How many people live in Sublette County, WY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 9,000 people living in Sublette County, WY. That makes Sublette County the 16th-most populous county in Wyoming. It is home to 1.5% of people living in the state.
8.97K
population of Sublette County, WY (2024)
1.5%
County share of the Wyoming population (2024)
About 9,000 people lived in Sublette County, WY in 2024.
Population estimates, 2000–2024
What are Sublette County, WY’s age demographics?
About 2,200 Sublette County, WY residents are aged 65 and older in 2024. That represents 24.8% of its population. For comparison, the age group represents 19.8% of Wyoming’s population and 18% in the US overall.
Another 1,900 Sublette County residents, or 20.9% of the population, were children under 18. For comparison, the age group represents 21.9% of Wyoming’s population and 21.6% in the US overall.
A higher share of Sublette County, WY's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Sublette County, WY’s racial and ethnic demographics?
Non-Hispanic white residents make up 87.9% of the Sublette County, WY population, higher than the national share of 57.5%. Sublette County, WY also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (0.87%) than the US overall (0.72%).
In contrast, Sublette County’s Hispanic population accounts for 7.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.85% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Sublette County, WY has a higher share of a non-Hispanic white population than Wyoming as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Sublette County, WY is Pinedale with about 2,000 residents in 2024.
Cities and towns in Sublette County, WY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Pinedale | 2,005 |
| 2. | Marbleton | 845 |
| 3. | Big Piney | 390 |
| 4. | Balance of Sublette County | 5,725 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.