4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Claude | 1 | 1,166 | 1,193 | -0.34% | 679 | 2 | City |
| Timbercreek Canyon | 2 | 496 | 435 | 2.06% | 260 | 2 | Village |
| Howardwick | 3 | 367 | 367 | 0% | 181 | 2 | City |
| Palisades | 4 | 303 | 270 | 2.02% | 540 | 1 | Village |
Claude is the largest city in Armstrong County, with a population of 1,166.
Palisades is the smallest city in Armstrong County, with a population of 303.
There are 4 cities in Armstrong County, Texas.