Mesa County Flag

Mesa County

State:
Colorado
County Seat:
Grand Junction

Mesa County's 2026 population is estimated at 164,400, reflecting a 0.96% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Mesa County is the 11th largest county in Colorado. The 2010 population was 146,266 and has grown 12.4% since 2010.

164,400
Total Population
49
Population Density (mi²)
11
Population Rank (State)
1.6K 0.96%
Annual Population Growth

Mesa County Population

Demographics

Economics and Income Statistics