Age and Sex in Tract 428400, Alameda County, California (Tract)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the tracts in Alameda County.
Scope: population of Alameda County, Tract 428400, and other tracts in Alameda County
Tract 428400
Alameda County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41242.814%2.81%1062.405%2.41%1182.678%2.68%1563.540%3.54%1162.632%2.63%1222.768%2.77%1533.472%3.47%501.135%1.13%3337.556%7.56%1874.243%4.24%3467.851%7.85%3628.214%8.21%47210.710%10.7%51811.754%11.8%2826.399%6.40%982.224%2.22%290.658%0.66%160.363%0.36%360.817%0.82%501.135%1.13%1603.631%3.63%2325.264%5.26%3417.738%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 Alameda County and Tract 428400
Female Male
Alameda County
Tract 428400
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.187832%-0.092025%-0.150239%-0.045094%-0.279858%0.28%0.187832%0.150239%0.187832%0.19%74216.837%16.8%-0.642614%-0.661306%-0.020418%-0.642614%0.64%0.642614%0.013615%0.661306%0.656229%0.66%1,43132.471%32.5%-0.731160%-0.264730%-0.756454%-0.015173%-0.995890%1.00%0.731160%0.756454%0.731160%0.73%1,37031.087%31.1%-0.192875%-0.073746%-0.625647%-0.007413%-0.266621%0.27%0.192875%0.625647%0.192875%0.19%811.838%1.84%-0.458866%-0.069334%-0.582919%-0.528200%0.53%0.458866%0.582919%0.025459%0.458866%0.46%78317.767%17.8%
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 Alameda County and Tract 428400
Female Male
Alameda County
Tract 428400
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.048219%-0.079419%-0.037183%-0.032756%-0.127638%0.13%0.048219%0.037183%0.048219%0.05%1242.814%2.81%-0.154300%-0.172453%-0.127796%-0.054161%-0.326753%0.33%0.154300%0.127796%0.154300%0.15%1062.405%2.41%-0.231450%-0.072612%-0.171603%-0.055046%-0.304062%0.30%0.231450%0.171603%0.231450%0.23%1182.678%2.68%-0.340368%-0.257548%-0.061400%-0.340368%0.34%0.340368%0.027229%0.257548%0.367597%0.37%1563.540%3.54%-0.264730%-0.347931%-0.373304%-0.043566%-0.612662%0.61%0.264730%0.373304%0.264730%0.26%1162.632%2.63%-0.669390%-0.454518%-0.057780%-0.669390%0.67%0.669390%0.045382%0.454518%0.714772%0.71%1222.768%2.77%-0.196657%-0.763936%-0.498167%-0.075234%-0.960593%0.96%0.196657%0.498167%0.196657%0.20%1533.472%3.47%-0.102110%-0.564441%-0.034762%-0.102110%0.10%0.102110%0.363059%0.564441%0.465169%0.47%501.135%1.13%-0.703426%-0.637359%-0.031310%-0.703426%0.70%0.703426%0.104379%0.637359%0.807806%0.81%3337.556%7.56%-0.408441%-0.031768%-0.689988%-0.026227%-0.440209%0.44%0.408441%0.689988%0.408441%0.41%1874.243%4.24%-0.721579%-0.696454%-0.005819%-0.721579%0.72%0.721579%0.127071%0.696454%0.848650%0.85%3467.851%7.85%-0.730656%-0.737744%-0.730656%0.73%0.730656%0.181529%0.737744%0.020309%0.912185%0.91%3628.214%8.21%-0.975720%-0.190606%-0.710770%-0.046087%-1.166326%1.17%0.975720%0.710770%0.975720%0.98%47210.710%10.7%-0.884956%-0.580894%-0.794522%-0.021542%-1.465850%1.47%0.884956%0.794522%0.884956%0.88%51811.754%11.8%-0.544588%-0.190606%-0.792042%-0.005183%-0.735194%0.74%0.544588%0.792042%0.544588%0.54%2826.399%6.40%-0.363059%-0.679514%-0.363059%0.36%0.363059%0.015127%0.679514%0.030318%0.378186%0.38%982.224%2.22%-0.000000%-0.658044%-0.636176%-0.050897%-0.658044%0.66%0.000000%0.636176%0.000000%0.00%290.658%0.66%-0.000000%-0.610945%0.000000%0.00%0.000000%0.363059%0.610945%0.007102%0.363059%0.36%160.363%0.36%-0.204221%-0.617113%-0.204221%0.20%0.204221%0.000000%0.617113%0.007071%0.204221%0.20%360.817%0.82%-0.166402%-0.045382%-0.561544%-0.211784%0.21%0.166402%0.561544%0.023091%0.166402%0.17%501.135%1.13%-0.317676%-0.584556%-0.317676%0.32%0.317676%0.090765%0.584556%0.003925%0.408441%0.41%1603.631%3.63%-0.458362%-0.136147%-0.582625%-0.594509%0.59%0.458362%0.582625%0.046984%0.458362%0.46%2325.264%5.26%-0.685273%-0.176991%-0.594399%-0.862265%0.86%0.685273%0.594399%0.026887%0.685273%0.69%3417.738%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 Alameda County and Tract 428400
More Females More Males
Alameda County
Tract 428400
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242118-1915-1710-145-90-4-164.705882%-88.094241%-164.705882%164.7%0.3780.3872.581%72.6%27.419%27.4%-111.764706%-42.380813%-111.764706%111.8%0.4720.4767.925%67.9%32.075%32.1%-31.372549%-32.077253%-31.372549%31.4%0.7610.7656.780%56.8%43.220%43.2%-23.840163%8.000000%8.000000%8.0%1.0801.0848.077%48.1%51.923%51.9%-131.428571%-11.670468%-131.428571%131.4%0.4320.4369.828%69.8%30.172%30.2%-12.712445%6.779661%6.779661%6.8%1.0681.0748.361%48.4%51.639%51.6%-388.461538%-15.102126%-388.461538%388.5%0.2050.2083.007%83.0%16.993%17.0%-6.158601%355.555556%355.555556%355.6%4.5564.5618.000%18.0%82.000%82.0%-4.912521%14.838710%14.838710%14.8%1.1481.1546.547%46.5%53.453%53.5%-7.777778%-3.801080%-7.777778%7.8%0.9280.9351.872%51.9%48.128%48.1%-0.835450%17.610063%17.610063%17.6%1.1761.1845.954%46.0%54.046%54.0%24.844720%2.752820%24.844720%24.8%1.2481.2544.475%44.5%55.525%55.5%-19.534884%-6.484127%-19.534884%19.5%0.8370.8454.449%54.4%45.551%45.6%-65.641026%-2.711349%-65.641026%65.6%0.6040.6062.355%62.4%37.645%37.6%-35.000000%-0.654397%-35.000000%35.0%0.7410.7457.447%57.4%42.553%42.6%4.166667%4.461694%4.166667%4.2%1.0421.0448.980%49.0%51.020%51.0%-1,000.000000%-8.000392%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%0.000000%0.000000%0.0%1.145770%1.0001.0050.000%50.0%50.000%50.0%-27.272727%-27.272727%27.3%4.112122%0.7860.7956.000%56.0%44.000%44.0%28.571429%0.671398%28.571429%28.6%1.2861.2943.750%43.8%56.250%56.3%-29.702970%-29.702970%29.7%8.064240%0.7710.7756.466%56.5%43.534%43.5%-25.827815%-25.827815%25.8%4.523445%0.7950.7955.718%55.7%44.282%44.3%
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 Block Group in Tract 428400

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
13.2%14.5%15.8%17.1%18.4%19.7%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
0.6%1.2%1.9%2.5%3.1%3.8%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
4.8%6.4%7.8%9.3%10.8%12.3%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
20.0%21.4%22.8%24.2%25.6%27.0%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
9.8%12.9%15.8%18.8%21.8%24.8%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
11.0%11.7%12.3%13.0%13.6%14.3%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
2.6%4.6%6.6%8.5%10.5%12.5%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
2.2%3.9%5.6%7.2%8.9%10.6%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
0.8%2.7%4.5%6.3%8.1%9.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Tract 428400

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%6%12%18%24%30%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0.0%1.7%3.5%5.2%6.9%8.7%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0.0%2.7%5.5%8.2%10.9%13.7%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
0.0%4.8%9.6%14.3%19.1%24.0%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%13%27%40%53%67%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0%7%13%20%27%34%

60s Age Cohorts by Block#20

Percentage of population aged 60 to 69 (%):
0%10%20%30%40%50%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0.0%3.2%6.5%9.7%12.9%16.2%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0%12%23%35%46%58%
Road Data ©OpenStreetMap

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Age Cohorts by Tract in Alameda County

There are 361 tracts in Alameda County. This section compares Tract 428400 to the 50 most populous tracts in Alameda County and to those entities that contain or substantially overlap with Tract 428400. The least populous of the compared tracts has a population of 6,398.

Children by Tract#23

Percentage of population aged 0 to 17 (%):
Scope: population of Tract 428400, selected other tracts in Alameda County, and entities that contain Tract 428400
0%10%20%30%Count#408700Tract 408700450751Tract 450751433900Tract 433900450602Tract 450602441503Tract 441503436900Tract 436900442200Tract 442200450701Tract 450701441200Tract 441200451201Tract 451201441700Tract 441700407600Tract 407600441401Tract 441401435103Tract 435103407200Tract 407200451300Tract 451300441602Tract 441602451101Tract 451101444500Tract 444500433800Tract 433800428301Tract 428301443002Tract 443002WestCalifornia438100Tract 438100433200Tract 433200441800Tract 441800PacificUnited States of AmericaUnited States444200Tract 444200436601Tract 436601430101Tract 430101442900Tract 442900441924Tract 441924406500Tract 406500436300Tract 436300428302Tract 428302433300Tract 433300437101Tract 437101Alameda CountyAlameda436401Tract 436401440335Tract 440335San Francisco, Oakland, and Hayward Metro AreaSan FranciscoAlameda City Unified School DistrictAlamedaAlameda430200Tract 430200441501Tract 441501442400Tract 442400432600Tract 432600451602Tract 451602437200Tract 437200440301Tract 440301450102Tract 450102444100Tract 444100428400Tract 428400442500Tract 442500441925Tract 441925433400Tract 433400422800Tract 42280033.101315%33.101315%33.1%2,568131.476630%31.476630%31.5%2,283231.226913%31.226913%31.2%2,367329.172209%29.172209%29.2%2,851428.373439%28.373439%28.4%1,863527.868348%27.868348%27.9%1,812627.219997%27.219997%27.2%1,971726.796339%26.796339%26.8%2,342826.243849%26.243849%26.2%1,920926.044295%26.044295%26.0%1,8581025.942228%25.942228%25.9%1,8861125.804939%25.804939%25.8%1,6511225.427579%25.427579%25.4%1,9031325.376922%25.376922%25.4%1,7001425.362757%25.362757%25.4%1,6781525.179856%25.179856%25.2%1,7851624.939927%24.939927%24.9%1,9721724.753811%24.753811%24.8%1,8351824.554745%24.554745%24.6%1,6821924.506483%24.506483%24.5%2,0982024.466103%24.466103%24.5%1,7072124.404310%24.404310%24.4%1,6082223.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.515746%23.515746%23.5%1,8222323.495816%23.495816%23.5%1,7692423.367556%23.367556%23.4%1,7072523.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M23.056380%23.056380%23.1%1,5542623.012682%23.012682%23.0%1,4882722.887624%22.887624%22.9%1,6092822.766142%22.766142%22.8%1,8372922.731946%22.731946%22.7%1,7693022.406450%22.406450%22.4%1,4733122.305764%22.305764%22.3%1,7803221.821210%21.821210%21.8%1,5723321.714210%21.714210%21.7%1,6293421.599184%21.599184%21.6%1,4833521.443331%21.443331%21.4%344,212344k20.872986%20.872986%20.9%1,6453620.592891%20.592891%20.6%1,4313720.429183%20.429183%20.4%935,152935k20.267669%20.267669%20.3%15,68915.7k20.267669%20.267669%20.3%15,68915.7k19.922400%19.922400%19.9%1,3353819.906905%19.906905%19.9%1,2833919.644788%19.644788%19.6%1,2724019.548668%19.548668%19.5%1,4384119.426886%19.426886%19.4%1,3834219.221698%19.221698%19.2%1,4674319.078288%19.078288%19.1%1,3334418.698727%18.698727%18.7%1,3224518.213104%18.213104%18.2%1,3764617.767189%17.767189%17.8%78317.292136%17.292136%17.3%1,3044715.835076%15.835076%15.8%1,0604815.555897%15.555897%15.6%1,013493.179926%3.179926%3.2%27550
Count number of children
# rank of tract 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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State:
California
County:
Alameda
Metro Area:
San Francisco Area
City:
Alameda
ZIP Codes:
94501, 94502
Unified School District:
Alameda
Congressional District:
CA-13
State Senate District:
CA-9
Assembly District:
CA-18
Block Groups:
Block Group 428400-1, Block Group 428400-2, Block Group 428400-3
Neighboring Tracts:
Tract 427900, Tract 428000, Tract 428100, Tract 428200, Tract 428301, Tract 428302, Tract 428500, Tract 990000