Martin County, Minnesota

Martin County
Location within the U.S. state of Minnesota
Minnesota's location within the U.S.
Coordinates: 43°41′N 94°34′W / 43.68°N 94.56°W / 43.68; -94.56
Country United States
State Minnesota
FoundedMay 23, 1857
Named afterHenry Martin
SeatFairmont
Largest cityFairmont
Area
  Total
730 sq mi (1,900 km2)
  Land712 sq mi (1,840 km2)
  Water17 sq mi (40 km2)  2.4%
Population
 (2020)
  Total
20,025
  Estimate 
(2023)
19,657
  Density27/sq mi (11/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.co.martin.mn.us

Martin County is a county in Minnesota, United States. As of the 2020 census, the population was 20,025. Its county seat is Fairmont.