4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Owatonna | 1 | 26,733 | 26,412 | 0.2% | 1,763 | 15 | City |
| Blooming Prairie | 2 | 1,923 | 1,968 | -0.36% | 1,410 | 1 | City |
| Medford | 3 | 1,383 | 1,320 | 0.8% | 1,158 | 1 | City |
| Ellendale | 4 | 652 | 669 | -0.46% | 782 | 1 | City |
Owatonna is the largest city in Steele County, with a population of 26,733.
Ellendale is the smallest city in Steele County, with a population of 652.
There are 4 cities in Steele County, Minnesota.