13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Perry | 1 | 4,438 | 4,489 | -0.22% | 651 | 7 | City |
| Perry | 2 | 4,438 | 4,487 | -0.22% | 651 | 7 | City |
| Morrison | 3 | 717 | 726 | -0.28% | 514 | 1 | Town |
| Morrison | 4 | 717 | 726 | -0.28% | 514 | 1 | Town |
| Billings | 5 | 572 | 576 | -0.17% | 850 | 1 | Town |
| Billings | 6 | 572 | 576 | -0.17% | 850 | 1 | Town |
| Red Rock | 7 | 249 | 249 | 0% | 1,004 | 0 | Town |
| Red Rock | 8 | 249 | 249 | 0% | 1,004 | 0 | Town |
| Marland | 9 | 183 | 183 | 0% | 673 | 0 | Town |
| Marland | 10 | 183 | 183 | 0% | 673 | 0 | Town |
| Ingalls | 11 | 163 | 139 | 7.24% | 63 | 3 | CDP |
| Lucien | 12 | 142 | 88 | 6.77% | 260 | 1 | CDP |
| Sumner | 13 | 15 | 77 | 7.14% | 103 | 0 | CDP |
Perry is the largest city in Noble County, with a population of 4,438.
Sumner is the smallest city in Noble County, with a population of 15.
There are 13 cities in Noble County, Oklahoma.