| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salem | 1 | 1,625 | 1,569 | 0.87% | 674 | 2 | City |
| Highland | 2 | 1,074 | 983 | 1.32% | 123 | 9 | City |
| Mammoth Spring | 3 | 946 | 926 | 0.53% | 732 | 1 | City |
| Viola | 4 | 375 | 357 | 1.08% | 239 | 2 | Town |
Salem is the largest city in Fulton County, with a population of 1,625.
Viola is the smallest city in Fulton County, with a population of 375.
There are 4 cities in Fulton County, Arkansas.