Fremont County Flag

Fremont County

State:
Idaho
County Seat:
St. Anthony

Fremont County's estimated 2026 population is 14,070 with a growth rate of -0.97% in the past year according to the most recent United States census data. Fremont County is the 25th largest county in Idaho. The 2010 population was 13,232 and has seen a growth of 6.33% since that time.

14,070
Total Population
8
Population Density (mi²)
25
Population Rank (State)
-138 -0.97%
Annual Population Growth

Fremont County Population

Demographics

Economics and Income Statistics