COUNTY · WY

Sublette County, Wyoming

Sublette County is a county in Wyoming with FIPS code 56035 and an estimated population of 8,969 (Census 2023), 16th largest of 23 in the state.

County facts

Name
Sublette County
State
Wyoming
Type
county
FIPS code
56035
State FIPS
56
Population (2023)
8,969
Change since 2020
+2.7%
State rank
16 of 23

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Wyoming

Questions

What is the FIPS code for Sublette County?

Sublette County, Wyoming has the five-digit FIPS code 56035: 56 for the state and 035 for the county.

What state is Sublette County in?

Sublette County is in Wyoming.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.