Natrona County Flag

Natrona County

State:
Wyoming
County Seat:
Casper

Natrona County's 2026 population is estimated at 81,294, reflecting a 0.55% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Natrona County is the 2nd largest county in Wyoming. The 2010 population was 75,477 and has grown 7.71% since 2010.

81,294
Total Population
15
Population Density (mi²)
2
Population Rank (State)
442 0.55%
Annual Population Growth

Natrona County Population

Demographics

Economics and Income Statistics