Johnson County Flag

Johnson County

State:
Wyoming
County Seat:
Buffalo

Johnson County's 2026 population is estimated at 8,825, reflecting a 0.12% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 17th largest county in Wyoming. The 2010 population was 8,591 and has grown 2.72% since 2010.

8,825
Total Population
2.1
Population Density (mi²)
17
Population Rank (State)
11 0.12%
Annual Population Growth

Johnson County Population

Demographics

Economics and Income Statistics