
Mount Vernon
- County:
- Rockcastle County
- County Seat:
- Yes
- Area (mi²):
- 2.814
- State:
- Kentucky
Mount Vernon is a city located in Rockcastle County, Kentucky. Mount Vernon has a 2025 population of 2,458. It is also the county seat of Rockcastle County. Mount Vernon is currently growing at a rate of 0.04% annually and its population has increased by 0.2% since the most recent census, which recorded a population of 2,453 in 2020.
The average household income in Mount Vernon is $54,068 with a poverty rate of 27.22%. The median age in Mount Vernon is 47.9 years: 41.2 years for males, and 49.3 years for females.