Elk River is a city in Sherburne County, Minnesota, about 34 miles northwest of Minneapolis. It is situated at the confluence of the Mississippi and Elk Rivers. The population was 16,447 at the 2000 census. It is the county seat of Sherburne County. Elk River's population exceeded 20,000 as of 2005. Elk River apartments for rent comparison page shows most up to date rent information on Elk River apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.