMercedKern CountyKernFresno CountyFresnoImperial CountyImperialSan Joaquin CountySan JoaquinYuba CountyYubaMadera CountyMaderaColusa CountyColusaKings CountyKingsStanislaus CountyStanislausSan Bernardino CountySan BernardinoGlenn CountyGlennSan Benito CountySan BenitoMonterey CountyMontereyRiverside CountyRiversideSutter CountySutterSacramento CountySacramentoOxnard, Thousand Oaks, and Ventura Metro AreaOxnard AreaVentura CountyVenturaTehama CountyTehamaWestCaliforniaContra Costa CountyContra CostaPacificUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraOrange CountyOrangeSolano CountySolanoPlacer CountyPlacerLos Angeles CountyLos AngelesSanta Barbara CountySanta BarbaraSan Diego CountySan DiegoNapa CountyNapaMendocino CountyMendocinoYolo CountyYoloShasta CountyShastaSan Mateo CountySan MateoAlameda CountyAlamedaDel Norte CountyDel NorteEl Dorado CountyEl DoradoSonoma CountySonomaMarin CountyMarinLake CountyLakeButte CountyButteSiskiyou CountySiskiyouSanta Cruz CountySanta CruzHumboldt CountyHumboldtSan Luis Obispo CountySan Luis ObispoCalaveras CountyCalaverasNevada CountyNevadaTuolumne CountyTuolumneLassen CountyLassenAmador CountyAmadorSan Francisco CountySan Francisco31.582885%31.582885%31.6%143,945144k130.114981%30.114981%30.1%79,80579.8k229.467014%29.467014%29.5%256,757257k328.888866%28.888866%28.9%278,246278k428.713082%28.713082%28.7%51,34151.3k527.910500%27.910500%27.9%199,521200k627.884759%27.884759%27.9%20,60620.6k727.817117%27.817117%27.8%42,66242.7k827.788961%27.788961%27.8%5,936927.506139%27.506139%27.5%41,33141.3k1027.435111%27.435111%27.4%145,560146k1127.363518%27.363518%27.4%576,482576k1227.066057%27.066057%27.1%7,5721327.058965%27.058965%27.1%15,70815.7k1426.473439%26.473439%26.5%113,889114k1526.401700%26.401700%26.4%613,547614k1626.392470%26.392470%26.4%25,18025.2k1724.396471%24.396471%24.4%360,897361k1824.216057%24.216057%24.2%204,168204k24.216057%24.216057%24.2%204,168204k1924.056177%24.056177%24.1%15,15915.2k2023.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.527315%23.527315%23.5%260,665261k2123.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M23.087802%23.087802%23.1%435,218435k2223.024375%23.024375%23.0%721,172721k2323.007663%23.007663%23.0%98,84098.8k2422.975624%22.975624%23.0%85,14185.1k2522.837323%22.837323%22.8%2,296,7852.30M2622.501394%22.501394%22.5%98,87098.9k2722.366565%22.366565%22.4%727,664728k2821.908353%21.908353%21.9%30,85230.9k2921.786086%21.786086%21.8%19,04319.0k3021.678248%21.678248%21.7%45,45345.5k3121.660678%21.660678%21.7%38,82238.8k3221.522415%21.522415%21.5%162,440162k3321.443331%21.443331%21.4%344,212344k3421.192269%21.192269%21.2%5,8553520.986885%20.986885%21.0%38,40638.4k3620.626748%20.626748%20.6%102,675103k3720.514887%20.514887%20.5%53,20753.2k3820.332106%20.332106%20.3%13,02813.0k3920.311153%20.311153%20.3%45,47245.5k4020.245947%20.245947%20.2%8,8414120.123943%20.123943%20.1%54,52254.5k4219.528488%19.528488%19.5%26,39926.4k4318.233099%18.233099%18.2%50,81250.8k4417.956103%17.956103%18.0%8,0424517.790124%17.790124%17.8%17,54817.5k4616.677187%16.677187%16.7%8,9834716.472061%16.472061%16.5%5,2624815.542570%15.542570%15.5%5,7454913.481174%13.481174%13.5%114,628115k50

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Ventura County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Ventura County. The least populous of the compared counties has a population of 941,618.

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Ventura County, selected other counties in the United States, and entities that contain Ventura 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 CountySacramentoOxnard, Thousand Oaks, and Ventura Metro AreaOxnard AreaVentura CountyVenturaWayne CountyWayneFairfax CountyFairfaxClark CountyClarkWestFranklin CountyFranklinCaliforniaFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsPacificHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange 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%360,897361k1424.216057%24.216057%24.2%204,168204k24.216057%24.216057%24.2%204,168204k24.179435%24.179435%24.2%427,394427k1523.983328%23.983328%24.0%271,704272k1623.862053%23.862053%23.9%493,981494k1723.760486%23.760486%23.8%17,834,66617.8M23.668593%23.668593%23.7%291,625292k1823.646283%23.646283%23.6%9,140,2839.14M23.577077%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%608,369608k2223.336041%23.336041%23.3%12,102,10512.1M23.197227%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%1,186,3981.19M3122.432138%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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