Ermont

Ermont
The church of Saint-Flaive, in Ermont
Location (in red) within Paris inner and outer suburbs
Location of Ermont
Ermont
Ermont
Coordinates: 48°59′32″N 2°15′37″E / 48.9922°N 2.2603°E / 48.9922; 2.2603
CountryFrance
RegionÎle-de-France
DepartmentVal-d'Oise
ArrondissementArgenteuil
CantonErmont
IntercommunalityCA Val Parisis
Government
 • Mayor (2020–2026) Xavier Haquin[1]
Area
1
4.16 km2 (1.61 sq mi)
Population
 (2023)[2]
29,489
 • Density7,090/km2 (18,400/sq mi)
DemonymErmontois·e
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
95219 /95120
Elevation43–65 m (141–213 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Ermont (French pronunciation: [ɛʁmɔ̃] ) is a commune in the Val-d'Oise department, in the northern suburbs of Paris, France. It is located 17.2 km (10.7 mi) from the center of Paris. It has around 28,000 inhabitants, which makes Ermont one of the most important cities in Val d'Oise. Ermont has experienced rapid urbanization thanks to railway transport and industrialization, with the population of Ermont being just 9000 after the Second World War to now more than 28,000.

History

The Hôtel de Ville was built as a private residence and completed in 1868.[3]

Population

Transport

Ermont is served by Ermont–Eaubonne station which is an interchange station on Paris RER line C, on the Transilien Paris-Nord suburban rail line, and on the Transilien Paris-Saint-Lazare suburban rail line.

Ermont is also served by Cernay station which is an interchange station on Paris RER line C and on the Transilien Paris-Nord suburban rail line.

Finally, Ermont is also served by two stations on the Transilien Paris – Nord suburban rail line: Ermont-Halte and Gros Noyer–Saint-Prix.

Personalities

Twin towns - sister cities

Ermont is twinned with:[6]

See also

References

  1. ^ "Répertoire national des élus: les maires" (in French). data.gouv.fr, Plateforme ouverte des données publiques françaises. 13 September 2022.
  2. ^ "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.
  3. ^ "L'ancienne mairie d'Ermont, vestige du passé de la commune". Journal de François. Retrieved 6 February 2026.
  4. ^ Des villages de Cassini aux communes d'aujourd'hui: Commune data sheet Ermont, EHESS (in French).
  5. ^ Population en historique depuis 1968, INSEE
  6. ^ "Les jumelages". ermont.fr (in French). Ermont. Retrieved 2019-11-21.