| 2025-01-01 | Creation of a new commune | 61275 | Le Merlerault |
| 2025-01-01 | Creation of a new commune | 61275 | Le Merlerault → Merlerault-le-Pin |
| 2025-01-01 | Deletion | 61275 | Le Merlerault |
| 2025-01-01 | Creation of a new commune | 61017 → 61275 | Les Authieux-du-Puits → Merlerault-le-Pin |
| 2025-01-01 | Creation of a new commune | 61188 → 61275 | La Genevraie → Merlerault-le-Pin |
| 2025-01-01 | Creation of a new commune | 61192 → 61275 | Godisson → Merlerault-le-Pin |
| 2025-01-01 | Creation of a new commune | 61310 → 61275 | Nonant-le-Pin → Merlerault-le-Pin |
| 1943-01-01 | Creation | 61275 | Le Merlerault |