Sonoma County , California

County in California, United States

Sonoma County, CA locator map
Location of Sonoma County, CA on California map.

About

Sonoma County is a county located in the U.S. state of California. As of the 2010 census, the population was 483,878 and a population density of 106 people per km². After 9 years in 2019 county had an estimated population of 494,336 inhabitants. Its county seat is Santa Rosa. The county was created 171 years ago in 1849.

The county has a total area of 1,768.35 square miles (4580 km2).

Sonoma County map

Sonoma County, CA Quick Facts

Population : 494,336 (2019)
Country : United States of America
State : California
Area : 4580 km2
Water as percent of area : 10.87%
Land as percent of area : 89.13%
Named for : Sonoma
Altitude : 545 feet / 166 meters
Capital : Santa Rosa
Establishment : January 01, 1850
Time Zone : Pacific Time Zone
Local time : 07:47:07 (14th April 2021)
Density : 108 Pop. per km² as of 2019
Population growth : 2.12% (2010-2019)

Sonoma County, CA has 5 neighbors .

  • Santa Rosa

Year Population Method
2010 483,878 census
2011 487,421 estimation process
2012 489,993 estimation process
2013 494,073 estimation process
2014 498,560 estimation process
2015 500,863 estimation process
2016 502,547 estimation process
2017 502,469 estimation process
2018 498,643 estimation process
2019 494,336 estimation process

The population of Sonoma County increased by 2.12% in 9 years.

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People born in Sonoma County, CA (11)

Many people were born here, including murdered child Nicholas Green, Television producer, screenwriter Leonard Freeman, Miss USA Shawnae Jebbia, you can see a list of people who born in Sonoma County, CA.

Sonoma County, CA Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Sonoma County, CA.

City Name Population Title
Santa Rosa 176,753 City in Sonoma County, California, United States
Petaluma 60,520 City in Sonoma County, California
Rohnert Park 43,291 City in California
Windsor 27,128 City in California
Healdsburg 11,845 City in California
Sonoma 11,024 Town in Sonoma County, California, United States
Cloverdale 8,656 City in California
Cotati 7,410 City in California
Rio Dell 3,349 Unincorporated community in Sonoma County, California

California Other Counties (more counties)

County Name Population Title
Los Angeles County 10,039,107 County in California, United States of America
Los Angeles 3,979,576 County seat of Los Angeles County, California; second largest city in the United States by population
San Diego County 3,338,330 San Diego County, founded in 1850, is one of 58 counties in the US state of California.
Orange County 3,175,692 County in California, United States
Riverside County 2,470,546 County in California, United States
San Bernardino County 2,180,085 County in California, United States
Santa Clara County 1,927,852 County in California, United States
Alameda County 1,671,329 County in California, United States
Sacramento County 1,552,058 County in California, United States
San Diego 1,423,851 City in San Diego County, California, United States, eighth largest city in the country by population
Laguna 1,370,232 Province of the Philippines
Contra Costa County 1,153,526 County in California, United States
San Jose 1,021,795 County seat of Santa Clara County, California; tenth largest city in the United States by population
Fresno County 999,101 County in California, United States
City and County of San Francisco 883,869 Consolidated city-county in California, United States
San Francisco 881,549 Consolidated city-county in California, United States
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