Elk River
- County:
- Sherburne County
- County Seat:
- Yes
- Area (mi²):
- 42.325
- State:
- Minnesota
Elk River is a city located in Sherburne County, Minnesota. Elk River has a 2026 population of 27,606. It is also the county seat of Sherburne County. Elk River is currently growing at a rate of 0.89% annually and its population has increased by 6.42% since the most recent census, which recorded a population of 25,940 in 2020.