Minneota is a city in Lyon County, Minnesota, United States. The population was 1,366 at the 2020 census. Minneota was platted in 18…Minneota is a city in Lyon County, Minnesota, United States. The population was 1,366 at the 2020 census. Minneota was platted in 1881 when the railroad was extended to its location. The name Minneota is derived from the Dakota language meaning "much water".