Map of Natrona County, Wyoming


Written and Fact-checked by | Updated On: February 17, 2026, 20:21 ET

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

Map of Natrona County, Wyoming

Map of Natrona County, Wyoming

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

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  • About Natrona County, Wyoming

    Natrona County is located in the central part of Wyoming, United States. Established in 1888, the county was named after the mineral natron, historically mined in the region. The county seat and largest city is Casper, which serves as a major economic and transportation hub in central Wyoming. Natrona County has long been associated with energy production, ranching, and western heritage.

    Population

    According to the United States Census Bureau, the population of Natrona County was 79,955 as recorded in the 2020 Census. The majority of residents live in Casper, with additional communities spread across the county’s urban and rural areas.

    Area and Geography

    According to the United States Census Bureau, Natrona County covers a total area of approximately 5,376 square miles, including about 5,340 square miles of land and 36 square miles of water. The county features rolling plains, river valleys along the North Platte River, and portions of the Casper Mountain area.

    Bordering Counties

    Natrona County shares borders with Johnson County to the north, Converse County to the east, Fremont County to the west, and Carbon County to the south.

    Major Cities and Communities

    The principal communities in Natrona County include Casper, Mills, Evansville, and Bar Nunn, which serve as residential, commercial, and industrial centers.

    Attractions and Recreation

    Natrona County offers outdoor recreation opportunities including hiking, fishing, skiing, and camping. Casper Mountain and the North Platte River provide scenic landscapes and year-round activities, while museums and historic sites reflect the region’s energy and frontier heritage.

    Transportation

    Major transportation routes serving Natrona County include Interstate 25 and U.S. Highways 20, 26, and 287, providing important connections across central Wyoming and neighboring states.

    Explore more counties in Wyoming Counties or view the complete USA States Map section for additional geographic information.

    Sources:

    Population and area data sourced from the United States Census Bureau (2020 Census). General county information referenced from the Official Natrona County Government Website.

    Facts about Natrona County, Wyoming

    CountryUnited States
    StateWyoming
    RegionCentral Wyoming
    County SeatCasper
    Named AfterNatron (natural soda deposits)
    Established1890
    Organized1890
    Coordinates42.96° N, 106.80° W
    Total Area5,376 sq mi
    Land Area5,339 sq mi
    Water Area37 sq mi
    Population (2020)79,858
    Population RankThird most populous county in Wyoming
    Largest CityCasper
    Main IndustriesEnergy, Healthcare, Government, Transportation
    Major HighwaysInterstate 25, U.S. Highway 20/26, U.S. Highway 287
    Time ZoneMountain Time (UTC−07:00)
    Known ForOil and gas production, Platte River, central Wyoming hub
    Official Websitehttps://www.natronacountywy.gov

    Top Attractions in Natrona County, Wyoming

    • Casper Mountain – Hiking and scenic views.
    • Fort Casper Museum – Local history exhibits.
    • Natrona County Courthouse – Historic courthouse.
    • Downtown Casper Historic District – Shops and dining.
    • Nicolaysen Art Museum – Art exhibits and galleries.
    • North Platte River – Boating and fishing.
    • Community Parks – Picnic and recreation areas.
    • Rural Scenic Roadways – Countryside drives.
    • Casper Events Center – Concerts and events.
    • Historic Rail Depot – Railroad history site.

    List of Cities and Towns in Natrona County, Wyoming

    Casper, Evansville, Mills, Bar Nunn, Edgerton, Midwest, Hartrandt