San Diego County, California Population 2023

3,359,630

San Diego County, California's estimated 2023 population is 3,359,630 with a growth rate of 0.61% in the past year according to the most recent United States census data. San Diego County, California is the 2nd largest county in California. The 2010 population was 3,095,313 and has seen a growth of 8.54% since that time.

Note: data after 2021 is projected based on recent change
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San Diego County, California Population 2023

Population by Race

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White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

San Diego County, California Population by Race

San Diego County, California Population Pyramid 2023

San Diego County, California Median Age

36.1

Total

34.8

Male

37.5

Female

San Diego County, California Adults

There are 2,605,720 adults, (467,737 of whom are seniors) in San Diego County, California.

San Diego County, California Age Dependency

55.5

Age Dependency Ratio

21.9

Old Age Dependency Ratio

33.6

Child Dependency Ratio

San Diego County, California Sex Ratio

Female1,649,45849.62%
Male1,674,51250.38%

San Diego County, California Population by Age

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

3.43

Average Family Size

2.86

Average Household Size

53.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Diego County, California Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Diego County, California Educational Attainment by Sex (over 25)

San Diego County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 83.88%.

The highest rate of bachelors degrees is among asian people with a rate of 44.24%.

San Diego County, California Educational Attainment by Race

All

Male

Female

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$45,888

Average Earnings

$52,654

Average Male

$38,997

Average Female

San Diego County, California Earnings by Educational Attainment

San Diego County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Diego County, California Language

62.99% of San Diego County, California residents speak only English, while 37.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 24.17% of the population.

San Diego County, California Language

San Diego County, California Poverty by Race

rate

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13%

Overall Poverty Rate

10.05%

Male Poverty Rate

11.78%

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 21.77% below the poverty level.

The race least likely to be in poverty in San Diego County, California is White, with 8.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.08%. Among those working part-time, it was 13.44%, and for those that did not work, the poverty rate was 19.01%.

San Diego County, California Poverty

rate

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San Diego County, California Poverty Rate by Education

rate

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

San Diego County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

San Diego County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.7%

Overall Marriage Rate

48.5%

Male Marriage Rate

46.9%

Female Marriage Rate

San Diego County, California Married by Age and Sex

male

female

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 45-54.

San Diego County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Diego County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

210,611

Number of Veterans

185,810

Male Veterans

24,801

Female Veterans

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San Diego County, California Veterans by War

count

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San Diego County, California Veterans by Age

count

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San Diego County, California Veterans by Race

San Diego County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.24%

Veteran Poverty Rate

23.1%

Veteran Disability Rate

San Diego County, California Veterans by Education

LaborForceParticipation

66%

Labor Force Participation

59.2%

Employment Rate

6.2%

Unemployment Rate

San Diego County, California Employment by Age

LaborForceParticipation

San Diego County, California Employment by Race

LaborForceParticipation

San Diego County, California Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

50.65%

Born in San Diego County, California

77.66%

Native Born

23.11%

Foreign Born

10.1%

Non Citizen

13.01%

Naturalized

Place of Birth

77.66% of San Diego County, California residents were born in the United States, with 50.65% having been born in California. 10.1% 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

Sources