9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Watonga | 1 | 2,556 | 2,680 | -0.97% | 678 | 3.77 | City |
| Okeene | 2 | 1,025 | 1,077 | -0.97% | 453 | 2.26 | Town |
| Geary | 3 | 970 | 995 | -0.51% | 234 | 4.14 | City |
| Canton | 4 | 444 | 466 | -0.89% | 849 | 0.52 | Town |
| Longdale | 5 | 183 | 182 | 0% | 693 | 0.26 | Town |
| Greenfield | 6 | 116 | 116 | 0% | 817 | 0.14 | Town |
| Hitchcock | 7 | 98 | 102 | -1.01% | 653 | 0.15 | Town |
| Homestead | 8 | 40 | 25 | 8.11% | 53 | 0.76 | CDP |
| Eagle City | 9 | 20 | 16 | 5.26% | 30 | 0.67 | CDP |
Watonga is the largest city in Blaine County, with a population of 2,556.
Eagle City is the smallest city in Blaine County.
There are 9 cities in Blaine County, Oklahoma.