Lyon County, Minnesota

Lyon County, Minnesota
Location within the U.S. state of Minnesota
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 
(2024)
25,577
 • 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 Micropolitan Statistical Area.