Polk County | |
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Polk County Courthouse in Mena | |
![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | November 30, 1844 |
Named for | James K. Polk |
Seat | Mena |
Largest city | Mena |
Area | |
• Total | 862 sq mi (2,230 km2) |
• Land | 858 sq mi (2,220 km2) |
• Water | 4.8 sq mi (12 km2) 0.6% |
Population (2020) | |
• Total | 19,221 |
• Density | 22/sq mi (8.6/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 4th |
Polk County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 19,221.[1] The county seat is Mena.[2] 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.