Douglas County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 36,009. Its county seat is Alexandria. Douglas County was established in 1858. It is named for Stephen Douglas, of Illinois. The county was formed in 1858 and organized in 1866.Douglas County comprises the Alexandria, MN Micropolitan Statistical Area.Douglas County is the home of Minnesota's only wine-grape appellation, the 10,880acre Alexandria Lakes AVA.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (11%) is water. It contains more than 250 lakes.The county includes two of Minnesota's biomes: prairie grassland in the west and southeast, savannas (also prairie ecosystems) in the middle, and temperate deciduous forest in the south-central, north, and east. Douglas is one of 17 Minnesota counties where savanna soils dominate.Adjacent countiesOtter Tail County (north)Todd County (east)Stearns County (southeast)Pope County (south)Stevens County (southwest)Grant County (west)