Alameda County, California Population 2021

Alameda County, California's estimated population is 1,680,480 with a growth rate of 0.27% in the past year according to the most recent United States census data. Alameda County, California is the 8th largest county in California. The 2010 Population was 1,512,990 and has seen a growth of 11.07% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
20211,680,4804,5800.27%
20201,675,9004,5700.27%
20191,671,3304,5700.27%
20181,666,7606,5600.40%
20171,660,2009,2500.56%
20161,650,95016,4101.00%
20151,634,54026,7501.66%
20141,607,79028,2001.79%
20131,579,59025,8301.66%
20121,553,76022,8401.49%
20111,530,92017,9301.19%
20101,512,990233,81018.28%
19901,279,180173,80015.72%
19801,105,38032,2003.00%
19701,073,180164,97118.16%
1960908,209167,89422.68%
1950740,315227,30444.31%
1940513,01138,1288.03%
1930474,883130,70637.98%
1920344,17798,04639.83%
1910246,131115,93489.05%
1900130,19736,33338.71%
189093,86430,88849.05%
188062,97638,739159.83%
187024,23715,310171.50%
18608,9270.00%
2021 Growth Rate
0.27%
County Website
County Seat
2010 Population
1,512,990
Growth (since 2010)
11.07%
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Alameda County, California Population Growth

Population by Race

Race Population Percentage
White670,36440.46%
Asian499,38230.14%
Some Other Race179,24410.82%
Black or African American175,75110.61%
Two or More Races106,9936.46%
Native Hawaiian and Other Pacific Islander13,9000.84%
American Indian and Alaska Native11,1200.67%
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Alameda County, California Population by Race

Alameda County, California Population Pyramid 2021

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Alameda County, California Median Age

37.6


Total

36.7


Male

38.5


Female

Alameda County, California Adults

There are 1,312,730 adults, (224,026 of whom are seniors) in Alameda County, California.

Alameda County, California Age Dependency

52.2

Age Dependency Ratio

20.6

Old Age Dependency Ratio

31.6

Child Dependency Ratio

Alameda County, California Sex Ratio

Female

842,239

50.84%

Male

814,515

49.16%

Alameda County, California Population by Age

Alameda County, California Renter vs Owner Occupied by Household Type

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Alameda County, California Household Types

Type Owner Renter
Married67.3%32.7%
All53.5%46.5%
Male46.8%53.2%
Female41.6%58.4%
Non Family37.6%62.4%

53.5%

Rate of Home Ownership

Alameda County, California Households and Families

Type Count Average Size Owned
All577,1772.8253.5
Married292,0793.4667.3
Non Family192,5011.4737.6
Female64,1653.5641.6
Male28,4323.5746.8

3.37

Average Family Size

2.82

Average Household Size

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Alameda County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade69,5345.93%
9th to 12th Grade65,9905.63%
High School Graduate205,98017.57%
Some College201,37717.17%
Associates Degree73,6766.28%
Bachelors Degree320,31927.32%
Graduate Degree235,78620.11%
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Alameda County, California Educational Attainment by Sex (over 25)

Alameda County, California Educational Attainment by Race

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Name Total High School Bachelors
White410,596396,276241,066
Asian366,408325,337213,333
Hispanic220,772156,24943,248
Black125,855114,27036,766
Other Race108,97871,44715,123
Multiple Races50,11846,07023,292
Islander9,8498,6271,808
Native American7,6096,2371,775

The highest rate of high school graduation is among white people with a rate of 96.51%.

The highest rate of bachelors degrees is among white people with a rate of 58.71%.

Alameda County, California Educational Attainment by Race

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Name Average Male Female
Overall$56,246$63,753$49,900
Less Than High School$26,900$31,072$21,269
High School Grad$39,659$43,270$32,323
Some College$47,257$53,412$40,874
Bachelors Degree$74,387$87,402$62,774
Graduate Degree$101,061$123,409$83,451

$56,246

Average Earnings

$63,753

Average Male

$49,900

Average Female

Alameda County, California Earnings by Educational Attainment

Alameda County, California Language by Age

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Alameda County, California Language

54.40% of Alameda County, California residents speak only English, while 45.60% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 19.52% of the population.

Alameda County, California Language

Alameda County, California Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic364,40245,67512.53%
Asian492,49838,6967.86%
Black172,43834,51820.02%
White512,14634,3896.71%
Other176,53625,38514.38%
Multiple105,3179,4098.93%
Native10,9051,63414.98%
Islander13,6951,2489.11%

9.91%

Overall Poverty Rate

8.95%

Male Poverty Rate

10.85%

Female Poverty Rate

Poverty in Alameda County, California

The race most likely to be in poverty in Alameda County, California is Black, with 20.02% below the poverty level.

The race least likely to be in poverty in Alameda County, California is White, with 6.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.38%. Among those working part-time, it was 13.13%, and for those that did not work, the poverty rate was 19.54%.

Alameda County, California Poverty

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Name Poverty
Less Than High School19.09%
High School10.99%
Some College9.16%
Bachelors or Greater4.18%

Alameda County, California Poverty Rate by Education

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Name Poverty
Female Unemployed26.68%
Male Unemployed23.26%
Female Employed4.95%
Male Employed3.88%

Alameda County, California Poverty Rate by Employment Status and Sex

Alameda County, California Income by Household Type

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Name Median Mean
Households$99,406$130,710
Families$119,612$150,481
Married Families$140,508$171,406
Non Families$59,919$84,111
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Income by Household Type

Alameda County, California Marital Status

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Marriage Rates

48.9%

Overall Marriage Rate

51.0%

Male Marriage Rate

47.0%

Female Marriage Rate

Alameda County, California Married by Age and Sex

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Alameda County, California Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Alameda County, California Marital Status by Race

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Alameda County, California Marital Status

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48,602

Number of Veterans

44,644

Male Veterans

3,958

Female Veterans

War Veterans
Vietnam17,511
First Gulf War7,752
Second Gulf War7,702
Korea4,563
World War II2,098

Alameda County, California Veterans by War

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Age Group Veterans
75+13,475
65 to 7412,558
35 to 549,486
55 to 649,002
18 to 344,081

Alameda County, California Veterans by Age

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Name Veterans % of Total
White28,6365.18%
Black9,1756.46%
Asian5,9201.46%
Hispanic5,6762.17%
2 or More2,1363.50%
Other1,7121.32%
Hawaiian5194.66%
Indian5045.86%

Alameda County, California Veterans by Race

Alameda County, California Veterans by Education

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7.05%

Veteran Poverty Rate

25.82%

Veteran Disability Rate

Alameda County, California Veterans by Education

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67.1%

Labor Force Participation

63.9%

Employment Rate

4.6%

Unemployment Rate

Alameda County, California Employment by Age

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Alameda County, California Employment by Race

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Alameda County, California Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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49.20%

Born in California

67.47%

Native Born

32.53%

Foreign Born

14.94%

Non Citizen

17.59%

Naturalized

Place of Birth

67.47% of Alameda County, California residents were born in the United States, with 49.20% having been born in California. 14.94% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Alameda County, California Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources