15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Brandon | 1 | 10,910 | 11,029 | -0.22% | 1,907 | 5.72 | City |
| Dell Rapids | 2 | 3,783 | 3,995 | -1.1% | 1,678 | 2.25 | City |
| Hartford | 3 | 3,779 | 3,366 | 2.25% | 1,239 | 3.05 | City |
| Baltic | 4 | 1,374 | 1,251 | 1.85% | 1,862 | 0.74 | City |
| Crooks | 5 | 1,372 | 1,369 | 0.07% | 1,063 | 1.29 | City |
| Garretson | 6 | 1,143 | 1,222 | -1.38% | 785 | 1.46 | City |
| Valley Springs | 7 | 876 | 880 | -0.11% | 889 | 0.98 | City |
| Colton | 8 | 676 | 736 | -1.74% | 964 | 0.70 | City |
| Meadow View Addition | 9 | 658 | 632 | 1.23% | 609 | 1.08 | CDP |
| Humboldt | 10 | 579 | 579 | 0% | 935 | 0.62 | Town |
| Anderson | 11 | 430 | 506 | 0.94% | 561 | 0.77 | CDP |
| Pine Lakes Addition | 12 | 278 | 329 | -0.71% | 1,580 | 0.18 | CDP |
| Renner Corner | 13 | 246 | 379 | -1.6% | 191 | 1.29 | CDP |
| Rowena | 14 | 131 | 62 | 7.38% | 430 | 0.30 | CDP |
| Lyons | 15 | 105 | 47 | 7.14% | 209 | 0.50 | CDP |
Brandon is the largest city in Minnehaha County, with a population of 10,910.
Lyons is the smallest city in Minnehaha County.
There are 15 cities in Minnehaha County, South Dakota.