Gagny | |
|---|---|
 | |
| Country | France |
| Region | Île-de-France |
| Department | Seine-Saint-Denis |
| No. of communes | 2 |
| Seat | Gagny |
| Area | 13.69 km2 (5.29 sq mi) |
| Population (2021)[1] | 77,720 |
| • Density | 5,677/km2 (14,700/sq mi) |
| INSEE code | 93 10 |
The canton of Gagny is a French administrative division, located in the arrondissement of Le Raincy, in the Seine-Saint-Denis département (Île-de-France région). Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Gagny.[2]