23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Howard | 1 | 818 | 855 | -0.85% | 848 | 0.96 | City |
| Clearwater township | 2 | 220 | 226 | -0.9% | 6 | 36.01 | Township |
| Howard township | 3 | 202 | 194 | 1.51% | 5 | 44.79 | Township |
| Howard township | 4 | 142 | 146 | -0.7% | 4 | 32.09 | Township |
| Carthage | 5 | 125 | 130 | -0.79% | 86 | 1.46 | City |
| Adams township | 6 | 115 | 117 | -0.86% | 3 | 35.96 | Township |
| Henden township | 7 | 96 | 98 | -1.03% | 3 | 35.96 | Township |
| Canova | 8 | 91 | 91 | 0% | 290 | 0.31 | Town |
| Canova township | 9 | 90 | 89 | 0% | 3 | 35.74 | Township |
| Rock Creek township | 10 | 74 | 73 | 0% | 2 | 35.81 | Township |
| Grafton township | 11 | 70 | 65 | 2.94% | 2 | 34.92 | Township |
| Belleview township | 12 | 66 | 61 | 3.13% | 2 | 35.19 | Township |
| Clinton township | 13 | 63 | 65 | -1.56% | 2 | 35.91 | Township |
| Roswell township | 14 | 57 | 52 | 3.64% | 2 | 35.64 | Township |
| Green Valley township | 15 | 40 | 41 | 0% | 1 | 35.89 | Township |
| Beaver township | 16 | 29 | 32 | -3.33% | 1 | 35.38 | Township |
| Vilas | 17 | 25 | 25 | 0% | 8 | 2.98 | Town |
| Fedora | 18 | 24 | 16 | 9.09% | 7 | 3.36 | CDP |
| Carthage township | 19 | 24 | 21 | 4.35% | 1 | 33.10 | Township |
| Miner township | 20 | 24 | 24 | 0% | 1 | 35.99 | Township |
| Howard township | 21 | 20 | 19 | 0% | 1 | 34.94 | Township |
| Cloverleaf Colony | 22 | 18 | 7 | 12.5% | 194 | 0.09 | CDP |
| Redstone township | 23 | 10 | 10 | 0% | 0.00 | 34.82 | Township |
Howard is the largest city in Miner County, with a population of 818.
Redstone township is the smallest city in Miner County.
There are 23 cities in Miner County, South Dakota.