Modoc County Map, California, USA

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

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

Modoc County Map, California

Map of Modoc County, California, United States

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

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  • About Modoc County, California

    Modoc County is a county located in the northeastern corner of the state of California, in the United States. The county seat and only incorporated city is Alturas. As of the 2020 census, the population was 8,101. Modoc County was established on 1874.

    Modoc County is bordered by Oregon to the north and Nevada to the east. It is the third-least populous county in California and one of the most rural counties in the state.

    The economy of Modoc County is primarily based on agriculture, with cattle and hay being the most important products. Timber production and mining are also significant industries in the county. The Modoc National Forest, which covers over one million acres, is a major source of recreation and tourism for the area.

    Modoc County is known for its stunning natural beauty and outdoor recreational opportunities, including hiking, fishing, hunting, and camping. The county is also home to several wildlife refuges and protected areas, such as the Modoc National Wildlife Refuge, which provides habitat for many migratory bird species.

    Facts about Modoc County, California

    CountryUnited States
    StateCalifornia
    RegionNortheastern California (Great Basin)
    County SeatAlturas
    Named AfterModoc Native American tribe
    Established1874
    Organized1874
    Coordinates41.5926° N, 120.7243° W
    Total Area4,203 sq mi
    Land Area3,918 sq mi
    Water Area285 sq mi
    Population (2020)8,700
    Population RankOne of the least populous counties in California
    Major CityAlturas
    Main IndustriesAgriculture, Forestry, Government Services
    Major AirportAlturas Municipal Airport
    Time ZonePacific Time (UTC−08:00)
    Known ForHigh desert landscapes, Lava Beds National Monument (nearby), Wildlife refuges
    Websitehttps://www.co.modoc.ca.us

    Ctities and Towns in Modoc County

    City NameTypePopulation (2020)Pop. DensityAreaIncorporated
    AlturasCity2,715956.0/sq mi (369.1/km2)2.84 sq mi (7.4 km2)September 16, 1901

    Places to Visit in Modoc County

    Top places to visit in Modoc includes Modoc National Forest, Modoc National Wildlife Refuge, Tule Lake Relocation, South Warner ,Surprise Valley Veterinary Center.

    Highways in Modoc County

    U.S. Route 395, State Route 139, State Route 299.

    Nearest Airports

    Nearest airport of Modoc is Tulelake Muni Airport-O81.