8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| West Hattiesburg | 1 | 6,315 | 5,944 | 0.43% | 2,617 | 2.41 | CDP |
| Rawls Springs | 2 | 2,273 | 1,708 | 3.08% | 1,245 | 1.83 | CDP |
| Collins | 3 | 2,231 | 2,331 | -0.89% | 280 | 7.96 | City |
| Oak Grove | 4 | 1,961 | 1,891 | 7.16% | 1,570 | 1.25 | CDP |
| Arnold Line | 5 | 1,806 | 1,654 | 0.28% | 1,086 | 1.66 | CDP |
| Glendale | 6 | 1,478 | 1,483 | -0.81% | 907 | 1.63 | CDP |
| Mount Olive | 7 | 866 | 888 | -0.46% | 280 | 3.10 | Town |
| Seminary | 8 | 288 | 303 | -1.03% | 188 | 1.53 | Town |
West Hattiesburg is the largest city in Covington County, with a population of 6,315.
Seminary is the smallest city in Covington County.
There are 8 cities in Covington County, Mississippi.