Trinity County Map, California, USA

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

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

Trinity County Map, California

Map of Trinity County, California, United States

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

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  • About Trinity County, California

    Trinity County is a county located in the northern part of the state of California, United States. The county seat and largest city is Weaverville. According to the United States Census Bureau, the county has a total area of 3,208 square miles (8,311 km²), of which 3,179 square miles (8,226 km²) is land and 29 square miles (75 km²) (0.9%) is water. As per 2020 census, the population of Trinity County is 16060 people and population density is square miles.

    As of the 2020 United States Census, the population of Trinity County was 12,319. The county is known for its natural beauty, including Trinity Alps Wilderness, a popular destination for hiking and backpacking. The area is also known for its rich history of mining and logging.

    Major cities and towns in Trinity County include Weaverville, Hayfork, and Lewiston. The county is bordered by Siskiyou County to the north, Shasta County to the east, Tehama County to the south, and Mendocino County and Humboldt County to the west.

    Facts about Trinity County, California

    CountryUnited States
    StateCalifornia
    RegionNorthern California (Trinity Alps & Klamath Mountains)
    County SeatWeaverville
    Named AfterTrinity River
    Established1850
    Organized1850
    Coordinates40.6518° N, 123.1126° W
    Total Area3,208 sq mi
    Land Area3,179 sq mi
    Water Area29 sq mi
    Population (2020)16,060
    Population RankOne of the least populous counties in California
    Major CommunitiesWeaverville, Hayfork, Trinity Center
    Main IndustriesGovernment Services, Forestry, Tourism, Outdoor Recreation
    Major AirportNone (nearest commercial airports outside the county)
    Time ZonePacific Time (UTC−08:00)
    Known ForTrinity Alps Wilderness, Trinity River, Gold Rush history, Scenic mountain landscapes
    Websitehttps://www.trinitycounty.org

    Ctities in Trinity county County

    Places to Visit in Trinity County

    Top places to visit in Trinity includes .

    Highways in Trinity County

    State Route 299, State Route 3, State Route 36 .

    Nearest Airports

    Nearest airport of Trinity are Trinity Center Airport, Weaverville Airport, Hayfork Airport, Hyampom Airport , Ruth Airport.