Founded in 1843, DeSoto Parish is one of 64 parishes in the state of Louisiana. Historically, DeSoto Parish was formed from parts of Caddo Parish and Natchitoches Parish. The city of Mansfield is the parish seat. With FIPS code of 31, DeSoto Parish has a population of 26,919 and area of 895 square miles (2,318 km2).
List of all cities in DeSoto Parish, LA alphabetically
| City/Town | Postal Code | Area Code |
| Dona, LA | 71032 | 318 |
| Four Forks, LA | 71046 | 318 |
| Frierson, LA | 71027 | 318 |
| Gloster, LA | 71030 | 318 |
| Grand Cane, LA | 71032 | 318 |
| Holly, LA | 71032 | 318 |
| Keatchie, LA | 71046 | 318 |
| Kickapoo, LA | 71030 | 318 |
| Kingston, LA | 71032 | 318 |
| Logansport, LA | 71049 | 318 |
| 71050 | 318 | |
| Longstreet, LA | 71050 | 318 |
| Mansfield, LA | 71052 | 318 |
| Pelican, LA | 71063 | 318 |
| Stonewall, LA | 71078 | 318 |