Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Hattiesburg (city), MS | 48,730 |
| 2 | Petal (city), MS | 11,010 |
| 3 | West Hattiesburg (CDP), MS | 6,006 |
| 4 | Ellisville (city), MS | 4,652 |
| 5 | Arnold Line (CDP), MS | 2,333 |
| 6 | Purvis (city), MS | 1,909 |
| 7 | Sumrall (town), MS | 1,765 |
| 8 | Oak Grove (CDP), MS | 1,758 |
| 9 | Glendale (CDP), MS | 1,681 |
| 10 | Lumberton (city), MS | 1,617 |
| 11 | Rawls Springs (CDP), MS | 1,202 |
| 12 | New Augusta (town), MS | 554 |
| 13 | Runnelstown (CDP), MS | 320 |
| 14 | Seminary (town), MS | 305 |
| 15 | Moselle (CDP), MS | 304 |
| 16 | Eastabuchie (CDP), MS | 187 |