Pennington County, Minnesota

Pennington County, Minnesota
Location within the U.S. state of Minnesota
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 (4.4 km2)  0.3%
Population
 (2020)
 • Total
13,992
 • Estimate 
(2024)
13,652
 • 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.