13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beach | 1 | 970 | 974 | -0.1% | 380 | 2.55 | City |
| Beach township | 2 | 170 | 161 | 1.19% | 2 | 104.28 | Township |
| Lone Tree township | 3 | 153 | 146 | 0.66% | 1 | 105.06 | Township |
| Golva | 4 | 87 | 81 | 1.16% | 272 | 0.32 | City |
| Sentinel Butte | 5 | 64 | 61 | 1.59% | 62 | 1.03 | City |
| Sentinel township | 6 | 63 | 61 | 0% | 0.00 | 143.62 | Township |
| Saddle Butte township | 7 | 56 | 47 | 5.66% | 2 | 35.27 | Township |
| Delhi township | 8 | 40 | 38 | 0% | 1 | 35.85 | Township |
| Bullion township | 9 | 32 | 32 | 0% | 1 | 35.83 | Township |
| Henry township | 10 | 19 | 20 | -5% | 0.00 | 72.19 | Township |
| Garner township | 11 | 12 | 12 | 0% | 0.00 | 35.86 | Township |
| Pearl township | 12 | 6 | 6 | 0% | 0.00 | 72.18 | Township |
| Elk Creek township | 13 | 5 | 5 | 0% | 0.00 | 35.66 | Township |
Beach is the largest city in Golden Valley County, with a population of 970.
Elk Creek township is the smallest city in Golden Valley County.
There are 13 cities in Golden Valley County, North Dakota.