8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Dumas | 1 | 3,451 | 3,978 | -2.95% | 1,188 | 2.91 | City |
| McGehee | 2 | 3,359 | 3,848 | -2.83% | 501 | 6.71 | City |
| Arkansas City | 3 | 330 | 377 | -2.65% | 671 | 0.49 | City |
| Mitchellville | 4 | 258 | 292 | -2.64% | 2,150 | 0.12 | City |
| Watson | 5 | 159 | 183 | -3.05% | 795 | 0.20 | City |
| Tillar | 6 | 157 | 167 | -1.26% | 200 | 0.79 | City |
| Reed | 7 | 112 | 127 | -2.61% | 552 | 0.20 | Town |
| Symonds | 8 | 34 | 17 | 6.25% | 472 | 0.07 | CDP |
Dumas is the largest city in Desha County, with a population of 3,451.
Symonds is the smallest city in Desha County.
There are 8 cities in Desha County, Arkansas.