Solano County, California

county in California, United States of America

Solano County is a county in the U.S. state of California. As of the 2020 census, the population was 453,491.[1] The county seat is Fairfield.[2] It is the northeastern county in the nine-county San Francisco Bay Area region.

A portion of the South Campus at the University of California, Davis is in Solano County.

Solano County was created in 1850.


  1. "QuickFacts: Solano County, California". U.S. Census Bureau. Retrieved May 10, 2023.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.