Lyon County | |
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Student Center at Southwest Minnesota State University. | |
![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | March 6, 1868 March 2, 1869 |
Named for | Nathaniel Lyon |
Seat | Marshall |
Largest city | Marshall |
Area | |
• Total | 722 sq mi (1,870 km2) |
• Land | 715 sq mi (1,850 km2) |
• Water | 7.1 sq mi (18 km2) 1.0% |
Population (2020) | |
• Total | 25,269 |
• Estimate (2023) | 25,427 ![]() |
• Density | 35.3/sq mi (13.6/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 7th |
Website | www |
Lyon County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 25,269.[1] Its county seat is Marshall.[2]
Lyon County comprises the Marshall, MN Micropolitan Statistical Area.