
Coldiron
- County:
- Harlan County
- County Seat:
- No
- Area (mi²):
- 0.218
- State:
- Kentucky
Coldiron is a CDP located in Harlan County, Kentucky. Coldiron has a 2025 population of 487. Coldiron is currently growing at a rate of 3.84% annually and its population has increased by 17.35% since the most recent census, which recorded a population of 415 in 2020.
The average household income in Coldiron is $57,381 with a poverty rate of 8.91%. The median age in Coldiron is 31.8 years: 34.6 years for males, and 31.1 years for females.