Solano County, California

Solano County: County in California, United States of America


Solano County is a county located in the U.S. state of California. As of the 2010 census, the population was 413,344 and a population density of 176 people per km². After 10 years in 2020 county had an estimated population of 446,935 inhabitants. Its county seat is Fairfield. The county was created 173 years ago in 1849.

Quick Facts about Solano County

Population : 446,935 (2020)
Country : United States of America
State : California (United States)
Area : 2348 km2
Water as percent of area : 9.32%
Land as percent of area : 90.68%
Named for : Chief Solano
Altitude : 16 feet / 5 meters
Capital : Fairfield
Establishment : January 01, 1850
Time Zone : UTC−08:00
Local time : 22:53:54 (8th February 2023)
Density : 190 Pop. per km² as of 2020
Population growth : 7.52% (2010-2020)
Solano County locator map
Location of Solano County on California map.
Solanocountygovoffice image
Solanocountygovoffice image


Solano County is located at 38°16'1"N 121°56'24"W (38.2669200, -121.9400100). It has 5 neighbors: Contra Costa County, Napa County, Sacramento County, Sonoma County and Yolo County.

Solano County map

The largest city of Solano County is Vallejo with a population of 120,747. Other cities include, Vacaville population 101,332, Suisun population 29,305, Benicia population 27,988 and Dixon population 20,440. See all Solano County cities & populated places.

Solano County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Solano County.

City Name Population Title
Vallejo 120,747 City in Solano County, California, United States
Fairfield 117,580 Town in Connecticut, United States of America
Vacaville 101,332 City in Solano County, California, United States of America
Suisun 29,305 City in Solano County, California, United States
Benicia 27,988 City in Solano County, California, United States
Dixon 20,440 Place in Solano county, California, USA

Solano County has 5 neighbours.

  • Fairfield


The population of Solano County increased by 7.52% in 10 years.

Year Population % Change Method
2010 413,344 - census
2011 416,342 0.72% estimation process
2012 419,674 0.79% estimation process
2013 423,659 0.94% estimation process
2014 429,006 1.25% estimation process
2015 433,409 1.02% estimation process
2016 438,858 1.24% estimation process
2017 443,511 1.05% estimation process
2018 445,725 0.5% estimation process
2019 447,643 0.43% estimation process
2020 446,935 -0.16% estimation process

Comte de Solano, Comté de Solano, Condado de Solano, Condado han Solano, Contea di Solano, Hrabstwo Solano, Kantono Solano, Okrug Solano, Quan Solano, Quận Solano, Solano, Solano Comitatus, Solano Kun, Solano Kūn, Solano konderria, Solano megye, Solano srjan, mqatʿt swlanw, shhrstan swlanw kalyfrnya, solano ka'unti, sorano jun, suo la nuo xian, Округ Солано, Солано, Սոլանո շրջան, سولانو کاؤنٹی, سولونو کاؤنٹی، کیلیفورنیا, شهرستان سولانو، کالیفرنیا, مقاطعة سولانو, সোলানো কাউন্টি, ソラノ郡, 索拉諾縣, 索拉诺县

People born in Solano County (9)

People born in Solano County, including creator of the Tcl/Tk development environment John Ousterhout, dancer Carol Doda, musician Mark Izu, .


  • Joanne Kyger (American poet) she was born in 19/11/1934
  • Stefan Janoski (American skateboarder) he was born in 18/07/1979
  • Fizzy Qwick (former Motown recording artist popular within the Northern Soul movement) she was born in 09/02/1953
  • Franco Harris (American basketball player (1983-)) he was born in 01/01/1983
  • Wanda Nero Butler (musician) she was born in 24/09/1958
  • Helen Maria Gardner (botanist and botanical collector) she was born in 01/01/1859

California Other Counties (more counties)

County Name Population Title
Los Angeles County 9,943,046 County in California, United States of America
Los Angeles 3,970,219 County seat of Los Angeles County, California; second largest city in the United States by population
San Diego County 3,332,427 San Diego County, founded in 1850, is one of 58 counties in the US state of California.
Orange County 3,166,857 County in California, United States
Riverside County 2,489,188 County in California, United States
San Bernardino County 2,189,183 County in California, United States
Santa Clara County 1,907,105 County in California, United States
Alameda County 1,662,323 County in California, United States
Sacramento County 1,559,146 County in California, United States
San Diego 1,422,420 City in San Diego County, California, United States, eighth largest city in the country by population
Laguna 1,370,232 Former census-designated place
Contra Costa County 1,152,333 County in California, United States
San Jose 1,013,616 County seat of Santa Clara County, California; tenth largest city in the United States by population
Fresno County 1,000,918 County in California, United States
Kern County 901,362
San Francisco County 866,606 County, coextensive with the city of San Francisco, California, United States