Montmagny, Val-d'Oise

Montmagny
The former seminary, in Montmagny
Location of Montmagny
Montmagny
Montmagny
Coordinates: 48°58′28″N 2°20′48″E / 48.9744°N 2.3467°E / 48.9744; 2.3467
CountryFrance
RegionÎle-de-France
DepartmentVal-d'Oise
ArrondissementSarcelles
CantonDeuil-la-Barre
IntercommunalityCA Plaine Vallée
Government
  Mayor (20202026) Patrick Floquet
Area
1
2.91 km2 (1.12 sq mi)
Population
 (2022)
14,632
  Density5,000/km2 (13,000/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
95427 /95360
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Montmagny (French pronunciation: [mɔ̃maɲi] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.