This department has 265 communes.
| Code | Name | Population |
|---|---|---|
| 86194 | Poitiers | 89 916 |
| 86066 | Châtellerault | 31 003 |
| 86041 | Buxerolles | 10 289 |
| 86115 | Jaunay-Marigny | 7 528 |
| 86214 | Saint-Benoît | 7 375 |
This department has 21 cantons.
| Code | Name | Central office |
|---|---|---|
| 8601 | Chasseneuil-du-Poitou | Chasseneuil-du-Poitou |
| 8602 | Châtellerault-1 | Châtellerault |
| 8603 | Châtellerault-2 | Châtellerault |
| 8604 | Châtellerault-3 | Châtellerault |
| 8605 | Chauvigny | Chauvigny |
This department has 3 departmental arrondissements.
| Code | Name | Administrative seat |
|---|---|---|
| 861 | Châtellerault | Châtellerault |
| 862 | Montmorillon | Montmorillon |
| 863 | Poitiers | Poitiers |