11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vidalia | 1 | 3,863 | 4,021 | -0.64% | 1,489 | 3 | Town |
| Vidalia | 2 | 3,863 | 3,986 | -0.64% | 1,489 | 3 | Town |
| Ferriday | 3 | 2,946 | 3,190 | -1.64% | 1,808 | 2 | Town |
| Ferriday | 4 | 2,946 | 3,188 | -1.64% | 1,808 | 2 | Town |
| Minorca | 5 | 1,168 | 1,727 | -6.18% | 261 | 4 | CDP |
| Clayton | 6 | 536 | 583 | -1.65% | 339 | 2 | Town |
| Clayton | 7 | 536 | 578 | -1.65% | 339 | 2 | Town |
| Ridgecrest | 8 | 529 | 581 | -1.86% | 1,230 | 0 | Town |
| Ridgecrest | 9 | 529 | 576 | -1.86% | 1,230 | 0 | Town |
| Spokane | 10 | 478 | 442 | 0.42% | 203 | 2 | CDP |
| Monterey | 11 | 188 | 371 | -7.84% | 66 | 3 | CDP |
Vidalia is the largest city in Concordia Parish, with a population of 3,863.
Monterey is the smallest city in Concordia Parish, with a population of 188.
There are 11 cities in Concordia Parish, Louisiana.