Spencer County, Kentucky

Spencer County
Spencer County Courthouse in Taylorsville.
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 38°02′N 85°19′W / 38.03°N 85.32°W / 38.03; -85.32
Country United States
State Kentucky
Founded1824
Named afterSpier Spencer
SeatTaylorsville
Largest cityTaylorsville
Area
  Total
192 sq mi (500 km2)
  Land187 sq mi (480 km2)
  Water5.0 sq mi (13 km2)  2.6%
Population
 (2020)
  Total
19,490
  Estimate 
(2024)
20,823
  Density100/sq mi (39/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional districts2nd, 4th
Websitewww.spencercountyky.gov

Spencer County is a county located in the U.S. state of Kentucky. As of the 2020 census, the total population was 19,490. Its county seat is Taylorsville. The county was founded in 1824 and named for Spier Spencer.

Spencer County is part of the Louisville/Jefferson County, KY—IN Metropolitan Statistical Area.

Taylorsville Lake, located primarily within Spencer County, serves as a major economic resource for the area. Spencer was a dry county until 2009 when the county's residents voted to overturn the ban on alcohol sales. From 2000 to 2005, Spencer County ranked 19th out of all U.S. counties in percent growth, with a 33% increase.