Founded in 1807, St. Martin Parish is one of 64 parishes in the state of Louisiana. Historically, St. Martin Parish was one of the original 19 parishes. The city of St. Martinville is the parish seat. With FIPS code of 99, St. Martin Parish has a population of 51,540 and area of 817 square miles (2,116 km2).
List of all cities in Saint Martin Parish, LA alphabetically
| City/Town | Postal Code | Area Code |
| Breaux Bridge, LA | 70517 | 337 |
| Butte Larose, LA | 70517 | 337 |
| Cade, LA | 70519 | 337 |
| Cecilia, LA | 70521 | 337 |
| Henderson, LA | 70517 | 337 |
| Parks, LA | 70582 | 337 |
| Saint Martinville, LA | 70582 | 337 |