Map of Weston County, Wyoming


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

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

Map of Weston County, Wyoming

Map of Weston County, Wyoming

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

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  • About Weston County, Wyoming

    Weston County is located in the northeastern part of Wyoming, United States. Established in 1890, the county was named after Jefferson B. Weston, a prominent territorial official. The county seat and largest city is Newcastle, which serves as the primary commercial and administrative center. Weston County is known for its rolling plains, forested hills, and proximity to the Black Hills region.

    Population

    According to the United States Census Bureau, the population of Weston County was 6,723 as recorded in the 2020 Census. The majority of residents live in Newcastle, with smaller communities spread across rural areas of the county.

    Area and Geography

    According to the United States Census Bureau, Weston County covers a total area of approximately 2,400 square miles, including about 2,390 square miles of land and 10 square miles of water. The county features grasslands, wooded areas, and portions of the Black Hills, offering diverse natural scenery.

    Bordering Counties

    Weston County shares borders with the state of South Dakota to the east, Crook County to the north, Campbell County to the west, Converse County to the southwest, and Niobrara County to the south.

    Major Cities and Communities

    The principal communities in Weston County include Newcastle and Upton, which serve as residential, commercial, and transportation centers within the county.

    Attractions and Recreation

    Weston County offers outdoor recreation opportunities including hiking, hunting, fishing, and exploring scenic landscapes near the Black Hills. The county’s natural beauty and quiet rural setting reflect its western character.

    Transportation

    Major transportation routes serving Weston County include U.S. Highways 16 and 85, providing important connections to neighboring counties and the state of South Dakota.

    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 Weston County Government Website.

    Facts about Weston County, Wyoming

    CountryUnited States
    StateWyoming
    RegionNortheastern Wyoming
    County SeatNewcastle
    Named AfterWeston County named for its western location in the Dakota Territory
    Established1890
    Organized1890
    Coordinates43.83° N, 104.57° W
    Total Area2,400 sq mi
    Land Area2,399 sq mi
    Water Area1 sq mi
    Population (2020)7,208
    Population RankAmong the least populous counties in Wyoming
    Largest TownNewcastle
    Main IndustriesAgriculture, Energy, Manufacturing, Government
    Major HighwaysU.S. Highway 16, U.S. Highway 85, State Highway 450
    Time ZoneMountain Time (UTC−07:00)
    Known ForBlack Hills foothills, ranching, energy resources
    Official Websitehttps://www.westoncountywy.gov

    Top Attractions in Weston County, Wyoming

    • Weston County Courthouse – Historic courthouse.
    • Historic Downtown Newcastle – Shops and dining.
    • Keyhole State Park (nearby) – Boating and fishing.
    • Rural Scenic Roadways – Countryside drives.
    • Community Parks – Picnic and recreation areas.
    • Black Hills Scenic Views (nearby) – Hiking and nature.
    • Newcastle Historic Museum – Local history exhibits.
    • Bighorn Mountains – Hiking and wildlife.
    • Fort Phil Kearny Historic Site – Military history landmark.
    • North Platte River – Fishing and river recreation.

    List of Cities and Towns in Weston County, Wyoming

    Newcastle, Upton, Osage