| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beach | 1 | 995 | 974 | 0.1% | 390 | 3 | City |
| Golva | 2 | 89 | 79 | 1.14% | 278 | 0 | City |
| Sentinel Butte | 3 | 70 | 64 | 1.45% | 68 | 1 | City |
Beach is the largest city in Golden Valley County, with a population of 995.
Sentinel Butte is the smallest city in Golden Valley County, with a population of 70.
There are 3 cities in Golden Valley County, North Dakota.