8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Forrest City | 1 | 12,023 | 12,973 | -1.3% | 594 | 20 | City |
| Hughes | 2 | 940 | 1,051 | -1.88% | 415 | 2 | City |
| Madison | 3 | 695 | 761 | -1.56% | 280 | 2 | City |
| Palestine | 4 | 457 | 504 | -1.72% | 134 | 3 | City |
| Caldwell | 5 | 409 | 445 | -1.45% | 128 | 3 | Town |
| Colt | 6 | 274 | 297 | -1.44% | 218 | 1 | City |
| Wheatley | 7 | 254 | 277 | -1.55% | 83 | 3 | City |
| Widener | 8 | 194 | 211 | -1.52% | 356 | 1 | Town |
Forrest City is the largest city in St. Francis County, with a population of 12,023.
Widener is the smallest city in St. Francis County, with a population of 194.
There are 8 cities in St. Francis County, Arkansas.