Campbell County Flag

Campbell County

State:
Wyoming
County Seat:
Gillette

Campbell County's 2026 population is estimated at 48,816, reflecting a 0.9% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Campbell County is the 3rd largest county in Wyoming. The 2010 population was 46,253 and has grown 5.54% since 2010.

48,816
Total Population
10
Population Density (mi²)
3
Population Rank (State)
435 0.9%
Annual Population Growth

Campbell County Population

Demographics

Economics and Income Statistics