21 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Howard | 1 | 835 | 853 | -0.36% | 865 | 1 | City |
| Clearwater | 2 | 231 | 228 | 0.43% | 6 | 36 | Township |
| Howard | 3 | 200 | 195 | 0.5% | 4 | 45 | Township |
| Howard | 4 | 142 | 140 | 0.71% | 4 | 32 | Township |
| Carthage | 5 | 127 | 130 | 0% | 87 | 1 | City |
| Adams | 6 | 118 | 117 | 0% | 3 | 36 | Township |
| Henden | 7 | 103 | 102 | 0% | 3 | 36 | Township |
| Canova | 8 | 94 | 93 | 0% | 299 | 0 | Town |
| Canova | 9 | 93 | 89 | 1.09% | 3 | 36 | Township |
| Rock Creek | 10 | 76 | 72 | 1.33% | 2 | 36 | Township |
| Clinton | 11 | 67 | 65 | 0% | 2 | 36 | Township |
| Grafton | 12 | 59 | 64 | -3.28% | 2 | 35 | Township |
| Roswell | 13 | 59 | 58 | 0% | 2 | 36 | Township |
| Belleview | 14 | 58 | 57 | 0% | 2 | 35 | Township |
| Green Valley | 15 | 44 | 42 | 2.33% | 1 | 36 | Township |
| Beaver | 16 | 32 | 32 | 0% | 1 | 35 | Township |
| Miner | 17 | 25 | 25 | 0% | 1 | 36 | Township |
| Vilas | 18 | 24 | 24 | 0% | 8 | 3 | Town |
| Carthage | 19 | 21 | 21 | 0% | 1 | 33 | Township |
| Howard | 20 | 18 | 17 | 0% | 1 | 35 | Township |
| Redstone | 21 | 9 | 9 | 0% | 0.00 | 35 | Township |
Howard is the largest city in Miner County, with a population of 835.
Redstone is the smallest city in Miner County, with a population of 9.
There are 21 cities in Miner County, South Dakota.