Bullitt County, Kentucky

Bullitt County
Bullitt County Courthouse in Shepherdsville
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 37°58′N 85°42′W / 37.97°N 85.7°W / 37.97; -85.7
Country United States
State Kentucky
Founded1792
Named afterAlexander Scott Bullitt
SeatShepherdsville
Largest cityMount Washington
Area
  Total
300 sq mi (800 km2)
  Land297 sq mi (770 km2)
  Water3.2 sq mi (8 km2)  1.1%
Population
 (2020)
  Total
82,217
  Estimate 
(2024)
85,802
  Density270/sq mi (110/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitebullittky.com

Bullitt County is a county located in the north central portion of the U.S. state of Kentucky. As of the 2020 census, the population was 82,217. Its county seat is Shepherdsville. The county was founded in 1796. Located just south of the city of Louisville, Bullitt County is included in the Louisville/Jefferson County, KY-IN Metropolitan Statistical Area, commonly known as Kentuckiana. The western fifth of the county (62 sq. miles/40,000 acres (160 km2)) is part of the United States Army post of Fort Knox and is reserved for military training.