This commune has 4 associated communes.
| Code | Name |
|---|---|
| 45003 | Allainville-en-Beauce |
| 45140 | Faronville |
| 45295 | Saint-Péravy-Épreux |
| 45318 | Teillay-le-Gaudin |
| Date | Type | Code | Name |
|---|---|---|---|
| 1973-01-01 | Association merger | 45003 → 45240 | Allainville-en-Beauce → Outarville |
| 1973-01-01 | Association merger | 45140 → 45240 | Faronville → Outarville |
| 1973-01-01 | Association merger | 45240 | Outarville |
| 1973-01-01 | Association merger | 45295 → 45240 | Saint-Péravy-Épreux → Outarville |
| 1973-01-01 | Association merger | 45318 → 45240 | Teillay-le-Gaudin → Outarville |
| 1943-01-01 | Creation | 45240 | Outarville |