Sonoma County, California Population 2018

Sonoma County, California's estimated population is 504,217 with a growth rate of 0.08% in the past year according to the most recent United States census data. Sonoma County, California is the 17th largest county in California.

Year Population Growth Growth Rate
2017500,943-3,274-0.65%
2017504,2173840.08%
2016503,8331,7370.35%
2015502,0962,5330.51%
2014499,5634,5560.92%
2013495,0074,2670.87%
2012490,7402,9180.60%
2011487,8222,9950.62%
2010484,82796,60524.88%
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%

Sonoma County, California Population Growth

Population Data via

Population by Race

Race Population
White377,401
Some Other Race62,101
Two or More Races26,561
Asian19,605
Black or African American7,848
American Indian and Alaska Native5,750
Native Hawaiian and Other Pacific Islander1,677

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Sonoma County, California Population Pyramid 2018

5,00010,00015,00020,000 Male Population5,00010,00015,00020,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Sonoma County, California Median Age

41.4


Total

39.9


Male

43.2


Female

Sonoma County, California Adults

There are 398,997 adults, (87,139 of whom are seniors) in Sonoma County, California.

Sonoma County, California Age Dependency

60.6

Age Dependency Ratio

27.9

Old Age Dependency Ratio

32.7

Child Dependency Ratio

Sonoma County, California Sex Ratio

Female

255,562

51.02%

Male

245,381

48.98%

Sonoma County, California Households and Families

Sonoma County, California Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Sonoma County, California Household Types

Type Owner Renter
Married72.9%27.1%
All60.3%39.7%
Non Family50.3%49.7%
Female45.3%54.7%
Male44.2%55.8%

60.3%

Rate of Home Ownership

Sonoma County, California Households by Type

Type Count Average Size Owned
All190,0582.5960.3
Married90,8173.2672.9
Non Family69,6691.3650.3
Female19,6273.3945.3
Male9,9453.5544.2

3.16

Average Family Size

2.59

Average Household Size

7.3%

Unmarried (Opposite Sex)

0.6%

Unmarried (Same Sex)

Sonoma County, California Households

Sonoma County, California Education

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

Education Attained Count Percentage
Less Than 9th Grade22,4716.32%
9th to 12th Grade21,2875.99%
High School Graduate68,00019.14%
Some College89,69825.25%
Associates Degree33,5859.45%
Bachelors Degree77,01621.68%
Graduate Degree43,24612.17%

Sonoma County, California Educational Attainment by Race

Name Total High School Bachelors
White251,730239,852100,125
Hispanic72,48843,8839,106
Other Race34,74518,4932,781
Asian14,78012,9096,319
Multiple Races12,24011,0773,593
Black5,3964,7611,362
Native American3,6572,559295
Islander1,2251,138302

The highest rate of high school graduation is among white people with a rate of 95.28%.

The highest rate of bachelors degrees is among white people with a rate of 42.75%.

Sonoma County, California Earnings by Educational Attainment

Name Average Male Female
Overall$40,529$45,813$34,165
Less Than High School$25,291$29,061$19,173
High School Grad$31,759$38,225$24,654
Some College$40,471$47,503$33,811
Bachelors Degree$51,976$62,797$42,341
Graduate Degree$68,001$86,295$58,416

$40,529

Average Earnings

$45,813

Average Male

$34,165

Average Female

Sonoma County, California Language

Sonoma County, California Language by Age

Sonoma County, California Language

74.45% of Sonoma County, California residents speak only English, while 25.55% speak other languages. The largest non-English language is Spanish, which is spoken by 19.74% of the population.

Sonoma County, California Poverty

Sonoma County, California Poverty by Race

Name Total In Poverty Poverty Rate
White316,14027,2638.62%
Hispanic129,98719,66815.13%
Other61,06211,01918.05%
Multiple26,0583,09611.88%
Asian19,4081,8379.47%
Black7,5661,23616.34%
Native5,63866211.74%
Islander1,65818711.28%

10.66%

Overall Poverty Rate

9.97%

Male Poverty Rate

11.32%

Female Poverty Rate

Poverty in Sonoma County, California

The race most likely to be in poverty in Sonoma County, California is Other, with 18.05% below the poverty level.

The race least likely to be in poverty in Sonoma County, California is White, with 8.62% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.90%. Among those working part-time, it was 12.97%, and for those that did not work, the poverty rate was 17.41%.

Sonoma County, California Poverty Rate by Education

Name Poverty
Less Than High School17.54%
High School11.31%
Some College8.44%
Bachelors or Greater5.21%

Sonoma County, California Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed27.16%
Female Unemployed22.70%
Female Employed6.95%
Male Employed4.57%

Sonoma County, California Income

Sonoma County, California Income by Household Type

Name Median Mean
Households$71,769$96,675
Families$86,604$113,052
Married Families$100,647$128,380
Non Families$45,495$62,944

Sonoma County, California Marital Status

Sonoma County, California Marital Status

Marriage Rates

47.6%

Overall Marriage Rate

49.1%

Male Marriage Rate

46.2%

Female Marriage Rate

Sonoma County, California Married by Age and Sex

Sonoma County, California Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Sonoma County, California Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Sonoma County, California Veterans

Sonoma County, California Veterans by War

28,160

Number of Veterans

26,453

Male Veterans

1,707

Female Veterans

Name Veterans
Vietnam12,076
Second Gulf War3,367
First Gulf War3,359
Korea2,894
World War II1,776

Sonoma County, California Veterans by Age

Name Veterans
65 to 749,152
75+7,531
55 to 644,850
35 to 544,736
18 to 341,891

Sonoma County, California Veterans by Race

Name Veterans % of Total
White25,4368.15%
Hispanic2,0402.32%
2 or More7975.21%
Other7051.67%
Asian6273.75%
Black3886.20%
Indian2074.88%

Sonoma County, California Veterans by Education

7.15%

Veteran Poverty Rate

29.01%

Veteran Disability Rate

Sonoma County, California Employment Status

Sonoma County, California Employment by Age

64.7%

Labor Force Participation

60.7%

Employment Rate

5.9%

Unemployment Rate

Sonoma County, California Employment by Race

Sonoma County, California Employment by Education

Population of Cities in Sonoma County, California

City 2010 Census 2016 Estimated Growth Growth Rate
Santa Rosa16783417515573214.36%
Petaluma579416053025894.47%
Rohnert Park408184262218044.42%
Windsor26795275557602.84%
Healdsburg11254118275735.09%
Sonoma10652110544023.77%
Cloverdale861888011832.12%
Sebastopol739276782863.87%
Cotati726574551902.62%
Data Sources
  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