| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vidalia | 1 | 3,917 | 3,984 | -0.2% | 1,510 | 3 | Town |
| Ferriday | 2 | 2,949 | 3,187 | -1.17% | 1,810 | 2 | Town |
| Clayton | 3 | 543 | 581 | -1.09% | 343 | 2 | Town |
| Ridgecrest | 4 | 532 | 577 | -1.3% | 1,237 | 0 | Town |
Vidalia is the largest city in Concordia Parish, with a population of 3,917.
Ridgecrest is the smallest city in Concordia Parish, with a population of 532.
There are 4 cities in Concordia Parish, Louisiana.