4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bay Springs | 1 | 1,559 | 1,659 | -1.27% | 104 | 14.94 | City |
| Heidelberg | 2 | 602 | 637 | -1.15% | 118 | 5.11 | Town |
| Louin | 3 | 260 | 275 | -1.14% | 43 | 6.06 | Town |
| Montrose | 4 | 100 | 104 | -0.99% | 37 | 2.71 | Town |
Bay Springs is the largest city in Jasper County, with a population of 1,559.
Montrose is the smallest city in Jasper County.
There are 4 cities in Jasper County, Mississippi.