Sierra County Map, California, USA

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

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

Sierra County Map, California

Map of Sierra County, California, United States

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

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  • About Sierra County, California

    Sierra County is a county located in the eastern part of the U.S. state of California. It is situated in the Sierra Nevada region and its county seat is Downieville. As of the 2020 census, the population of Sierra County was estimated to be around 2,900 people.According to the United States Census Bureau, the county has a total area of 953 sq mi (2,468 km2). Sierra County was established on 1852.

    Sierra County is known for its natural beauty, with many outdoor recreational activities available such as fishing, hiking, camping, and skiing. The county is home to several national forests, including Tahoe National Forest and Plumas National Forest. It also contains several bodies of water, such as the Yuba River and Lakes Basin Recreation Area.

    The economy of Sierra County is primarily based on tourism, with many visitors coming to enjoy the county's natural attractions. The county also has some mining and logging operations, although these industries have declined in recent years.

    Sierra County has a rich history, including the California Gold Rush and the construction of the Western Pacific Railroad. The county has several historic sites, including the Downieville Museum, the Kentucky Mine Historic Park, and the Sierra City Cemetery.

    Facts about Sierra County, California

    CountryUnited States
    StateCalifornia
    RegionNorthern Sierra Nevada
    County SeatDownieville
    Named AfterSierra Nevada mountain range
    Established1852
    Organized1852
    Coordinates39.5765° N, 120.5217° W
    Total Area953 sq mi
    Land Area953 sq mi
    Water Area0 sq mi
    Population (2020)3,240
    Population RankOne of the least populous counties in California
    Major CommunitiesDownieville, Loyalton, Sierra City
    Main IndustriesGovernment Services, Tourism, Forestry, Agriculture
    Major AirportNone (nearest commercial airports outside the county)
    Time ZonePacific Time (UTC−08:00)
    Known ForGold Rush history, Sierra Nevada scenery, Outdoor recreation, Rural mountain communities
    Websitehttps://www.sierracounty.ca.gov

    Ctities and Towns in Sierra County

    City NameTypePopulation (2020)Pop. DensityAreaIncorporated
    AndersonCity11,3231,610.7/sq mi (621.9/km2)7.03 sq mi (18.2 km2)January 16, 1956
    ReddingCity93,6111,569.3/sq mi (605.9/km2)59.65 sq mi (154.5 km2)October 4, 1887
    Shasta LakeCity10,371949.7/sq mi (366.7/km2)10.92 sq mi (28.3 km2)July 2, 1993

    Places to Visit in Sierra County

    Top places to visit in Sierra includes Yosemite National Park, Lassen Volcanic National Park, Sierra Hot Springs, LAKES BASIN, Sierra Buttes Fire Lookout, Lake Tahoe, Webber Falls, Columbia State Historic Park, .

    Highways in Sierra County

    U.S. Route 395, Interstate 80, State Route 49, State Route 89, County Route A23, County Route A24.

    Nearest Airports

    Nearest airport of Sierra is Sierraville Dearwater Airport.