Sauk Rapids is a city in Benton County, Minnesota, United States. The population was 13,862 at the 2020 census and is 13,896 according to 2021 census estimates, about a third of Benton County's population. It is on a set of rapids on the Mississippi River near its confluence with the Sauk River.

Benton County is a county in the East Central part of the U.S. state of Minnesota. As of the 2020 census, the population was 41,379. Its county seat is Foley.