Sonoma County, California Population 2023

490,357

Sonoma County, California's estimated 2023 population is 490,357 with a growth rate of 0.1% in the past year according to the most recent United States census data. Sonoma County, California is the 17th largest county in California. The 2010 population was 483,878 and has seen a growth of 1.34% since that time.

Note: data after 2020 is projected based on recent growth

Sonoma County, California Population 2023

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Sonoma County, California Population by Race

Sonoma County, California Population Pyramid 2023

Sonoma County, California Median Age

42.4

Total

40.9

Male

44

Female

Sonoma County, California Adults

There are 399,200 adults, (97,461 of whom are seniors) in Sonoma County, California.

Sonoma County, California Age Dependency

64.6

Age Dependency Ratio

32.3

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Sonoma County, California Sex Ratio

Female254,14451.16%
Male242,65748.84%

Sonoma County, California Population by Age

Sonoma County, California Renter vs Owner Occupied by Household Type

3.13

Average Family Size

2.58

Average Household Size

61.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sonoma County, California Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Sonoma County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among white people with a rate of 86.59%.

The highest rate of bachelors degrees is among asian people with a rate of 40.41%.

Sonoma County, California Educational Attainment by Race

All

Male

Female

$45,145

Average Earnings

$51,166

Average Male

$38,711

Average Female

Sonoma County, California Earnings by Educational Attainment

Sonoma County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sonoma County, California Language

74.09% of Sonoma County, California residents speak only English, while 25.91% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.04% of the population.

Sonoma County, California Language

Sonoma County, California Poverty by Race

rate

10.34%

Overall Poverty Rate

7.67%

Male Poverty Rate

9.87%

Female Poverty Rate

Poverty in Sonoma County, California

The race most likely to be in poverty in Sonoma County, California is Other, with 19.78% below the poverty level.

The race least likely to be in poverty in Sonoma County, California is White, with 8.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.37%. Among those working part-time, it was 9.88%, and for those that did not work, the poverty rate was 16.21%.

Sonoma County, California Poverty

Sonoma County, California Poverty Rate by Education

Sonoma County, California Poverty Rate by Employment Status and Sex

Sonoma County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Sonoma County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.7%

Overall Marriage Rate

50.6%

Male Marriage Rate

46.9%

Female Marriage Rate

Sonoma County, California Married by Age and Sex

male

female

Sonoma 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.

Sonoma County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sonoma County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

25,212

Number of Veterans

23,720

Male Veterans

1,492

Female Veterans

Sonoma County, California Veterans by War

Sonoma County, California Veterans by Age

count

Sonoma County, California Veterans by Race

Sonoma County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.31%

Veteran Poverty Rate

29.16%

Veteran Disability Rate

Sonoma County, California Veterans by Education

LaborForceParticipation

65%

Labor Force Participation

61.8%

Employment Rate

4.6%

Unemployment Rate

Sonoma County, California Employment by Age

LaborForceParticipation

Sonoma County, California Employment by Race

LaborForceParticipation

Sonoma 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

62.77%

Born in Sonoma County, California

84.76%

Native Born

16.86%

Foreign Born

9.22%

Non Citizen

7.64%

Naturalized

Place of Birth

84.76% of Sonoma County, California residents were born in the United States, with 62.77% having been born in California. 9.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sonoma County, California Place of Birth

Sources