Pennington County, Minnesota

Pennington County
Location within the U.S. state of Minnesota
Minnesota's location within the U.S.
Coordinates: 48°04′N 96°02′W / 48.07°N 96.04°W / 48.07; -96.04
Country United States
State Minnesota
FoundedNovember 23, 1910
Named afterEdmund Pennington
SeatThief River Falls
Largest cityThief River Falls
Area
  Total
618 sq mi (1,600 km2)
  Land617 sq mi (1,600 km2)
  Water1.7 sq mi (4 km2)  0.3%
Population
 (2020)
  Total
13,992
  Estimate 
(2023)
13,714
  Density22.7/sq mi (8.8/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district7th
Websiteco.pennington.mn.us

Pennington County is a county in the northwestern part of the U.S. state of Minnesota. As of the 2020 census, the population was 13,992. Its county seat is Thief River Falls.