Calhoun County Flag

Calhoun County

State:
Iowa
County Seat:
Rockwell City

Calhoun County's estimated 2026 population is 9,470 with a growth rate of -0.96% in the past year according to the most recent United States census data. Calhoun County is the 76th largest county in Iowa. The 2010 population was 10,159 and has seen a growth of -6.78% since that time.

9,470
Total Population
17
Population Density (mi²)
76
Population Rank (State)
-92 -0.96%
Annual Population Growth

Calhoun County Population

Demographics

Economics and Income Statistics