Lyon County, Minnesota

Lyon County
Location within the U.S. state of Minnesota
Minnesota's location within the U.S.
Coordinates: 44°25′N 95°50′W / 44.41°N 95.84°W / 44.41; -95.84
Country United States
State Minnesota
FoundedMarch 6, 1868
March 2, 1869
Named afterNathaniel Lyon
SeatMarshall
Largest cityMarshall
Area
  Total
722 sq mi (1,870 km2)
  Land715 sq mi (1,850 km2)
  Water7.1 sq mi (18 km2)  1.0%
Population
 (2020)
  Total
25,269
  Estimate 
(2023)
25,427
  Density35.3/sq mi (13.6/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district7th
Websitewww.lyonco.org

Lyon County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 25,269. Its county seat is Marshall.

Lyon County comprises the Marshall, MN Micropolitan Statistical Area.