| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crossett | 1 | 4,359 | 4,799 | -1.65% | 609 | 7 | City |
| Hamburg | 2 | 2,315 | 2,521 | -1.45% | 674 | 3 | City |
| Wilmot | 3 | 379 | 417 | -1.56% | 214 | 2 | City |
| Portland | 4 | 295 | 322 | -1.34% | 275 | 1 | City |
| Montrose | 5 | 222 | 243 | -1.33% | 586 | 0 | City |
| Parkdale | 6 | 160 | 174 | -1.23% | 157 | 1 | City |
| Fountain Hill | 7 | 100 | 106 | -0.99% | 176 | 1 | Town |
Crossett is the largest city in Ashley County, with a population of 4,359.
Fountain Hill is the smallest city in Ashley County, with a population of 100.
There are 7 cities in Ashley County, Arkansas.