Mount Washington, Kentucky
| Mount Washington, Kentucky | |
|---|---|
| Location of Mount Washington in Bullitt County, Kentucky. | |
| Coordinates: 38°02′35″N 85°33′18″W / 38.04306°N 85.55500°W | |
| Country | United States | 
| State | Kentucky | 
| County | Bullitt | 
| Established | 1822 | 
| Incorporated | 1833 | 
| Reincorporated | 1954 | 
| Government | |
| • Mayor | Stuart Owen | 
| • City Administrator | Elizabeth D. Hardin | 
| Area | |
|  • Total | 9.46 sq mi (24.50 km2) | 
| • Land | 9.42 sq mi (24.40 km2) | 
| • Water | 0.04 sq mi (0.10 km2) | 
| Elevation | 666 ft (203 m) | 
| Population  (2020) | |
|  • Total | 18,090 | 
|  • Estimate  (2022) | 18,424 | 
| • Density | 1,919.97/sq mi (741.33/km2) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP code | 40047 | 
| Area code | 502 | 
| FIPS code | 21-54228 | 
| GNIS feature ID | 2404327 | 
| Website | mtwashingtonky | 
Mount Washington is a home rule-class city in northeast Bullitt County, Kentucky, in the United States. The population was 18,090 at the 2020 census. The city is one of several surrounding Louisville that have experienced a sharp rise in population in the past three decades, becoming a commuter town.