
Hardin County
- State:
- Kentucky
- County Seat:
- Elizabethtown
Hardin County's estimated 2025 population is 113,333 with a growth rate of 0.47% in the past year according to the most recent United States census data. Hardin County is the 6th largest county in Kentucky. The 2010 population was 106,970 and has seen a growth of 5.95% since that time.