Twin Falls County Flag

Twin Falls County

State:
Idaho
County Seat:
Twin Falls

Twin Falls County's estimated 2025 population is 97,826 with a growth rate of 1.38% in the past year according to the most recent United States census data. Twin Falls County is the 5th largest county in Idaho. The 2010 population was 77,547 and has seen a growth of 26.15% since that time.

97,826
Total Population
51
Population Density (mi²)
5
Population Rank (State)
1.3K 1.38%
Annual Population Growth

Twin Falls County Population

Demographics

Economics and Income Statistics