
Hardin
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 0.701
- State:
- Kentucky
Hardin is a city located in Marshall County, Kentucky. Hardin has a 2025 population of 585. Hardin is currently growing at a rate of 0.17% annually and its population has increased by 0.52% since the most recent census, which recorded a population of 582 in 2020.
The average household income in Hardin is $37,871 with a poverty rate of 44.22%. The median age in Hardin is 41.5 years: 39.5 years for males, and 42.7 years for females.