10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| New Cordell | 1 | 2,682 | 2,767 | -0.63% | 1,193 | 2.25 | City |
| Burns Flat | 2 | 1,872 | 1,947 | -0.79% | 2,162 | 0.87 | Town |
| Sentinel | 3 | 738 | 762 | -0.67% | 1,186 | 0.62 | Town |
| Corn | 4 | 575 | 594 | -0.69% | 1,648 | 0.35 | Town |
| Canute | 5 | 479 | 484 | -0.21% | 759 | 0.63 | Town |
| Dill City | 6 | 407 | 417 | -0.49% | 704 | 0.58 | Town |
| Bessie | 7 | 180 | 182 | 0% | 347 | 0.52 | Town |
| Rocky | 8 | 124 | 128 | -0.8% | 590 | 0.21 | Town |
| Colony | 9 | 108 | 112 | -0.92% | 117 | 0.92 | Town |
| Foss | 10 | 101 | 101 | 0% | 137 | 0.74 | Town |
New Cordell is the largest city in Washita County, with a population of 2,682.
Foss is the smallest city in Washita County.
There are 10 cities in Washita County, Oklahoma.