Mason County, Kentucky

Mason County
The Mason County Justice Building in Maysville in 2023
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 38°36′N 83°50′W / 38.6°N 83.83°W / 38.6; -83.83
Country United States
State Kentucky
Founded1788
Named afterGeorge Mason
SeatMaysville
Largest cityMaysville
Area
  Total
246 sq mi (640 km2)
  Land240 sq mi (600 km2)
  Water6.3 sq mi (16 km2)  2.6%
Population
 (2020)
  Total
17,120
  Estimate 
(2024)
16,956
  Density70/sq mi (27/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district4th
Websitemasoncountykentucky.us

Mason County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 17,120. Its county seat is Maysville. The county was created from Bourbon County, Virginia in 1788 and named for George Mason, a Virginia delegate to the U.S. Constitutional Convention known as the "Father of the Bill of Rights". Mason County comprises the Maysville, KY Micropolitan Statistical Area, which is included in the Cincinnati-Wilmington-Maysville, OH-KY-IN Combined Statistical Area.