5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Stuttgart | 1 | 7,337 | 8,239 | -2% | 990 | 7 | City |
| DeWitt | 2 | 2,745 | 3,041 | -1.75% | 917 | 3 | City |
| Gillett | 3 | 631 | 568 | 1.77% | 634 | 1 | City |
| Almyra | 4 | 237 | 257 | -1.25% | 611 | 0 | Town |
| St. Charles | 5 | 184 | 204 | -1.6% | 207 | 1 | Town |
Stuttgart is the largest city in Arkansas County, with a population of 7,337.
St. Charles is the smallest city in Arkansas County, with a population of 184.
There are 5 cities in Arkansas County, Arkansas.