Mount Washington
- County:
- Bullitt County
- County Seat:
- No
- Area (mi²):
- 9.572
- State:
- Kentucky
Mount Washington is a city located in Bullitt County, Kentucky. Mount Washington has a 2026 population of 18,863. Mount Washington is currently growing at a rate of 0.9% annually and its population has increased by 4.08% since the most recent census, which recorded a population of 18,124 in 2020.