Age and Sex in Alameda 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, Alameda County, and other counties in California
Alameda County
California
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-427,51327.5k1.714%1.71%24,86124.9k1.549%1.55%31,96432.0k1.991%1.99%46,27046.3k2.882%2.88%38,05238.1k2.371%2.37%31,03931.0k1.934%1.93%51,60351.6k3.215%3.21%37,35837.4k2.327%2.33%104,823105k6.530%6.53%112,863113k7.031%7.03%112,263112k6.994%6.99%120,054120k7.479%7.48%117,793118k7.338%7.34%129,267129k8.053%8.05%127,556128k7.946%7.95%66,90666.9k4.168%4.17%21,24121.2k1.323%1.32%19,72819.7k1.229%1.23%39,85139.9k2.483%2.48%55,19655.2k3.439%3.44%94,14994.1k5.865%5.87%97,29597.3k6.061%6.06%97,57297.6k6.078%6.08%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of California and Alameda County
Female Male
California
Alameda County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.150239%-0.045094%-0.157885%-0.041886%-0.195334%0.20%0.150239%0.157885%0.150239%0.15%199,699200k12.441%12.4%-0.661306%-0.020418%-0.628107%-0.017115%-0.681725%0.68%0.661306%0.628107%0.661306%0.66%538,964539k33.576%33.6%-0.756454%-0.015173%-0.701647%-0.771626%0.77%0.756454%0.701647%0.031578%0.756454%0.76%441,522442k27.505%27.5%-0.625647%-0.007413%-0.701652%-0.633061%0.63%0.625647%0.701652%0.050982%0.625647%0.63%80,82080.8k5.035%5.03%-0.582919%-0.642652%-0.582919%0.58%0.582919%0.025459%0.642652%0.028379%0.608377%0.61%344,212344k21.443%21.4%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of California and Alameda County
Female Male
California
Alameda County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.037183%-0.032756%-0.039047%-0.031647%-0.069940%0.07%0.037183%0.039047%0.037183%0.04%27,51327.5k1.714%1.71%-0.127796%-0.054161%-0.138544%-0.050257%-0.181957%0.18%0.127796%0.138544%0.127796%0.13%24,86124.9k1.549%1.55%-0.171603%-0.055046%-0.194002%-0.048276%-0.226648%0.23%0.171603%0.194002%0.171603%0.17%31,96432.0k1.991%1.99%-0.257548%-0.061400%-0.278404%-0.047771%-0.318948%0.32%0.257548%0.278404%0.257548%0.26%46,27046.3k2.882%2.88%-0.373304%-0.043566%-0.369729%-0.052880%-0.416870%0.42%0.373304%0.369729%0.373304%0.37%38,05238.1k2.371%2.37%-0.454518%-0.057780%-0.447596%-0.055693%-0.512298%0.51%0.454518%0.447596%0.454518%0.45%31,03931.0k1.934%1.93%-0.498167%-0.075234%-0.489719%-0.047683%-0.573401%0.57%0.498167%0.489719%0.498167%0.50%51,60351.6k3.215%3.21%-0.564441%-0.034762%-0.556695%-0.041019%-0.599202%0.60%0.564441%0.556695%0.564441%0.56%37,35837.4k2.327%2.33%-0.637359%-0.031310%-0.610297%-0.030760%-0.668670%0.67%0.637359%0.610297%0.637359%0.64%104,823105k6.530%6.53%-0.689988%-0.026227%-0.672672%-0.012121%-0.716215%0.72%0.689988%0.672672%0.689988%0.69%112,863113k7.031%7.03%-0.696454%-0.005819%-0.669774%-0.702273%0.70%0.696454%0.669774%0.001370%0.696454%0.70%112,263112k6.994%6.99%-0.737744%-0.668957%-0.737744%0.74%0.737744%0.020309%0.668957%0.000957%0.758053%0.76%120,054120k7.479%7.48%-0.710770%-0.046087%-0.661266%-0.756857%0.76%0.710770%0.661266%0.007922%0.710770%0.71%117,793118k7.338%7.34%-0.794522%-0.021542%-0.705425%-0.816064%0.82%0.794522%0.705425%0.028957%0.794522%0.79%129,267129k8.053%8.05%-0.792042%-0.005183%-0.730940%-0.797226%0.80%0.792042%0.730940%0.048142%0.792042%0.79%127,556128k7.946%7.95%-0.679514%-0.713830%-0.679514%0.68%0.679514%0.030318%0.713830%0.047764%0.709831%0.71%66,90666.9k4.168%4.17%-0.636176%-0.050897%-0.720108%-0.687072%0.69%0.636176%0.720108%0.071664%0.636176%0.64%21,24121.2k1.323%1.32%-0.610945%-0.741386%-0.610945%0.61%0.610945%0.007102%0.741386%0.058263%0.618047%0.62%19,72819.7k1.229%1.23%-0.617113%-0.672557%-0.617113%0.62%0.617113%0.007071%0.672557%0.037001%0.624184%0.62%39,85139.9k2.483%2.48%-0.561544%-0.659372%-0.561544%0.56%0.561544%0.023091%0.659372%0.030790%0.584635%0.58%55,19655.2k3.439%3.44%-0.584556%-0.642360%-0.584556%0.58%0.584556%0.003925%0.642360%0.027891%0.588481%0.59%94,14994.1k5.865%5.87%-0.582625%-0.643238%-0.582625%0.58%0.582625%0.046984%0.643238%0.027157%0.629610%0.63%97,29597.3k6.061%6.06%-0.594399%-0.632325%-0.594399%0.59%0.594399%0.026887%0.632325%0.028642%0.621287%0.62%97,57297.6k6.078%6.08%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of California and Alameda County
More Females More Males
California
Alameda County
80%60%40%20%0%20%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-88.094241%-81.049811%-88.094241%88.1%0.5320.5365.289%65.3%34.711%34.7%-42.380813%-36.274956%-42.380813%42.4%0.7020.7058.743%58.7%41.257%41.3%-32.077253%-24.884451%-32.077253%32.1%0.7570.7656.911%56.9%43.089%43.1%-23.840163%-17.158978%-23.840163%23.8%0.8070.8155.325%55.3%44.675%44.7%-11.670468%-14.302341%-11.670468%11.7%0.8950.9052.757%52.8%47.243%47.2%-12.712445%-12.442599%-12.712445%12.7%0.8870.8952.988%53.0%47.012%47.0%-15.102126%-9.736728%-15.102126%15.1%0.8690.8753.510%53.5%46.490%46.5%-6.158601%-7.368277%-6.158601%6.2%0.9420.9451.494%51.5%48.506%48.5%-4.912521%-5.040236%-4.912521%4.9%0.9530.9551.199%51.2%48.801%48.8%-3.801080%-1.801966%-3.801080%3.8%0.9630.9650.933%50.9%49.067%49.1%-0.835450%-0.835450%0.8%0.204484%0.9920.9950.208%50.2%49.792%49.8%2.752820%0.143012%2.752820%2.8%1.0281.0349.321%49.3%50.679%50.7%-6.484127%-6.484127%6.5%1.197933%0.9390.9451.570%51.6%48.430%48.4%-2.711349%-2.711349%2.7%4.104936%0.9740.9750.669%50.7%49.331%49.3%-0.654397%-0.654397%0.7%6.586347%0.9930.9950.163%50.2%49.837%49.8%4.461694%6.691182%4.461694%4.5%1.0451.0448.909%48.9%51.091%51.1%-8.000392%-8.000392%8.0%9.951788%0.9260.9351.923%51.9%48.077%48.1%1.162435%7.858621%1.162435%1.2%1.0121.0149.711%49.7%50.289%50.3%1.145770%5.501565%1.145770%1.1%1.0111.0149.715%49.7%50.285%50.3%4.112122%4.669609%4.112122%4.1%1.0411.0448.993%49.0%51.007%51.0%0.671398%4.341943%0.671398%0.7%1.0071.0149.833%49.8%50.167%50.2%8.064240%4.221871%8.064240%8.1%1.0811.0848.062%48.1%51.938%51.9%4.523445%4.529655%4.523445%4.5%1.0451.0548.894%48.9%51.106%51.1%

Map of Age Cohorts by County Subdivision in Alameda County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
14.5%16.6%18.6%20.6%22.6%24.7%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.0%5.3%7.7%10.0%12.3%14.7%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
8.5%10.3%12.1%13.9%15.6%17.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
13.1%14.0%14.8%15.6%16.4%17.3%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
11.4%12.4%13.4%14.4%15.4%16.4%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.4%11.6%12.7%13.8%14.9%16.0%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
9.30%9.71%10.12%10.53%10.95%11.36%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
4.67%4.92%5.18%5.43%5.68%5.94%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
2.56%2.79%3.02%3.25%3.48%3.71%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Alameda County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
0%7%15%22%29%37%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%14%28%41%55%69%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
0%9%17%26%35%44%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
3%11%18%25%32%40%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
0%8%17%25%33%42%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
1.4%6.0%10.5%15.0%19.5%24.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0.0%4.3%8.6%13.0%17.3%21.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.0%3.2%6.4%9.6%12.8%16.0%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.0%3.4%6.8%10.2%13.6%17.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Alameda County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%11%22%33%44%55%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%16%32%48%64%81%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%11%21%32%43%54%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%20%40%60%80%100%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0%8%17%25%33%42%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%8%16%23%31%40%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%11%22%33%44%56%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%4.3%8.6%12.9%17.2%21.6%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%6%11%17%22%28%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Alameda County

There are 20 places in Alameda County. This section compares all 20 of those to each other, Alameda County, and other entities that contain or substantially overlap with Alameda County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Alameda County, selected places in Alameda County, and entities that contain Alameda County
0%5%10%15%20%25%Count#AshlandAlbanyPiedmontPleasantonCherrylandDublinLivermoreWestFremontCaliforniaPacificUnited States of AmericaUnited StatesCastro ValleyHaywardSan LorenzoAlameda CountyAlamedaNewarkUnion CitySan LeandroSan Francisco, Oakland, and Hayward Metro AreaSan FranciscoOaklandAlamedaFairviewSunolBerkeleyEmeryville28.442029%28.442029%28.4%6,908126.694130%26.694130%26.7%5,184226.470851%26.470851%26.5%2,965326.067544%26.067544%26.1%20,08420.1k425.361742%25.361742%25.4%3,821524.475909%24.475909%24.5%13,34513.3k623.829674%23.829674%23.8%20,61120.6k723.760486%23.760486%23.8%17,834,66617.8M23.696772%23.696772%23.7%54,01354.0k823.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.546757%22.546757%22.5%14,16514.2k922.403516%22.403516%22.4%34,61534.6k1021.787011%21.787011%21.8%5,4011121.443331%21.443331%21.4%344,212344k21.415941%21.415941%21.4%9,5681220.609524%20.609524%20.6%15,14815.1k1320.462943%20.462943%20.5%18,22018.2k1420.429183%20.429183%20.4%935,152935k20.390011%20.390011%20.4%84,01584.0k1520.267669%20.267669%20.3%15,68915.7k1619.640374%19.640374%19.6%2,1191714.541833%14.541833%14.5%1461812.590969%12.590969%12.6%14,93114.9k199.909099%9.909099%9.9%1,10120