Sonoma County, California Population 2021

Sonoma County, California's estimated population is 485,722 with a growth rate of -0.88% in the past year according to the most recent United States census data. Sonoma County, California is the 18th largest county in California. The 2010 Population was 484,755 and has seen a growth of 0.20% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021485,722-4,307-0.88%
2020490,029-4,307-0.87%
2019494,336-4,307-0.86%
2018498,643-3,826-0.76%
2017502,469-78-0.02%
2016502,5471,6840.34%
2015500,8632,3030.46%
2014498,5604,4870.91%
2013494,0734,0800.83%
2012489,9932,5720.53%
2011487,4212,6660.55%
2010484,75596,53324.87%
1990388,22288,54129.55%
1980299,68194,79646.27%
1970204,88557,51039.02%
1960147,37543,97042.52%
1950103,40534,35349.75%
194069,0526,83010.98%
193062,22210,13219.45%
192052,0903,6967.64%
191048,3949,91425.76%
190038,4805,75917.60%
189032,7216,79526.21%
188025,9266,10730.81%
187019,8197,95267.01%
186011,86711,3072019.11%
18505600.00%
2021 Growth Rate
-0.88%
County Website
County Seat
2010 Population
484,755
Growth (since 2010)
0.20%
Loading...

Sonoma County, California Population Growth

Population by Race

Race Population Percentage
White373,66774.77%
Some Other Race64,63112.93%
Two or More Races26,7615.35%
Asian20,4434.09%
Black or African American8,2691.65%
American Indian and Alaska Native4,3950.88%
Native Hawaiian and Other Pacific Islander1,6060.32%
Loading...

Sonoma County, California Population by Race

Sonoma County, California Population Pyramid 2021

Loading...

Sonoma County, California Median Age

42.1


Total

40.5


Male

43.8


Female

Sonoma County, California Adults

There are 400,582 adults, (94,913 of whom are seniors) in Sonoma County, California.

Sonoma County, California Age Dependency

63.5

Age Dependency Ratio

31.1

Old Age Dependency Ratio

32.5

Child Dependency Ratio

Sonoma County, California Sex Ratio

Female

255,727

51.17%

Male

244,045

48.83%

Sonoma County, California Population by Age

Sonoma County, California Renter vs Owner Occupied by Household Type

Loading...

Sonoma County, California Household Types

Type Owner Renter
Married74%26%
All61.5%38.5%
Non Family51%49%
Female48.6%51.4%
Male44.8%55.2%

61.5%

Rate of Home Ownership

Sonoma County, California Households and Families

Type Count Average Size Owned
All189,3742.5961.5
Married91,0103.2374
Non Family68,9331.3851
Female19,0953.3348.6
Male10,3363.744.8

3.14

Average Family Size

2.59

Average Household Size

Loading...

Sonoma County, California Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade20,9705.84%
9th to 12th Grade19,3105.37%
High School Graduate67,37118.75%
Some College89,68724.96%
Associates Degree34,3949.57%
Bachelors Degree79,86422.23%
Graduate Degree47,71813.28%
Loading...

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

Sonoma County, California Educational Attainment by Race

Loading...
Name Total High School Bachelors
White251,667241,035105,470
Hispanic74,94648,42210,543
Other Race36,62020,7783,128
Asian15,49513,7776,884
Multiple Races12,83811,6273,387
Black5,5914,9941,666
Native American3,1902,541328
Islander1,2551,142316

The highest rate of high school graduation is among white people with a rate of 95.78%.

The highest rate of bachelors degrees is among asian people with a rate of 44.43%.

Sonoma County, California Educational Attainment by Race

Loading...
Name Average Male Female
Overall$43,184$49,868$36,496
Less Than High School$27,020$31,347$20,281
High School Grad$34,010$41,292$26,609
Some College$42,390$51,867$35,217
Bachelors Degree$57,266$71,060$49,716
Graduate Degree$71,176$88,164$61,472

$43,184

Average Earnings

$49,868

Average Male

$36,496

Average Female

Sonoma County, California Earnings by Educational Attainment

Sonoma County, California Language by Age

Loading...

Sonoma County, California Language

74.43% of Sonoma County, California residents speak only English, while 25.57% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 19.83% of the population.

Sonoma County, California Language

Sonoma County, California Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White312,34824,0217.69%
Hispanic131,01915,85912.10%
Other63,5179,43014.85%
Multiple26,3442,72610.35%
Asian20,1261,8159.02%
Black7,8901,39417.67%
Native4,28251011.91%
Islander1,50522214.75%

9.22%

Overall Poverty Rate

8.43%

Male Poverty Rate

9.98%

Female Poverty Rate

Poverty in Sonoma County, California

The race most likely to be in poverty in Sonoma County, California is Black, with 17.67% below the poverty level.

The race least likely to be in poverty in Sonoma County, California is White, with 7.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.64%. Among those working part-time, it was 10.95%, and for those that did not work, the poverty rate was 16.34%.

Sonoma County, California Poverty

Loading...
Name Poverty
Less Than High School16.59%
High School10.68%
Some College7.66%
Bachelors or Greater4.52%

Sonoma County, California Poverty Rate by Education

Loading...
Name Poverty
Male Unemployed23.13%
Female Unemployed20.01%
Female Employed5.76%
Male Employed3.76%

Sonoma County, California Poverty Rate by Employment Status and Sex

Sonoma County, California Income by Household Type

Loading...
Name Median Mean
Households$81,018$108,169
Families$97,203$126,093
Married Families$112,065$141,599
Non Families$51,153$70,150
Loading...

Income by Household Type

Sonoma County, California Marital Status

Loading...

Marriage Rates

47.8%

Overall Marriage Rate

49.4%

Male Marriage Rate

46.3%

Female Marriage Rate

Sonoma County, California Married by Age and Sex

Loading...

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

Loading...

Sonoma County, California Marital Status

Loading...

25,613

Number of Veterans

24,091

Male Veterans

1,522

Female Veterans

War Veterans
Vietnam11,056
First Gulf War3,837
Second Gulf War3,590
Korea2,331
World War II1,014

Sonoma County, California Veterans by War

Loading...
Age Group Veterans
65 to 748,467
75+7,111
35 to 544,324
55 to 643,918
18 to 341,793

Sonoma County, California Veterans by Age

Loading...
Name Veterans % of Total
White22,8627.36%
Hispanic2,1722.41%
2 or More8045.17%
Other6671.50%
Black5798.64%
Asian4512.61%
Indian2286.29%
Hawaiian221.53%

Sonoma County, California Veterans by Race

Sonoma County, California Veterans by Education

Loading...

5.62%

Veteran Poverty Rate

28.72%

Veteran Disability Rate

Sonoma County, California Veterans by Education

Loading...

65.2%

Labor Force Participation

62.1%

Employment Rate

4.4%

Unemployment Rate

Sonoma County, California Employment by Age

Loading...

Sonoma County, California Employment by Race

Loading...

Sonoma County, California Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

61.65%

Born in California

83.58%

Native Born

16.42%

Foreign Born

9.20%

Non Citizen

7.22%

Naturalized

Place of Birth

83.58% of Sonoma County, California residents were born in the United States, with 61.65% having been born in California. 9.20% 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

  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