| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bastrop | 1 | 8,756 | 9,613 | -1.71% | 1,023 | 9 | City |
| Mer Rouge | 2 | 443 | 482 | -1.56% | 378 | 1 | Village |
| Collinston | 3 | 252 | 270 | -1.56% | 224 | 1 | Village |
| Bonita | 4 | 156 | 170 | -1.89% | 116 | 1 | Village |
| Oak Ridge | 5 | 110 | 123 | -2.65% | 111 | 1 | Village |
Bastrop is the largest city in Morehouse Parish, with a population of 8,756.
Oak Ridge is the smallest city in Morehouse Parish, with a population of 110.
There are 5 cities in Morehouse Parish, Louisiana.