Le Chesnay-Rocquencourt

Le Chesnay-Rocquencourt
Château Aubert
Location of Le Chesnay-Rocquencourt
Le Chesnay-Rocquencourt
Le Chesnay-Rocquencourt
Coordinates: 48°49′16″N 2°07′52″E / 48.8211°N 2.1311°E / 48.8211; 2.1311
CountryFrance
RegionÎle-de-France
DepartmentYvelines
ArrondissementVersailles
CantonLe Chesnay-Rocquencourt
IntercommunalityCA Versailles Grand Parc
Government
  Mayor (20202026) Richard Delepierre
Area
1
7.02 km2 (2.71 sq mi)
Population
 (2022)
31,064
  Density4,400/km2 (11,000/sq mi)
Demonym(s)Chesnaycourtois (masculine)
Chesnaycourtoise (feminine)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
78158 /78150
Elevation113–179 m (371–587 ft)
(avg. 145 m or 476 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Le Chesnay-Rocquencourt (French pronunciation: [ ʃɛnɛ ʁɔkɑ̃kuʁ] ) is a commune in the western suburbs of Paris, in the department of Yvelines.

It was established on 1 January 2019 from the amalgamation of the communes of Le Chesnay and Rocquencourt.