- Electoral district number:
- 24021
- Region:
- Quebec Region
- Area:
- 940 km2
- Population**:
- 105,111
- Number of electors on list****:
- 79,854
- Major census subdivisions (municipalities)***:
-
Châteauguay
Saint-Constant*
Mercier
Saint-Rémi
Sainte-Martine
Napierville
Saint-Michel
Saint-Isidore
Sainte-Clotilde
Léry
- Adjacent electoral districts
-
- La Prairie
- Saint-Jean
- Salaberry--Suroît
- Electoral boundaries established according to the 2013 Representation Order.
- * Denotes that a census subdivision covers more than one electoral district.
- ** Population based on 2021 census data.
- *** Municipalities in place during 2021 census.
- **** Number of electors on the final lists during the last event.