San Diego County, California Population 2021

San Diego County, California's estimated population is 3,347,270 with a growth rate of 0.13% in the past year according to the most recent United States census data. San Diego County, California is the 3rd largest county in California. The 2010 Population was 3,103,210 and has seen a growth of 7.86% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
20213,347,2704,4700.13%
20203,342,8004,4700.13%
20193,338,3304,4700.13%
20183,333,86012,6200.38%
20173,321,24015,1500.46%
20163,306,09025,2400.77%
20153,280,85031,9700.98%
20143,248,88039,1101.22%
20133,209,77035,4301.12%
20123,174,34037,1801.19%
20113,137,16033,9501.09%
20103,103,210605,19024.23%
19902,498,020636,17034.17%
19801,861,850504,00037.12%
19701,357,850324,84031.45%
19601,033,010476,20285.52%
1950556,808267,46092.44%
1940289,34879,68938.01%
1930209,65997,41186.78%
1920112,24850,58382.03%
191061,66526,57575.73%
190035,0901030.29%
189034,98726,369305.98%
18808,6183,66774.07%
18704,95162714.50%
18604,3243,526441.85%
18507980.00%
2021 Growth Rate
0.13%
County Website
County Seat
2010 Population
3,103,210
Growth Since 2010
7.86%
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San Diego County, California Population Growth

Population by Race

Race Population Percentage
White2,345,67170.74%
Asian394,74211.90%
Some Other Race198,7295.99%
Two or More Races173,7945.24%
Black or African American166,7505.03%
American Indian and Alaska Native22,5240.68%
Native Hawaiian and Other Pacific Islander13,8670.42%
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San Diego County, California Population by Race

San Diego County, California Population Pyramid $2021

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San Diego County, California Median Age

35.8


Total

34.6


Male

37.3


Female

San Diego County, California Adults

There are 2,593,340 adults, (454,089 of whom are seniors) in San Diego County, California.

San Diego County, California Age Dependency

55

Age Dependency Ratio

21.2

Old Age Dependency Ratio

33.8

Child Dependency Ratio

San Diego County, California Sex Ratio

Female

1,646,560

49.65%

Male

1,669,520

50.35%

San Diego County, California Population by Age

San Diego County, California Renter vs Owner Occupied by Household Type

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San Diego County, California Household Types

Type Owner Renter
Married66%34%
All53.3%46.7%
Male42.2%57.8%
Non Family40.6%59.4%
Female39.1%60.9%

53.3%

Rate of Home Ownership

San Diego County, California Households and Families

Type Count Average Size Owned
All1,125,2902.8753.3
Married567,3693.5166
Non Family368,3231.4640.6
Female131,3393.6839.1
Male58,2553.6242.2

3.43

Average Family Size

2.87

Average Household Size

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San Diego County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade148,0526.59%
9th to 12th Grade133,9795.96%
High School Graduate409,61318.23%
Some College501,36322.32%
Associates Degree181,7828.09%
Bachelors Degree533,72523.76%
Graduate Degree338,05715.05%
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San Diego County, California Educational Attainment by Sex (over 25)

San Diego County, California Educational Attainment by Race

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Race Total High School Bachelors
White1,139,1801,095,440554,820
Hispanic645,994451,118115,287
Asian287,635256,659147,625
Other Race122,48182,27818,633
Black108,62299,73428,111
2+ Races76,40170,41829,318
Native American14,93412,0712,533
Islander9,8039,0402,657

The highest rate of high school graduation is among white people with a rate of 96.16%.

The highest rate of bachelors degrees is among asian people with a rate of 51.32%.

San Diego County, California Educational Attainment by Race

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Name Average Male Female
Overall$44,160$51,320$37,376
Less Than 9th Grade$23,608$27,657$18,431
High School Graduate$31,615$37,019$26,381
Some College$38,816$45,425$32,112
Bachelors Degree$61,990$74,273$51,153
Graduate Degree$85,114$102,491$71,481

$44,160

Average Earnings

$51,320

Average Male

$37,376

Average Female

San Diego County, California Earnings by Educational Attainment

San Diego County, California Language by Age

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San Diego County, California Language

62.40% of San Diego County, California residents speak only English, while 37.60% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 24.64% of the population.

San Diego County, California Language

San Diego County, California Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic1,094,400170,76515.60%
White1,469,150123,4228.40%
Asian390,48638,8819.96%
Other192,28531,74516.51%
Black156,07229,51218.91%
Multiple171,52918,51710.80%
Native21,5363,55516.51%
Islander13,3451,82313.66%

11.59%

Overall Poverty Rate

10.72%

Male Poverty Rate

12.45%

Female Poverty Rate

Poverty in San Diego County, California

The race most likely to be in poverty in San Diego County, California is Black, with 18.91% below the poverty level.

The race least likely to be in poverty in San Diego County, California is White, with 8.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.20%. Among those working part-time, it was 14.37%, and for those that did not work, the poverty rate was 19.70%.

San Diego County, California Poverty

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Name Poverty
Less Than 9th Grade20.70%
High School12.76%
Some College9.00%
Bachelors or Greater4.69%

San Diego County, California Poverty Rate by Education

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Rate Poverty
Female Unemployed26.74%
Male Unemployed24.00%
Female Employed6.27%
Male Employed5.31%

San Diego County, California Poverty Rate by Employment Status and Sex

San Diego County, California Income by Household Type

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Name Median Mean
Households$78,980$106,600
Families$91,034$119,737
Married Families$107,342$136,970
Non Families$53,589$73,621
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Income by Household Type

San Diego County, California Marital Status

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Marriage Rates

47.6%

Overall Marriage Rate

48.2%

Male Marriage Rate

47.0%

Female Marriage Rate

San Diego County, California Married by Age and Sex

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San Diego County, California Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

San Diego County, California Marital Status by Race

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San Diego County, California Marital Status

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217,188

Number of Veterans

192,334

Male Veterans

24,854

Female Veterans

War Veterans
Second Gulf War67,892
Vietnam66,360
First Gulf War58,025
Korea15,543
World War II7,091

San Diego County, California Veterans by War

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Age Group Veterans
35 to 5457,918
65 to 7444,909
75+42,611
55 to 6437,569
18 to 3434,181

San Diego County, California Veterans by Age

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Name Veterans % of Total
White160,5948.87%
Hispanic32,3074.20%
Black21,07317.53%
Asian19,2706.01%
2+ Races8,1078.60%
Other Race5,4143.73%
Native American1,5949.22%
Islander1,13610.29%

San Diego County, California Veterans by Race

San Diego County, California Veterans by Education

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5.82%

Veteran Poverty Rate

23.13%

Veteran Disability Rate

San Diego County, California Veterans by Education

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66%

Labor Force Participation

59.5%

Employment Rate

6%

Unemployment Rate

San Diego County, California Employment by Age

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San Diego County, California Employment by Race

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San Diego 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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49.70%

Born in San Diego County, California

76.63%

Native Born

23.37%

Foreign Born

10.65%

Non Citizen

12.71%

Naturalized

Place of Birth

76.63% of San Diego County, California residents were born in the United States, with 49.70% having been born in California. 10.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

San Diego 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