4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gettysburg | 1 | 1,051 | 1,105 | -1.04% | 547 | 2 | City |
| Hoven | 2 | 355 | 380 | -1.39% | 1,160 | 0 | Town |
| Tolstoy | 3 | 36 | 38 | -2.7% | 197 | 0 | Town |
| Lebanon | 4 | 30 | 32 | -3.23% | 57 | 1 | Town |
Gettysburg is the largest city in Potter County, with a population of 1,051.
Lebanon is the smallest city in Potter County, with a population of 30.
There are 4 cities in Potter County, South Dakota.