Champagne-sur-Oise

Champagne-sur-Oise
Notre-Dame de l'Assomption
Location of Champagne-sur-Oise
Champagne-sur-Oise
Champagne-sur-Oise
Coordinates: 49°08′11″N 2°14′10″E / 49.1364°N 2.2361°E / 49.1364; 2.2361
CountryFrance
RegionÎle-de-France
DepartmentVal-d'Oise
ArrondissementPontoise
CantonL'Isle-Adam
IntercommunalityCC du Haut Val-d'Oise
Government
 • Mayor (2020–2026) Stéphane Carteado
Area
1
9.45 km2 (3.65 sq mi)
Population
 (2023)
5,036
 • Density533/km2 (1,380/sq mi)
DemonymChampenois
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
95134 /95660
Elevation23–176 m (75–577 ft)
Websitechampagne95.fr
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Champagne-sur-Oise (French pronunciation: [ʃɑ̃paɲ syʁ waz] ; lit. 'Champagne-on-Oise') is a commune in the Val-d'Oise department in Île-de-France in northern France. Champagne-sur-Oise station has rail connections to Persan, Creil, Pontoise and Paris (at Gare du Nord).