16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wessington Springs | 1 | 775 | 764 | 0.26% | 430 | 2 | City |
| Alpena | 2 | 219 | 207 | 0.92% | 134 | 2 | Town |
| Alpena | 3 | 94 | 87 | 2.17% | 3 | 33 | Township |
| Blaine | 4 | 75 | 69 | 2.74% | 2 | 36 | Township |
| Wessington Springs | 5 | 74 | 66 | 5.71% | 2 | 35 | Township |
| Franklin | 6 | 71 | 67 | 2.9% | 2 | 35 | Township |
| Pleasant | 7 | 59 | 53 | 5.36% | 2 | 35 | Township |
| Chery | 8 | 53 | 49 | 1.92% | 2 | 35 | Township |
| Crow Lake | 9 | 53 | 50 | 3.92% | 2 | 35 | Township |
| Lane | 10 | 47 | 47 | 0% | 101 | 0 | Town |
| Viola | 11 | 32 | 28 | 6.67% | 1 | 36 | Township |
| Anina | 12 | 21 | 21 | 0% | 1 | 35 | Township |
| Marlar | 13 | 20 | 20 | 0% | 1 | 35 | Township |
| Harmony | 14 | 16 | 16 | 0% | 0.00 | 35 | Township |
| Crow | 15 | 12 | 12 | 0% | 0.00 | 35 | Township |
| Logan | 16 | 7 | 6 | 0% | 0.00 | 35 | Township |
Wessington Springs is the largest city in Jerauld County, with a population of 775.
Logan is the smallest city in Jerauld County, with a population of 7.
There are 16 cities in Jerauld County, South Dakota.