Lyon County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 25,857. Its county seat is Marshall.Lyon County comprises the Marshall, MN Micropolitan Statistical Area.
Lyon County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 25,857. Its county seat is Marshall.Lyon County comprises the Marshall, MN Micropolitan Statistical Area.