Calhoun County Flag

Calhoun County

State:
Iowa
County Seat:
Rockwell City

Calhoun County's 2026 population is estimated at 9,553, reflecting a -0.82% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Calhoun County is the 76th largest county in Iowa. The 2010 population was 10,159 and has grown -5.97% since 2010.

9,553
Total Population
17
Population Density (mi²)
76
Population Rank (State)
-79 -0.82%
Annual Population Growth

Calhoun County Population

Demographics

Economics and Income Statistics