14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Colfax | 1 | 1,387 | 1,436 | -0.64% | 930 | 1 | Town |
| Colfax | 2 | 1,387 | 1,432 | -0.64% | 930 | 1 | Town |
| Montgomery | 3 | 625 | 627 | -0.16% | 303 | 2 | Town |
| Montgomery | 4 | 625 | 627 | -0.16% | 303 | 2 | Town |
| Dry Prong | 5 | 441 | 455 | -0.68% | 318 | 1 | Village |
| Dry Prong | 6 | 441 | 454 | -0.68% | 318 | 1 | Village |
| Pollock | 7 | 393 | 401 | -0.51% | 50 | 8 | Town |
| Pollock | 8 | 393 | 400 | -0.51% | 50 | 8 | Town |
| Creola | 9 | 293 | 242 | 3.53% | 715 | 0 | Village |
| Creola | 10 | 293 | 241 | 3.53% | 715 | 0 | Village |
| Rock Hill | 11 | 292 | 192 | 0.69% | 76 | 4 | CDP |
| Georgetown | 12 | 273 | 276 | -0.36% | 210 | 1 | Village |
| Georgetown | 13 | 273 | 275 | -0.36% | 210 | 1 | Village |
| Prospect | 14 | 156 | 177 | -11.86% | 106 | 1 | CDP |
Colfax is the largest city in Grant Parish, with a population of 1,387.
Prospect is the smallest city in Grant Parish, with a population of 156.
There are 14 cities in Grant Parish, Louisiana.