Sublette County, Wyoming

Sublette County population, land area and income

Sublette County had 8,965 residents in the Census Vintage 2024 estimate, on 4,886.5 square miles of land. It ranks 16th of 23 in Wyoming by population and 6th by land area. That works out to 1.8 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; Sublette County is somewhat smaller.

Its SAIPE 2023 median household income of $78,217 is in the top quarter among 3,143 counties with an estimate.

How Sublette County's population changed since 2020

Sublette County gained 225 residents between the July 2020 and July 2024 estimates, a rise of 2.6%. That ranks 8th 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, Sublette County recorded 372 births and 320 deaths, a natural change of +52. Net international migration added -6 and net domestic migration, people moving to or from other US counties, came to +181. The largest single component was domestic migration, which added 181 people.

Where Sublette County is

The Census internal point of Sublette County is at 42.767900, -109.916200. It sits in UTM zone 12N. The map shades Wyoming's 23 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Sublette County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Sublette County

One incorporated place of 1,000+ people has residents in Sublette County, 2,005 people together, or 22% of the county. Each figure counts only the part of the town inside Sublette County; towns marked "part" extend into another county. The largest is Pinedale with 2,005.

Counties bordering Sublette County

The Census 2024 county adjacency file lists 4 neighbors for Sublette County. The most populous is Sweetwater County, WY, with 41,273 residents. Distances run between Census internal points in a straight line.

• Sweetwater County

  41,273 people

  93 mi SE

• Fremont County

  39,721 people

  69 mi ENE

• Teton County

  23,272 people

  92 mi NNW

• Lincoln County

  21,000 people

  54 mi SW

Distance to Cheyenne and the nearest big city

Cheyenne is 284.9 miles ESE of Sublette County's internal point in a straight line. The nearest place of 100,000 or more is Salt Lake City, UT (population 217,783), 172.3 miles away. The nearest place of 10,000 or more is Jackson, WY (population 10,680), 65.1 miles away.

Sublette County FIPS code

The FIPS code of Sublette County is 56035: state code 56 for Wyoming plus county code 035. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $78,217.