Brookings is a city in Brookings County, South Dakota, United States. Brookings is South Dakota's fourth largest city, with a population of 22,056 at the 2010 census. It is the county seat of Brookings County, and home to South Dakota State University, the state's largest institution of higher education.

What is Brookings South Dakota known for?

Brookings, an early pioneer and promoter of Dakota Territory settlement. It evolved as the centre of a diversified agricultural area noted especially for seeds. Agriculture remains important to the economy.

Who founded Brookings SD?

July 3, 1871: Brookings County was organized in the cabin of Martin Trygstad, son of original members of the village of second Medary settlement. The original boundaries extended two miles south of Flandreau. 1871: The first Post Office in Brookings County opened with Martin Trygstad as postmaster.