5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hattiesburg | 1 | 48,199 | 48,736 | -0.22% | 902 | 53.44 | City |
| Petal | 2 | 11,603 | 11,102 | 0.87% | 686 | 16.91 | City |
| Baxterville | 3 | 520 | 408 | 7.22% | 165 | 3.16 | CDP |
| Runnelstown | 4 | 461 | 214 | 7.21% | 243 | 1.90 | CDP |
| Bond | 5 | 292 | 257 | 6.96% | 117 | 2.49 | CDP |
Hattiesburg is the largest city in Forrest County, with a population of 48,199.
Bond is the smallest city in Forrest County.
There are 5 cities in Forrest County, Mississippi.