5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Claude | 1 | 1,183 | 1,190 | -0.08% | 689 | 1.72 | City |
| Timbercreek Canyon | 2 | 497 | 432 | 2.69% | 261 | 1.91 | Village |
| Howardwick | 3 | 362 | 366 | -0.28% | 179 | 2.02 | City |
| Washburn | 4 | 329 | 154 | 7.17% | 342 | 0.96 | CDP |
| Palisades | 5 | 300 | 272 | 2.04% | 535 | 0.56 | Village |
Claude is the largest city in Armstrong County, with a population of 1,183.
Palisades is the smallest city in Armstrong County.
There are 5 cities in Armstrong County, Texas.