Adair County, Kentucky

county in Kentucky, United States

Adair County is a county in the U.S. state of Kentucky. As of the 2010 census, the population was 18,656.[2] The county seat is Columbia.[3]

Adair County
Adair County Courthouse in Columbia
Map of Kentucky highlighting Adair County
Location within the U.S. state of Kentucky
Map of the United States highlighting Kentucky
Kentucky's location within the U.S.
Coordinates: 37°07′N 85°17′W / 37.11°N 85.28°W / 37.11; -85.28
Country United States
State Kentucky
Named forJohn Adair
Largest cityColumbia
 • Total412 sq mi (1,070 km2)
 • Land405 sq mi (1,050 km2)
 • Water7.1 sq mi (18 km2)  1.7%%
 • Estimate 
 • Density46/sq mi (18/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st


  1. "Population and Housing Unit Estimates". U.S. Census Bureau. August 15, 2017. Retrieved August 15, 2017.
  2. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 6, 2011. Retrieved August 11, 2014.
  3. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 6, 2011.