Simpson County Flag

Simpson County

State:
Kentucky
County Seat:
Franklin

Simpson County's estimated 2025 population is 20,689 with a growth rate of 1.21% in the past year according to the most recent United States census data. Simpson County is the 56th largest county in Kentucky. The 2010 population was 17,337 and has seen a growth of 19.33% since that time.

20,689
Total Population
88
Population Density (mi²)
56
Population Rank (State)
247 1.21%
Annual Population Growth

Simpson County Population

Demographics

Economics and Income Statistics