8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mansfield | 1 | 4,484 | 4,711 | -0.99% | 1,228 | 3.65 | City |
| Stonewall | 2 | 2,701 | 2,285 | 3.17% | 315 | 8.59 | Town |
| Logansport | 3 | 1,328 | 1,337 | -0.15% | 391 | 3.40 | Town |
| South Mansfield | 4 | 338 | 335 | 0.3% | 498 | 0.68 | Village |
| Grand Cane | 5 | 214 | 219 | -0.46% | 189 | 1.13 | Village |
| Stanley | 6 | 129 | 128 | 0% | 59 | 2.17 | Village |
| Longstreet | 7 | 117 | 117 | 0% | 57 | 2.05 | Village |
| Gloster | 8 | 82 | 41 | 6.49% | 65 | 1.26 | CDP |
Mansfield is the largest city in De Soto Parish, with a population of 4,484.
Gloster is the smallest city in De Soto Parish.
There are 8 cities in De Soto Parish, Louisiana.