Sublette County, Wyoming Demographics 2026

Population Overview

Sublette County is located in Wyoming with a total population of 8,838. It is the 16th most populous county out of 23 in Wyoming. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Sublette County is 43.5 years. This is 11% higher than the state median of 39.1 years. 10.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Sublette County is $83,597. This is 10% higher than the state median of $76,176. It is also 4% higher than the national median of $80,734. The poverty rate stands at 6.9%. This is 35% lower than the state poverty rate of 10.5%. The unemployment rate is 2.3%. This is 38% lower than the state rate of 3.7%. The median home value is $376,200. Housing costs are 21% higher than the state median of $309,700. The home-value-to-income ratio is 4.5x. 83.6% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 71.8%.

Race & Ethnicity

Sublette County has a predominantly White (non-Hispanic) population, comprising 86.5% of all residents. Hispanic or Latino residents account for 7.3%. The Black or African American population (0.1%) is well below the state average of 0.8%.

Education

32.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.8%.

Data Sources & Methodology

All figures for Sublette County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wyoming and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.