Big Stone City, SD
Big Stone City is a city in Grant County, South Dakota, United States. It lies between the southern tip of Big Stone Lake and the northern bank of the Whetstone River, and is adjacent to the city of Ortonville, Minnesota. The population was 467 at the 2010 census.
Big Stone City is located at 45°17′41″N 96°27′46″W / 45.29472°N 96.46278°W / 45.29472; -96.46278 (45.294824, -96.462898).
According to the United States Census Bureau, the city has a total area of 1.2 square miles (3.2 km²), all of it land.