Fremont County Flag

Fremont County

State:
Iowa
County Seat:
Sidney

Fremont County's estimated 2025 population is 6,424 with a growth rate of -0.26% in the past year according to the most recent United States census data. Fremont County is the 94th largest county in Iowa. The 2010 population was 7,434 and has seen a growth of -13.59% since that time.

6,424
Total Population
13
Population Density (mi²)
94
Population Rank (State)
-17 -0.26%
Annual Population Growth

Fremont County Population

Demographics

Economics and Income Statistics