Fremont County Flag

Fremont County

State:
Wyoming
County Seat:
Lander

Fremont County's 2026 population is estimated at 39,563, reflecting a -0.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Fremont County is the 6th largest county in Wyoming. The 2010 population was 40,199 and has grown -1.58% since 2010.

39,563
Total Population
4.3
Population Density (mi²)
6
Population Rank (State)
-79 -0.2%
Annual Population Growth

Fremont County Population

Demographics

Economics and Income Statistics