3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wessington Springs | 1 | 759 | 764 | -0.13% | 421 | 1.80 | City |
| Alpena | 2 | 214 | 208 | 0.47% | 131 | 1.63 | Town |
| Lane | 3 | 50 | 47 | 2.04% | 108 | 0.47 | Town |
Wessington Springs is the largest city in Jerauld County, with a population of 759.
Lane is the smallest city in Jerauld County.
There are 3 cities in Jerauld County, South Dakota.