Sonoma County, California Population 2018

Sonoma County, California's estimated population is 504,217 with a growth rate of 1.29% 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
2017504,2176,4411.29%
2016497,776-6,057-1.20%
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
White378,638
Some Other Race60,010
Two or More Races24,904
Asian19,421
Black or African American7,848
American Indian and Alaska Native5,353
Native Hawaiian and Other Pacific Islander1,602

Race Data via US Census (2016 ACS 5-Year Survey)

Sonoma County, California Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Sonoma County, California Median Age

41.2


Total

39.5


Male

43


Female

Sonoma County, California Adults

There are 395,234 adults, (83,129 of which are seniors) in Sonoma County, California.

Sonoma County, California Age Dependency

59.7

Age Dependency Ratio

26.7

Old Age Dependency Ratio

32.9

Child Dependency Ratio

Sonoma County, California Sex Ratio

Female

253,857

51.00%

Male

243,919

49.00%

Sonoma County, California Households and Families

Sonoma County, California Renter vs Owner Occupied by Household Type

Sonoma County, California Household Types

Type Owner Renter
Married71.9%28.1%
All59.7%40.3%
Non Family50.7%49.3%
Female44.2%55.8%
Male43%57%

59.7%

Rate of Home Ownership

Sonoma County, California Households by Type

Type Count Average Size Owned
All189,0432.5959.7
Married89,7033.2471.9
Non Family69,1741.3650.7
Female19,9663.444.2
Male10,2003.5543

3.15

Average Family Size

2.59

Average Household Size

7.3%

Unmarried (Opposite Sex)

0.7%

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 Grade23,2756.64%
9th to 12th Grade21,5156.14%
High School Graduate68,11319.43%
Some College88,61325.27%
Associates Degree33,1599.46%
Bachelors Degree74,39321.22%
Graduate Degree41,54911.85%

Sonoma County, California Educational Attainment by Race

Name Total High School Bachelors
White250,406238,60198,148
Hispanic70,37540,9177,676
Other Race33,14517,3252,304
Asian14,36912,3826,118
Multiple Races11,2439,9772,868
Black5,2654,5631,239
Native American3,4692,304312
Islander1,1451,023238

The highest rate of high school graduation is among white people with a rate of 95.29%.

The highest rate of bachelors degrees is among white people with a rate of 42.58%.

Sonoma County, California Earnings by Educational Attainment

Name Average Male Female
Overall$38,862$43,034$32,488
Less Than High School$24,464$27,078$18,186
High School Grad$30,771$36,235$24,242
Some College$38,748$45,422$32,048
Bachelors Degree$51,471$61,613$42,097
Graduate Degree$66,318$82,638$56,171

$38,862

Average Earnings

$43,034

Average Male

$32,488

Average Female

Sonoma County, California Language

Sonoma County, California Language by Age

Sonoma County, California Language

74.07% of Sonoma County, California residents speak only English, while 25.93% speak other languages. The largest non-English language is Spanish, which is spoken by 20.03% of the population.

Sonoma County, California Poverty

Sonoma County, California Poverty by Race

Name Total In Poverty Poverty Rate
White316,77228,2808.93%
Hispanic127,70920,67616.19%
Other59,01411,72419.87%
Multiple24,4223,34313.69%
Asian19,1312,02110.56%
Black7,4861,13015.09%
Native5,25879015.02%
Islander1,59017010.69%

11.22%

Overall Poverty Rate

10.60%

Male Poverty Rate

11.82%

Female Poverty Rate

Poverty in Sonoma County, California

The race most likely to be in poverty in Sonoma County, California is Other, with 19.87% below the poverty level.

The race least likely to be in poverty in Sonoma County, California is White, with 8.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.99%. Among those working part-time, it was 13.50%, and for those that did not work, the poverty rate was 17.99%.

Sonoma County, California Poverty Rate by Education

Name Poverty
Less Than High School18.35%
High School12.25%
Some College8.74%
Bachelors or Greater5.29%

Sonoma County, California Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed26.67%
Female Unemployed23.70%
Female Employed7.07%
Male Employed4.91%

Sonoma County, California Income

Sonoma County, California Income by Household Type

Name Median Mean
Households$66,833$91,256
Families$80,657$105,836
Married Families$93,892$120,608
Non Families$44,012$60,717

Sonoma County, California Marital Status

Sonoma County, California Marital Status

Marriage Rates

47.4%

Overall Marriage Rate

49.2%

Male Marriage Rate

45.7%

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 35To44.

Sonoma County, California Marital Status by Race

Sonoma County, California Veterans

Sonoma County, California Veterans by War

29,122

Number of Veterans

27,465

Male Veterans

1,657

Female Veterans

Name Veterans
Vietnam12,161
Second Gulf War3,368
First Gulf War3,325
Korea3,084
World War II2,322

Sonoma County, California Veterans by Age

Name Veterans
65 to 749,091
75+7,754
55 to 645,409
35 to 544,735
18 to 342,133

Sonoma County, California Veterans by Race

Name Veterans % of Total
White26,3428.45%
Hispanic1,8662.18%
2 or More7625.41%
Other6871.70%
Asian5623.43%
Black5559.01%
Indian2145.18%

Sonoma County, California Veterans by Education

7.12%

Veteran Poverty Rate

28.77%

Veteran Disability Rate

Sonoma County, California Employment Status

Sonoma County, California Employment by Age

64.7%

Labor Force Participation

60%

Employment Rate

7%

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