Solano County Map, California, USA

Written and fact-checked by | Last Updated: December 16, 2025, 14:30 ET

Map of Solano County - Solano County is a county located in the U.S. state of California. Solano County Map showing cities, highways, important places and water bodies. Get Where is Solano County located in the map, major cities in Solano county, population, areas, and places of interest.

Solano County Map, California

Map of Solano County, California, United States

About Solano County Map, California: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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  • About Solano County, California

    Solano County is a county located in the northeastern part of the San Francisco Bay Area in California. Its county seat is Fairfield, and as of the 2020 census, the population was estimated to be around 450,000 people.According to the United States Census Bureau, the county has a total area of 828 sq mi (2,145 km2). Solano County was established on 1850.

    Solano County is known for its diverse communities and rich history. The county is home to several notable cities, including Vallejo, Fairfield, and Vacaville. It is also home to several military installations, including Travis Air Force Base and the California Maritime Academy.

    The economy of Solano County is diverse, with a variety of industries contributing to its growth. The county is home to several large employers, including the Anheuser-Busch brewery in Fairfield and the Jelly Belly candy factory in Fairfield. The county is also home to several wineries and vineyards, which produce award-winning wines.

    Solano County has a rich history, with evidence of human habitation dating back thousands of years. The county was home to several Native American tribes, including the Patwin and Suisun. In the 19th century, the area was settled by European-Americans during the California Gold Rush. Today, the county has several historic sites, including the Suisun City Historic Waterfront District, the Travis Air Force Base Museum, and the Western Railway Museum.

    Facts about Solano County, California

    CountryUnited States
    StateCalifornia
    RegionSan Francisco Bay Area (North Bay)
    County SeatFairfield
    Named AfterChief Solano
    Established1850
    Organized1850
    Coordinates38.2675° N, 121.9390° W
    Total Area906 sq mi
    Land Area822 sq mi
    Water Area84 sq mi
    Population (2020)453,491
    Population RankMid-sized county in California
    Major CitiesVallejo, Fairfield, Vacaville, Benicia
    Main IndustriesManufacturing, Logistics, Government Services, Healthcare
    Major AirportNone (nearest major airports outside the county)
    Time ZonePacific Time (UTC−08:00)
    Known ForTravis Air Force Base, San Pablo Bay, Delta waterways, Military presence
    Websitehttps://www.solanocounty.com

    Ctities and Towns in Solano County

    City NameTypePopulation (2020)Pop. DensityAreaIncorporated
    BeniciaCity27,1312,118.0/sq mi (817.7/km2)12.81 sq mi (33.2 km2)March 27, 1850
    DixonCity18,9882,674.4/sq mi (1,032.6/km2)7.1 sq mi (18.4 km2)March 30, 1878
    FairfieldCity119,8812,882.4/sq mi (1,112.9/km2)41.59 sq mi (107.7 km2)December 12, 1903
    Rio VistaCity10,0051,515.9/sq mi (585.3/km2)6.6 sq mi (17.1 km2)January 6, 1894
    Suisun CityCity29,5187,361.1/sq mi (2,842.1/km2)4.01 sq mi (10.4 km2)October 9, 1868
    VacavilleCity102,3863,427.7/sq mi (1,323.5/km2)29.87 sq mi (77.4 km2)August 9, 1892
    VallejoCity126,0904,145.0/sq mi (1,600.4/km2)30.42 sq mi (78.8 km2)March 30, 1868

    Places to Visit in Solano County

    Top places to visit in Solano includes Six Flags Discovery, Golden Gate Bridge, Alcatraz Island, Paradise Valley Golf Course, Muir Woods National, Rush Ranch Open Space, UC Davis Arboretum.

    Highways in Solano County

    Interstate 80, Interstate 505, Interstate 680, Interstate 780, State Route 12, State Route 29, State Route 37, State Route 84, State Route 113.

    Nearest Airports

    Nearest airport of Solano is Sacramento International Airport (SMF / KSMF).