Columbia County, Arkansas

Columbia County
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
Coordinates: 33°14′28″N 93°13′06″W / 33.241111111111°N 93.218333333333°W / 33.241111111111; -93.218333333333
Country United States
State Arkansas
FoundedDecember 17, 1852
Named afterChristopher Columbus
SeatMagnolia
Largest cityMagnolia
Area
  Total
767 sq mi (1,990 km2)
  Land766 sq mi (1,980 km2)
  Water0.7 sq mi (2 km2)  0.1%
Population
 (2020)
  Total
22,801
  Estimate 
(2023)
22,150
  Density30/sq mi (11/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.countyofcolumbia.org

Columbia County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 22,801. The county seat is Magnolia. The county was formed on December 17, 1852, and was named for Christopher Columbus. The Magnolia, AR Micropolitan Statistical Area includes all of Columbia County.

Columbia County is home to Southern Arkansas University, which dominates the economic and cultural landscape of the county.