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 / 38.04306; -85.55500
CountryUnited States
StateKentucky
CountyBullitt
Established1822
Incorporated1833
Reincorporated1954
Government
 • MayorStuart Owen
 • City AdministratorElizabeth D. Hardin
Area
 • Total
9.46 sq mi (24.50 km2)
 • Land9.42 sq mi (24.40 km2)
 • Water0.039 sq mi (0.10 km2)
Elevation
666 ft (203 m)
Population
 (2020)
 • Total
18,090
 • Estimate 
(2022)
18,424
 • Density1,920.0/sq mi (741.33/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
40047
Area code502
FIPS code21-54228
GNIS feature ID2404327
Websitemtwashingtonky.org

Mount Washington is a 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.