7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| DeRidder | 1 | 9,427 | 9,849 | -0.85% | 1,015 | 9 | City |
| DeRidder | 2 | 9,427 | 9,830 | -0.85% | 1,015 | 9 | City |
| Merryville | 3 | 943 | 974 | -0.63% | 96 | 10 | Town |
| Merryville | 4 | 943 | 972 | -0.63% | 96 | 10 | Town |
| Oretta | 5 | 813 | 638 | 3.3% | 370 | 2 | CDP |
| Singer | 6 | 371 | 306 | 1.64% | 53 | 7 | CDP |
| Longville | 7 | 240 | 170 | -9.77% | 42 | 6 | CDP |
DeRidder is the largest city in Beauregard Parish, with a population of 9,427.
Longville is the smallest city in Beauregard Parish, with a population of 240.
There are 7 cities in Beauregard Parish, Louisiana.