8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Perry | 1 | 4,382 | 4,486 | -0.48% | 643 | 6.82 | City |
| Morrison | 2 | 709 | 724 | -0.42% | 509 | 1.39 | Town |
| Billings | 3 | 570 | 579 | -0.35% | 847 | 0.67 | Town |
| Red Rock | 4 | 247 | 249 | 0% | 996 | 0.25 | Town |
| Marland | 5 | 184 | 183 | 0% | 676 | 0.27 | Town |
| Ingalls | 6 | 163 | 139 | 7.24% | 63 | 2.59 | CDP |
| Lucien | 7 | 142 | 88 | 6.77% | 260 | 0.55 | CDP |
| Sumner | 8 | 15 | 77 | 7.14% | 103 | 0.15 | CDP |
Perry is the largest city in Noble County, with a population of 4,382.
Sumner is the smallest city in Noble County.
There are 8 cities in Noble County, Oklahoma.