9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Brandon | 1 | 10,732 | 11,046 | -0.48% | 1,758 | 6 | City |
| Dell Rapids | 2 | 3,745 | 3,984 | -1.06% | 1,661 | 2 | City |
| Hartford | 3 | 3,720 | 3,359 | 1.64% | 994 | 4 | City |
| Baltic | 4 | 1,370 | 1,253 | 1.48% | 1,856 | 1 | City |
| Crooks | 5 | 1,369 | 1,369 | 0% | 1,060 | 1 | City |
| Garretson | 6 | 1,140 | 1,226 | -1.21% | 783 | 1 | City |
| Valley Springs | 7 | 868 | 880 | -0.23% | 881 | 1 | City |
| Colton | 8 | 663 | 737 | -1.78% | 946 | 1 | City |
| Humboldt | 9 | 568 | 580 | -0.35% | 918 | 1 | Town |
Brandon is the largest city in Minnehaha County, with a population of 10,732.
Humboldt is the smallest city in Minnehaha County, with a population of 568.
There are 9 cities in Minnehaha County, South Dakota.