4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Owatonna | 1 | 26,611 | 26,418 | 0.15% | 1,755 | 15.17 | City |
| Blooming Prairie | 2 | 1,942 | 1,966 | -0.26% | 1,424 | 1.36 | City |
| Medford | 3 | 1,402 | 1,316 | 1.23% | 1,174 | 1.19 | City |
| Ellendale | 4 | 662 | 672 | -0.3% | 794 | 0.83 | City |
Owatonna is the largest city in Steele County, with a population of 26,611.
Ellendale is the smallest city in Steele County.
There are 4 cities in Steele County, Minnesota.