16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alexandria | 1 | 658 | 653 | 0.15% | 1,054 | 1 | City |
| Emery | 2 | 470 | 483 | -0.63% | 1,028 | 0 | City |
| Hanson | 3 | 325 | 318 | 0.93% | 9 | 36 | Township |
| Rosedale | 4 | 306 | 303 | 0% | 8 | 36 | Township |
| Beulah | 5 | 269 | 266 | 0.75% | 7 | 36 | Township |
| Pleasant | 6 | 260 | 256 | 0.78% | 7 | 36 | Township |
| Wayne | 7 | 252 | 245 | 1.61% | 7 | 35 | Township |
| Jasper | 8 | 173 | 173 | 0% | 5 | 35 | Township |
| Emery | 9 | 144 | 136 | 1.41% | 4 | 36 | Township |
| Spring Lake | 10 | 140 | 135 | 1.45% | 4 | 37 | Township |
| Worthen | 11 | 127 | 121 | 2.42% | 4 | 36 | Township |
| Plano | 12 | 94 | 93 | 0% | 3 | 37 | Township |
| Edgerton | 13 | 88 | 87 | 0% | 2 | 36 | Township |
| Fulton | 14 | 84 | 84 | 0% | 98 | 1 | Town |
| Taylor | 15 | 80 | 79 | 0% | 2 | 36 | Township |
| Farmer | 16 | 15 | 15 | 0% | 181 | 0 | Town |
Alexandria is the largest city in Hanson County, with a population of 658.
Farmer is the smallest city in Hanson County, with a population of 15.
There are 16 cities in Hanson County, South Dakota.