9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Guymon | 1 | 11,879 | 12,899 | -1.69% | 1,536 | 7.74 | City |
| Hooker | 2 | 1,661 | 1,795 | -1.6% | 1,502 | 1.11 | City |
| Goodwell | 3 | 900 | 950 | -1.1% | 410 | 2.20 | Town |
| Texhoma | 4 | 795 | 855 | -1.49% | 1,240 | 0.64 | Town |
| Tyrone | 5 | 709 | 728 | -0.56% | 1,680 | 0.42 | Town |
| Optima | 6 | 313 | 335 | -1.26% | 587 | 0.53 | Town |
| Adams | 7 | 311 | 306 | 7.24% | 616 | 0.51 | CDP |
| Hardesty | 8 | 192 | 204 | -1.03% | 853 | 0.23 | Town |
| Hough | 9 | 35 | 12 | 6.06% | 507 | 0.07 | CDP |
Guymon is the largest city in Texas County, with a population of 11,879.
Hough is the smallest city in Texas County.
There are 9 cities in Texas County, Oklahoma.