5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Claude | 1 | 1,170 | 1,193 | -0.43% | 682 | 2 | City |
| Timbercreek Canyon | 2 | 486 | 435 | 2.1% | 255 | 2 | Village |
| Howardwick | 3 | 367 | 367 | 0% | 181 | 2 | City |
| Washburn | 4 | 329 | 154 | 7.17% | 342 | 1 | CDP |
| Palisades | 5 | 297 | 270 | 1.71% | 529 | 1 | Village |
Claude is the largest city in Armstrong County, with a population of 1,170.
Palisades is the smallest city in Armstrong County, with a population of 297.
There are 5 cities in Armstrong County, Texas.