8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Colfax | 1 | 1,363 | 1,433 | -1.02% | 914 | 1.49 | Town |
| Montgomery | 2 | 616 | 626 | -0.32% | 298 | 2.07 | Town |
| Dry Prong | 3 | 433 | 452 | -0.92% | 312 | 1.39 | Village |
| Pollock | 4 | 384 | 396 | -0.52% | 49 | 7.84 | Town |
| Rock Hill | 5 | 292 | 192 | 0.69% | 76 | 3.85 | CDP |
| Georgetown | 6 | 270 | 275 | -0.37% | 208 | 1.30 | Village |
| Creola | 7 | 266 | 243 | 1.92% | 649 | 0.41 | Village |
| Prospect | 8 | 156 | 177 | -11.86% | 106 | 1.48 | CDP |
Colfax is the largest city in Grant Parish, with a population of 1,363.
Prospect is the smallest city in Grant Parish.
There are 8 cities in Grant Parish, Louisiana.