Le Mesnil-Saint-Denis

Le Mesnil-Saint-Denis
Town hall
Location of Le Mesnil-Saint-Denis
Le Mesnil-Saint-Denis
Le Mesnil-Saint-Denis
Coordinates: 48°44′39″N 1°57′50″E / 48.7442°N 1.9639°E / 48.7442; 1.9639
CountryFrance
RegionÎle-de-France
DepartmentYvelines
ArrondissementRambouillet
CantonMaurepas
Government
  Mayor (20202026) Christophe Buhot
Area
1
8.95 km2 (3.46 sq mi)
Population
 (2022)
7,103
  Density790/km2 (2,100/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
78397 /78320
Elevation120–177 m (394–581 ft)
(avg. 168 m or 551 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Le Mesnil-Saint-Denis (French pronunciation: [ menil sɛ̃ dəni] ) is a commune in the Yvelines department in the Île-de-France region in north-central France.