Chickasaw County Flag

Chickasaw County

State:
Iowa
County Seat:
New Hampton

Chickasaw County's estimated 2026 population is 11,769 with a growth rate of 0.21% in the past year according to the most recent United States census data. Chickasaw County is the 65th largest county in Iowa. The 2010 population was 12,411 and has seen a growth of -5.17% since that time.

11,769
Total Population
23
Population Density (mi²)
65
Population Rank (State)
25 0.21%
Annual Population Growth

Chickasaw County Population

Demographics

Economics and Income Statistics