Brookings County, South Dakota

Brookings County is a county located in the U.S. state of South Dakota. As of the 2010 census, 31,965 people lived there, making it the fifth-most populous county in South Dakota. Its county seat is Brookings. The county was created in 1862 and organized in 1871.
Brookings County comprises the Brookings, SD Micropolitan Statistical Area.
Communities.
Townships.
The county is divided into twenty-three townships: