
Spring Mill
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 0.056
- State:
- Kentucky
Spring Mill is a city located in Jefferson County, Kentucky. Spring Mill has a 2025 population of 286. Spring Mill is currently declining at a rate of -0.35% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 291 in 2020.
The average household income in Spring Mill is $127,693 with a poverty rate of 3.03%. The median age in Spring Mill is 36.1 years: 34.8 years for males, and 36.8 years for females.