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Location within the Yvelines department
Location within the Yvelines department
No. of communes12
119.2 km2 (46.0 sq mi)
 • Density1,915/km2 (4,960/sq mi)

Saint-Quentin-en-Yvelines (French pronunciation: ​[sɛ̃ kɑ̃.tɛ̃ ɑ̃.n‿iv.lin]) is a new town and an agglomeration community in the French department of Yvelines. It is one of the original five villes nouvelles (new towns) of Paris and was named after the Saint Quentin Pond, which was chosen to become the town's centre. The town was built from a greenfield site starting in the 1960s. Its area is 119.2 km2. In 2018, Saint-Quentin-en-Yvelines had a population of 228,312.[1] It is part of the much larger Paris metropolitan area, and is around 25 km (16 mi) west of the centre of Paris.

Administrative divisions[edit]

The communauté d'agglomération comprises 12 communes:[2][3]

Of these communes, Montigny-le-Bretonneux is the most centrally located and has the largest population. The 2 most importants communes are Trappes and Montigny.


Historical population
YearPop.±% p.a.
1968 51,393—    
1975 109,484+11.41%
1982 163,605+5.91%
1990 204,010+2.80%
1999 224,259+1.06%
2007 227,888+0.20%
2012 226,469−0.12%
2017 229,353+0.25%
Populations of the area corresponding with the communauté d'agglomération at 1 January 2020.
Source: INSEE[4]

Its president is Jean-Michel Fourgous.[2]

Until 2019, Saint-Quentin-en-Yvelines served as the start and finish point of the famous Paris–Brest–Paris bicycling endurance event.


Europcar has its head office in the business park of Val Saint-Quentin at Voisins-le-Bretonneux.[5] It previously had its head office in the Immeuble Les Quadrants in Saint-Quentin-en-Yvelines.[6]

At one time Bouygues had its head office in the Kevin Roche-designed Challenger complex in Saint-Quentin-en-Yvelines.[7] It is now occupied by Bouygues Construction, one of the group's subsidiaries.[8]

Le Golf National is a private golf course in Saint-Quentin. It is hosting the 2018 Ryder Cup.[9]


Vélodrome de Saint-Quentin-en-Yvelines

The city has a velodrome, the Vélodrome de Saint-Quentin-en-Yvelines. It was built between 2011 and 2014 and hosted the 2015 UCI Track Cycling World Championships and the 2016 UEC European Track Championships. Next to the velodrome is also a BMX track.

Between 1991 and 2015, Saint-Quentin-en-Yvelines was the start and finish location for the Paris-Brest-Paris randonnée.[10]



Senior high schools/sixth form colleges:

International schools:


  1. ^ Comparateur de territoire, INSEE, accessed 6 April 2022.
  2. ^ a b CA de Saint Quentin en Yvelines (N° SIREN : 200058782), BANATIC, accessed 6 April 2022.
  3. ^ "Intercommunalité-Métropole de CA de Saint-Quentin-en-Yvelines (200058782) − COG | Insee". Retrieved July 17, 2019.
  4. ^ Population en historique depuis 1968, INSEE
  5. ^ "Legal information Archived 2015-06-23 at the Wayback Machine." Europcar. Retrieved on June 23, 2015. "and whose registered office is Bat OP, 2 rue René Caudron, 78960 Voisins-le-Bretonneux, France"
  6. ^ "Our Headquarters Archived 2011-12-26 at the Wayback Machine." Europcar. Retrieved on 26 December 2011. "3 avenue du Centre Immeuble Les Quadrants 78881 St QUENTIN en Yvelines FRANCE "
  7. ^ "Bouygues reste fidèle à son architecte". Le Journal du Net [fr] (in French). Retrieved 7 July 2010.
  8. ^ "Contacts Archived 2011-12-29 at the Wayback Machine." Bouygues Construction. Retrieved on 27 December 2011. "Bouygues Construction Challenger 1, avenue Eugène Freyssinet Guyancourt 78061 St-Quentin-en-Yvelines France"
  9. ^ "France beats favourites Spain to host 2018 Ryder Cup". May 17, 2011. Retrieved July 17, 2019 – via
  10. ^ "Paris-Brest-Paris 2019". Retrieved July 17, 2019.

External links[edit]

Media related to Saint-Quentin-en-Yvelines at Wikimedia Commons

Coordinates: 48°47′17.16″N 2°02′40.56″E / 48.7881000°N 2.0446000°E / 48.7881000; 2.0446000