9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Huron | 1 | 14,641 | 14,262 | 0.43% | 1,506 | 10 | City |
| Wolsey | 2 | 462 | 459 | 0.22% | 204 | 2 | Town |
| Wessington | 3 | 199 | 198 | 0% | 526 | 0 | City |
| Cavour | 4 | 130 | 127 | 0.78% | 317 | 0 | Town |
| Yale | 5 | 110 | 109 | 0% | 759 | 0 | Town |
| Hitchcock | 6 | 106 | 106 | 0% | 388 | 0 | Town |
| Broadland | 7 | 28 | 28 | 0% | 28 | 1 | Town |
| Virgil | 8 | 24 | 24 | 0% | 24 | 1 | Town |
| Bancroft | 9 | 13 | 12 | 0% | 56 | 0 | Town |
Huron is the largest city in Beadle County, with a population of 14,641.
Bancroft is the smallest city in Beadle County, with a population of 13.
There are 9 cities in Beadle County, South Dakota.