Fremont County Flag

Fremont County

State:
Iowa
County Seat:
Sidney

Fremont County's estimated 2026 population is 6,551 with a growth rate of 0.44% 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 -11.88% since that time.

6,551
Total Population
13
Population Density (mi²)
94
Population Rank (State)
29 0.44%
Annual Population Growth

Fremont County Population

Demographics

Economics and Income Statistics