16 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alexandria | 1 | 659 | 653 | 0.15% | 1,056 | 1 | City |
| Emery | 2 | 468 | 483 | -0.43% | 1,024 | 0 | City |
| Hanson | 3 | 328 | 318 | 0.92% | 9 | 36 | Township |
| Rosedale | 4 | 306 | 303 | 0% | 8 | 36 | Township |
| Beulah | 5 | 271 | 266 | 0.74% | 8 | 36 | Township |
| Pleasant | 6 | 262 | 256 | 0.77% | 7 | 36 | Township |
| Wayne | 7 | 256 | 245 | 1.59% | 7 | 35 | Township |
| Jasper | 8 | 173 | 173 | 0% | 5 | 35 | Township |
| Emery | 9 | 146 | 136 | 1.39% | 4 | 36 | Township |
| Spring Lake | 10 | 142 | 135 | 1.43% | 4 | 37 | Township |
| Worthen | 11 | 130 | 121 | 2.36% | 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 659.
Farmer is the smallest city in Hanson County, with a population of 15.
There are 16 cities in Hanson County, South Dakota.