
Fairfield
- County:
- Nelson County
- County Seat:
- No
- Area (mi²):
- 0.286
- State:
- Kentucky
Fairfield is a city located in Nelson County, Kentucky. Fairfield has a 2025 population of 137. Fairfield is currently growing at a rate of 3.01% annually and its population has increased by 15.13% since the most recent census, which recorded a population of 119 in 2020.
The average household income in Fairfield is $79,149 with a poverty rate of 1.07%. The median age in Fairfield is 59.8 years: 63.5 years for males, and 59.6 years for females.