Weston County, Wyoming

Weston County population, land area and income

Weston County had 6,866 residents in the Census Vintage 2024 estimate, on 2,398.0 square miles of land. It ranks 21st of 23 in Wyoming by population and 18th by land area. That works out to 2.9 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Wyoming has 14,250 residents, so Weston County has 48% of the typical county's population.

Its SAIPE 2023 median household income of $66,429 is above the national county median among 3,143 counties with an estimate.

How Weston County's population changed since 2020

Weston County gained 49 residents between the July 2020 and July 2024 estimates, a rise of 0.7%. That ranks 14th of 23 in Wyoming for growth. The median Wyoming county changed by +0.9%, and the state as a whole by +1.7%.

Since the April 2020 estimates base, Weston County recorded 215 births and 348 deaths, a natural change of -133. Net international migration added -5 and net domestic migration, people moving to or from other US counties, came to +157. The largest single component was domestic migration, which added 157 people.

Where Weston County is

The Census internal point of Weston County is at 43.846200, -104.570000. It sits in UTM zone 13N. The map shades Wyoming's 23 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Weston County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Weston County

One incorporated place of 1,000+ people has residents in Weston County, 3,354 people together, or 49% of the county. Each figure counts only the part of the town inside Weston County; towns marked "part" extend into another county. The largest is Newcastle with 3,354.

Counties bordering Weston County

The Census 2024 county adjacency file lists 7 neighbors for Weston County, including 3 across a state line. The most populous is Pennington County, SD, with 115,979 residents. Distances run between Census internal points in a straight line.

• SD

  Pennington County, SD

  115,979 people

  88 mi E

• Campbell County

  47,946 people

  53 mi WNW

• SD

  Lawrence County, SD

  28,809 people

  51 mi NE

• Converse County

  13,766 people

  76 mi SW

• SD

  Custer County, SD

  9,330 people

  56 mi E

• Crook County

  7,775 people

  51 mi N

• Niobrara County

  2,301 people

  54 mi S

Distance to Cheyenne and the nearest big city

Cheyenne is 187.4 miles S of Weston County's internal point in a straight line. The nearest place of 100,000 or more is Fort Collins, CO (population 170,924), 229.3 miles away. The nearest place of 10,000 or more is Gillette, WY (population 33,846), 54.7 miles away.

Weston County FIPS code

The FIPS code of Weston County is 56045: state code 56 for Wyoming plus county code 045. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $66,429.