Solano County, California Population 2023

465,536

Solano County, California's estimated 2023 population is 465,536 with a growth rate of 0.87% in the past year according to the most recent United States census data. Solano County, California is the 19th largest county in California. The 2010 population was 413,344 and has seen a growth of 12.63% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
0.87% (4,015)
County Website
Solano County
County Seat
Fairfield
2010 Population
413,344
Growth Since 2010
12.63% (52,192)

Solano County, California Population 2023

Population by Race

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White

Asian

Black or African American

Two or more races

Other race

Native Hawaiian or Pacific Islander

Native American

Solano County, California Population by Race

Solano County, California Population Pyramid 2023

Solano County, California Median Age

38.5

Total

37.2

Male

40

Female

Solano County, California Adults

There are 350,936 adults, (71,693 of whom are seniors) in Solano County, California.

Solano County, California Age Dependency

61.7

Age Dependency Ratio

25.7

Old Age Dependency Ratio

36

Child Dependency Ratio

Solano County, California Sex Ratio

Female225,55349.96%
Male225,87950.04%

Solano County, California Population by Age

Solano County, California Renter vs Owner Occupied by Household Type

3.38

Average Family Size

2.87

Average Household Size

62.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Solano 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

Solano County, California Educational Attainment by Sex (over 25)

Solano 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 86.15%.

The highest rate of bachelors degrees is among asian people with a rate of 35.53%.

Solano County, California Educational Attainment by Race

All

Male

Female

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$51,086

Average Earnings

$57,703

Average Male

$43,698

Average Female

Solano County, California Earnings by Educational Attainment

Solano County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Solano County, California Language

70.36% of Solano County, California residents speak only English, while 29.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.02% of the population.

Solano County, California Language

Solano County, California Poverty by Race

rate

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8.86%

Overall Poverty Rate

8.16%

Male Poverty Rate

9.53%

Female Poverty Rate

Poverty in Solano County, California

The race most likely to be in poverty in Solano County, California is Black, with 18.21% below the poverty level.

The race least likely to be in poverty in Solano County, California is Asian, with 6.48% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.72%. Among those working part-time, it was 9.61%, and for those that did not work, the poverty rate was 14.81%.

Solano County, California Poverty

rate

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Solano County, California Poverty Rate by Education

rate

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Solano County, California Poverty Rate by Employment Status and Sex

Solano County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Solano County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.4%

Overall Marriage Rate

49.4%

Male Marriage Rate

47.4%

Female Marriage Rate

Solano County, California Married by Age and Sex

male

female

Solano 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.

Solano County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Solano County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

30,444

Number of Veterans

27,038

Male Veterans

3,406

Female Veterans

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Solano County, California Veterans by War

count

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Solano County, California Veterans by Age

count

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Solano County, California Veterans by Race

Solano County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.02%

Veteran Poverty Rate

28.4%

Veteran Disability Rate

Solano County, California Veterans by Education

LaborForceParticipation

63.4%

Labor Force Participation

58.5%

Employment Rate

6%

Unemployment Rate

Solano County, California Employment by Age

LaborForceParticipation

Solano County, California Employment by Race

LaborForceParticipation

Solano 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

58.01%

Born in Solano County, California

79.22%

Native Born

19.46%

Foreign Born

7.85%

Non Citizen

11.6%

Naturalized

Place of Birth

79.22% of Solano County, California residents were born in the United States, with 58.01% having been born in California. 7.85% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Solano County, California Place of Birth

Sources