Osceola County Flag

Osceola County

State:
Iowa
County Seat:
Sibley

Osceola County's estimated 2026 population is 5,952 with a growth rate of -0.47% in the past year according to the most recent United States census data. Osceola County is the 95th largest county in Iowa. The 2010 population was 6,458 and has seen a growth of -7.84% since that time.

5,952
Total Population
15
Population Density (mi²)
95
Population Rank (State)
-28 -0.47%
Annual Population Growth

Osceola County Population

Demographics

Economics and Income Statistics