5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salem | 1 | 2,443 | 2,163 | -0.45% | 777 | 3.15 | CDP |
| Salem | 2 | 1,636 | 1,568 | 0.86% | 678 | 2.41 | City |
| Highland | 3 | 1,077 | 987 | 1.7% | 123 | 8.74 | City |
| Mammoth Spring | 4 | 952 | 927 | 0.53% | 737 | 1.29 | City |
| Viola | 5 | 377 | 361 | 0.8% | 240 | 1.57 | Town |
Salem is the largest city in Fulton County, with a population of 2,443.
Viola is the smallest city in Fulton County.
There are 5 cities in Fulton County, Arkansas.