Polk County, Arkansas

Polk County
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
Coordinates: 34°30′07″N 94°14′27″W / 34.501944444444°N 94.240833333333°W / 34.501944444444; -94.240833333333
Country United States
State Arkansas
FoundedNovember 30, 1844
Named afterJames K. Polk
SeatMena
Largest cityMena
Area
  Total
862 sq mi (2,230 km2)
  Land858 sq mi (2,220 km2)
  Water4.8 sq mi (12 km2)  0.6%
Population
 (2020)
  Total
19,221
  Estimate 
(2023)
19,436
  Density22/sq mi (8.6/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th

Polk County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 19,221. The county seat is Mena. Polk County is Arkansas's 48th county, formed on November 30, 1844; it was named for James K. Polk, 11th President of the United States.