5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Stuttgart | 1 | 7,484 | 8,243 | -1.99% | 1,010 | 7.41 | City |
| DeWitt | 2 | 2,792 | 3,044 | -1.76% | 933 | 2.99 | City |
| Gillett | 3 | 619 | 568 | 1.64% | 621 | 1 | City |
| Almyra | 4 | 241 | 260 | -1.63% | 621 | 0.39 | Town |
| St. Charles | 5 | 186 | 205 | -2.11% | 210 | 0.89 | Town |
Stuttgart is the largest city in Arkansas County, with a population of 7,484.
St. Charles is the smallest city in Arkansas County.
There are 5 cities in Arkansas County, Arkansas.