1 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Highmore | 1 | 634 | 672 | -0.94% | 336 | 2 | City |
Highmore is the largest city in Hyde County, with a population of 634.
Highmore is the smallest city in Hyde County, with a population of 634.
There is 1 city in Hyde County, South Dakota.