Owatonna
- County:
- Steele County
- County Seat:
- Yes
- Area (mi²):
- 15.166
- State:
- Minnesota
Owatonna is a city located in Steele County, Minnesota. Owatonna has a 2026 population of 26,626. It is also the county seat of Steele County. Owatonna is currently growing at a rate of 0.21% annually and its population has increased by 0.81% since the most recent census, which recorded a population of 26,412 in 2020.