Long Prairie is a city located in Todd County, Minnesota. As of the 2000 census, the city had a total population of 3,040. It is the county seat of Todd County6.
According to the United States Census Bureau, the city has a total area of 6.3 km2 (2.4 mi2). 6.1 km2 (2.4 mi2) of it is land and 0.2 km2 (0.1 mi2) of it is water. The total area is 2.88% water.