Grant County, Kentucky

Grant County
The Grant County historic courthouse in Williamstown
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 38°38′N 84°37′W / 38.64°N 84.61°W / 38.64; -84.61
Country United States
State Kentucky
Founded1820
SeatWilliamstown
Largest cityWilliamstown
Area
  Total
261 sq mi (680 km2)
  Land258 sq mi (670 km2)
  Water2.8 sq mi (7 km2)  1.1%
Population
 (2020)
  Total
24,941
  Estimate 
(2024)
25,722
  Density96/sq mi (37/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district4th
Websitegrantcounty.ky.gov

Grant County is a county located in the northern part of the U.S. commonwealth of Kentucky. As of the 2020 census, the population was 24,941. Its county seat is Williamstown. The county was formed in 1820 and named for Colonel John Grant, who led a party of settlers in 1779 to establish Grant's Station, in today's Bourbon County, Kentucky. Grant County is included in the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area. Grant County residents voted to allow full alcohol sales in the county by a margin of 56% to 44% in a special election on December 22, 2015. In the 19th century, Grant County had multiple saloons.

The Grant County News, established in 1906 and published in Williamstown, is preserved on microfilm by the University of Kentucky Libraries. The microfilm holdings are listed in a master negative database on the UK Libraries Preservation and Digital Programs website.