| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crossett | 1 | 4,384 | 4,787 | -1.57% | 612 | 7 | City |
| Hamburg | 2 | 2,331 | 2,520 | -1.4% | 679 | 3 | City |
| Wilmot | 3 | 388 | 423 | -1.77% | 219 | 2 | City |
| Portland | 4 | 298 | 321 | -1.32% | 278 | 1 | City |
| Montrose | 5 | 223 | 244 | -1.76% | 588 | 0 | City |
| Parkdale | 6 | 160 | 175 | -1.84% | 157 | 1 | City |
| Fountain Hill | 7 | 101 | 107 | -0.98% | 178 | 1 | Town |
Crossett is the largest city in Ashley County, with a population of 4,384.
Fountain Hill is the smallest city in Ashley County, with a population of 101.
There are 7 cities in Ashley County, Arkansas.