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Cities and Towns in Weston County, Wyoming

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Founded in 1890, Weston County is one of 23 counties in the state of Wyoming. Historically, Weston County was formed from part of Crook County. The city of Newcastle is the county seat. With FIPS code of 45, Weston County has a population of 6,745 and area of 2,398 square miles (6,211 km²).

Map_of_Weston_County_Wyoming

List of all cities in Weston County, WY alphabetically

  • Four Corners, WY
  • Newcastle, WY
  • Osage, WY
  • Upton, WY

Major Cities and Towns in Weston County, Wyoming

Newcastle

  • Area: 2.57 square miles
  • Population: 3,374 (as of the 2020 Census)
  • Zip Codes: 82701
  • Latitude and Longitude: 43.8547° N, 104.2069° W

Location and History

Newcastle, the county seat of Weston County, is located in northeastern Wyoming near the Black Hills region. The city was established in the late 19th century, primarily as a result of the expansion of the Chicago, Burlington and Quincy Railroad. Newcastle quickly became a significant center for the coal and oil industries, with nearby deposits providing fuel for the railroad and contributing to the local economy. The city was named after Newcastle upon Tyne in England, reflecting its early ties to the coal industry. Over time, Newcastle diversified its economy to include agriculture, tourism, and small manufacturing, while retaining its historic charm and close-knit community atmosphere.

Major Schools and Landmarks

Newcastle is served by Weston County School District #1, with Newcastle High School being the primary educational institution. The city is home to several notable landmarks, including the Weston County Courthouse, a historic building that serves as the center of county government and reflects the city’s early architectural style. Another key site is the Anna Miller Museum, which offers exhibits on local history, including displays related to the area’s Native American heritage, the railroad, and early settlers. Newcastle is also known for its proximity to the Black Hills, with opportunities for outdoor recreation such as hiking, fishing, and hunting. The annual Weston County Fair and Rodeo is a major event that celebrates the region’s agricultural heritage and brings the community together for a week of festivities, including rodeo events, parades, and local exhibitions.

Upton

  • Area: 0.99 square miles
  • Population: 898 (as of the 2020 Census)
  • Zip Codes: 82730
  • Latitude and Longitude: 44.1047° N, 104.6261° W

Location and History

Upton is a small town located in the northern part of Weston County, known as the “Best Town on Earth.” The town was established in the early 20th century as a stop along the Chicago, Burlington and Quincy Railroad, which played a crucial role in its development. Upton grew as a service center for the surrounding ranching and mining communities, with agriculture and coal mining serving as the primary economic drivers. The town’s growth was further supported by the construction of the highway system, which increased accessibility and connectivity to other parts of Wyoming and the Black Hills region. Today, Upton is a quiet, rural community with a strong focus on family life and preserving its small-town heritage.

Major Schools and Landmarks

Upton is served by Weston County School District #7, with Upton High School being the main educational institution. The town is known for its peaceful atmosphere and strong community spirit. Key landmarks include the Upton Municipal Park, which offers recreational facilities such as sports fields, playgrounds, and picnic areas, making it a central gathering place for residents. The town also hosts several annual events, including the Upton Fun Days, which features parades, rodeo events, and family-friendly activities that celebrate the town’s Western heritage. Additionally, Upton’s proximity to the Thunder Basin National Grassland provides opportunities for outdoor activities such as hiking, birdwatching, and exploring the natural beauty of northeastern Wyoming. Upton’s small-town charm, combined with its rich history and outdoor attractions, make it a welcoming community for residents and visitors alike.

Osage

  • Area: 0.46 square miles
  • Population: 208 (as of the 2020 Census)
  • Zip Codes: 82723
  • Latitude and Longitude: 43.9142° N, 104.4153° W

Location and History

Osage is a small unincorporated community located in the central part of Weston County. The town was established in the early 20th century as a coal mining community, with its development closely tied to the expansion of the railroad and the demand for coal. Osage grew rapidly during the height of the coal industry, attracting workers and their families to the area. However, as coal production declined in the mid-20th century, the town’s population decreased, and Osage transitioned into a quiet, rural community. Today, Osage is a small, close-knit community with a focus on preserving its historical heritage and maintaining its rural lifestyle.

Major Schools and Landmarks

Osage is part of Weston County School District #1, with students typically attending schools in nearby Newcastle. The town is known for its peaceful, rural setting and strong sense of community. A key landmark in Osage is the Osage Community Center, which serves as a gathering place for local events, meetings, and social activities. The surrounding landscape offers opportunities for outdoor recreation, including hiking, hunting, and exploring the natural beauty of the Black Hills region. The town’s small size and close-knit community make it a welcoming place for those seeking a quiet, rural lifestyle away from the hustle and bustle of larger towns. Osage’s history as a coal mining town and its transition to a more agricultural and residential community reflect the broader economic shifts that have shaped Weston County over the years.

Four Corners

  • Area: N/A (Unincorporated community)
  • Population: N/A (Unincorporated community)
  • Zip Codes: 82715
  • Latitude and Longitude: 43.8147° N, 104.3528° W

Location and History

Four Corners is a small unincorporated community located in the southwestern part of Weston County, near the Wyoming-South Dakota border. The community is named for its location at the intersection of several major routes that connect the surrounding towns and regions. Four Corners was historically a crossroads for travelers, ranchers, and miners moving through the area, and it served as a small service center for the local ranching community. The community’s location near the Black Hills and the Bear Lodge Mountains has made it a popular spot for outdoor enthusiasts seeking to explore the natural beauty of the region.

Major Schools and Landmarks

As an unincorporated community, Four Corners does not have its own schools; students typically attend schools in nearby towns such as Newcastle or Upton. The community is known for its scenic location and proximity to outdoor recreational areas, including the Black Hills National Forest and the Bear Lodge Mountains. These areas offer opportunities for hiking, camping, hunting, and wildlife observation, making Four Corners a popular destination for nature lovers. The community’s rural setting and access to natural attractions make it an ideal location for those seeking a peaceful retreat or a base for exploring the broader region. Despite its small size, Four Corners has a rich history as a crossroads community and continues to serve as a gateway to the natural wonders of northeastern Wyoming and the Black Hills.