9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salem | 1 | 2,443 | 2,163 | -0.45% | 777 | 3 | CDP |
| Salem | 2 | 1,640 | 1,571 | 0.86% | 680 | 2 | City |
| Salem | 3 | 1,640 | 1,568 | 0.86% | 680 | 2 | City |
| Highland | 4 | 1,061 | 986 | 1.34% | 121 | 9 | City |
| Highland | 5 | 1,061 | 988 | 1.34% | 121 | 9 | City |
| Mammoth Spring | 6 | 953 | 930 | 0.53% | 738 | 1 | City |
| Mammoth Spring | 7 | 953 | 928 | 0.53% | 738 | 1 | City |
| Viola | 8 | 375 | 359 | 0.81% | 239 | 2 | Town |
| Viola | 9 | 375 | 358 | 0.81% | 239 | 2 | Town |
Salem is the largest city in Fulton County, with a population of 2,443.
Viola is the smallest city in Fulton County, with a population of 375.
There are 9 cities in Fulton County, Arkansas.