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Yvelines
Yvelines
Department of France
	From top down, left to right: prefecture building in Versailles, view of La Celle-Saint-Cloud, forest and lake in Guyancourt, marble courtyard and gardens of the Palace of Versailles
	Flag Coat of arms
	Location of Yvelines in France
	Coordinates: 48°50′N 1°55′E / 48.833°N 1.917°E
Country	France
Region	Île-de-France
Prefecture	Versailles
Subprefectures	Mantes-la-Jolie; Rambouillet; Saint-Germain-; en-Laye
Government
• President of the Departmental Council	Pierre Bédier (LR)
Area 1
• Total	2,284 km2 (882 sq mi)
Population (2023)
• Total	1,485,086
• Rank	8th
• Density	650.2/km2 (1,684/sq mi)
GDP
• Total	€60.058 billion (2021)
• Per capita	€42,238 (2021)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Department number	78
Arrondissements	4
Cantons	21
Communes	259
	^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2.

Yvelines (French pronunciation: [ivlin] ^ⓘ) is a department in the western part of the Île-de-France region in Northern France. In 2019, it had a population of 1,448,207.^[4] Its prefecture is Versailles, home to the Palace of Versailles, the principal residence of the King of France from 1682 until 1789, a UNESCO World Heritage Site since 1979. Yvelines' subprefectures are Saint-Germain-en-Laye, Mantes-la-Jolie and Rambouillet.

History

Yvelines was created from the western part of the former department of Seine-et-Oise on 1 January 1968 in accordance with a law passed on 10 January 1964 and a décret d'application (a decree specifying how a law should be enforced) from 26 February 1965. It inherited Seine-et-Oise's official number of 78 since it took up the largest portion of its territory. In addition to this, it inherited Seine-et-Oise's prefecture, Versailles.

Yvelines derives its name from the Forest of Yveline, next to Rambouillet.^[5]

It gained the communes of Châteaufort and Toussus-le-Noble from the adjacent department of Essonne in 1969.

The departmental capital, Versailles, which grew up around Louis XIV's château, was also the French capital for more than a century under the Ancien Régime and again between 1871 and 1879 during the early years of the Third Republic. Since then the château has continued to welcome the French Parliament when it is called upon to sit in a congressional sitting (with both houses sitting together) in order to enact constitutional changes or to listen to a formal declaration by the President.^[6]

Geography

Situation

Yvelines is bordered by the departments of Val-d'Oise on the north, Hauts-de-Seine on the east, Essonne on the southeast, Eure-et-Loir on the southwest and Eure on the west.

The eastern part of the department, as well as its northern part along the Seine, is part of the Paris metropolitan area, but the rest of the department is rural, much of it covered by the Forest of Rambouillet (also known as the Forest of Yveline, from which the name of the department is derived).

Two regional parks can be found in Yvelines: Haute Vallée de Chevreuse Regional Natural Park and part of Vexin Français Park. Yvelines is home to one of France's best known golf courses, La Tuilerie-Bignon, in the village of Saint-Nom-la-Bretèche.

Principal towns

Besides Versailles (the prefecture and most populous commune) and the subprefectures of Mantes-la-Jolie, Rambouillet, and Saint-Germain-en-Laye, important cities include Conflans-Sainte-Honorine, Poissy, Les Mureaux, Houilles, Plaisir, Sartrouville, Chatou, Le Chesnay, and the new agglomeration community of Saint-Quentin-en-Yvelines. As of 2019, there are 21 communes with more than 20,000 inhabitants. The 10 most populous communes are:^[4]

Commune	Population (2019)
Versailles	84,808
Sartrouville	52,774
Saint-Germain-en-Laye	44,806
Mantes-la-Jolie	43,921
Poissy	39,187
Conflans-Sainte-Honorine	35,536
Les Mureaux	33,203
Houilles	32,801
Trappes	32,645
Montigny-le-Bretonneux	32,282

Demographics

In French, a man from the Yvelines is called Yvelinois (plural Yvelinois); a woman is Yvelinoise (plural Yvelinoises).

Population development since 1876

Historical population

Year	Pop.	±% p.a.
1876	235,511	—
1881	236,471	+0.08%
1891	250,552	+0.58%
1901	270,228	+0.76%
1911	297,562	+0.97%
1921	321,237	+0.77%
1931	408,282	+2.43%
1936	428,166	+0.96%
1946	431,499	+0.08%
1954	519,976	+2.36%

Year	Pop.	±% p.a.
1962	687,827	+3.56%
1968	854,382	+3.68%
1975	1,082,255	+3.44%
1982	1,196,111	+1.44%
1990	1,307,150	+1.12%
1999	1,354,304	+0.39%
2006	1,395,804	+0.43%
2011	1,413,635	+0.25%
2016	1,431,808	+0.26%

Sources:^[7]^[8]

Place of birth of residents

Place of birth of residents of Yvelines in 1999
Born in metropolitan France	Born outside metropolitan France
85.5%	14.5%
	Born in overseas France	Born in foreign countries with French citizenship at birth¹	EU-15 immigrants²	Non-EU-15 immigrants
	1.1%	3.0%	4.2%	6.2%
¹ This group is made up largely of former French settlers, such as pieds-noirs in Northwest Africa, followed by former colonial citizens who had French citizenship at birth (such as was often the case for the native elite in French colonies), as well as to a lesser extent foreign-born children of French expatriates. A foreign country is understood as a country not part of France in 1999, so a person born for example in 1950 in Algeria, when Algeria was an integral part of France, is nonetheless listed as a person born in a foreign country in French statistics. ² An immigrant is a person born in a foreign country not having French citizenship at birth. An immigrant may have acquired French citizenship since moving to France, but is still considered an immigrant in French statistics. On the other hand, persons born in France with foreign citizenship (the children of immigrants) are not listed as immigrants.

Tourism

Palaces and châteaux

Palace of Versailles
Château de Breteuil
Château du Haut-Buc
Château de Dampierre
Château de Jouy-en-Josas
Château de Maisons
Château de Rambouillet
Château de Saint-Germain-en-Laye
Château of Thoiry
Château de Vaux-sur-Seine
Château de Mauvières
Château du Pont
Château de Villette
Château de Millemont

Museums

Museum of National Antiques (Saint-Germain-en-Laye)
Museum of River and Canal Craft (Conflans-Sainte-Honorine)
Horse-drawn Coach Museum (Versailles)
Toy Museum (Poissy)
Sheep Museum (Rambouillet)
Cloth Museum of Jouy (Jouy-en-Josas)
National Barn Museum of Port-Royal (Magny-les-Hameaux)
International Museum of Naive Art
Musée Lambinet (Versailles)
Musée de la Grenouillère (Croissy-sur-Seine)
Musée Fournaise (Chatou)

Artists' and writers' houses

Maurice Denis's house, the Musée départemental Maurice Denis (Saint-Germain-en-Laye)
André Derain's house (Chambourcy)
Alexandre Dumas père's Château de Monte-Cristo (Port-Marly)
Maurice Ravel's house/museum (Montfort-l'Amaury)
Jean-Claude Richard's family estate (Saint-Nom-la-Bretèche)
Elsa Triolet-Aragon's house (Saint-Arnoult-en-Yvelines)
Ivan Turgenev House (Bougival)
Émile Zola's house (Médan)

Parks and gardens

Chèvreloup Arboretum (Rocquencourt)
Marly Estate (Marly-le-Roi)
Vaux-sur-Seine Castle Garden (Vaux-sur-Seine)
The King's Vegetable Garden (Versailles)
Outdoor and entertainment base of Saint-Quentin-en-Yvelines (Trappes)

Palace and Gardens of Versailles
The Grand Trianon
The Hameau de la Reine
The Venus of Brassempouy from the collection of the Château de Saint-Germain-en-Laye
Lavoir of Jumeauville

Politics

In both local and national elections, the department generally supports centre-right political candidates. Michel Rocard, who served as Prime Minister of France from 1988 to 1991 under President François Mitterrand, was an MP for the department in the Socialist Party. The president of the Departmental Council is Pierre Bédier, first elected in 2014.

Presidential elections 2nd round

	Winning candidate	Party	%	2nd place candidate	Party	%
2022^[9]	Emmanuel Macron	LREM	71.05	Marine Le Pen	FN	28.95
2017^[10]	Emmanuel Macron	LREM	77.15	Marine Le Pen	FN	22.85
2012	Nicolas Sarkozy	UMP	54.30	François Hollande	PS	45.70
2007	Nicolas Sarkozy	UMP	58.71	Ségolène Royal	PS	41.29
2002^[10]	Jacques Chirac	RPR	85.59	Jean-Marie Le Pen	FN	14.41
1995^[11]	Jacques Chirac	RPR	60.64	Lionel Jospin	PS	39.36

Members of the National Assembly

In the 2024 legislative election, Yvelines elected the following representatives to the National Assembly:

	Member^[12]	Party
Yvelines's 1st constituency	Charles Rodwell	RE
Yvelines's 2nd constituency	Anne Bergantz	MoDem
Yvelines's 3rd constituency	Béatrice Piron	RE
Yvelines's 4th constituency	Marie Lebec	RE
Yvelines's 5th constituency	Yaël Braun-Pivet	RE
Yvelines's 6th constituency	Natalia Pouzyreff	RE
Yvelines's 7th constituency	Aurélien Rousseau	PP
Yvelines's 8th constituency	Benjamin Lucas	G.s.
Yvelines's 9th constituency	Dieynaba Diop	PS
Yvelines's 10th constituency	Aurore Bergé	RE
Yvelines's 11th constituency	William Martinet	LFI
Yvelines's 12th constituency	Karl Olive	RE

Senators

In the Senate, Yvelines is represented by:

Toine Bourrat (DVD), since 2020
Marta de Cidrac (LR), since 2017
Gérard Larcher (LR), since 2007 (President of the Senate since 2014)
Michel Laugier (UDI), since 2017
Martin Lévrier (REM), since 2017
Sophie Primas (LR), since 2011

References

^ "Répertoire national des élus: les conseillers départementaux". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 4 May 2022.
^ "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.
^ "Gross domestic product (GDP) at current market prices by NUTS 3 regions". ec.europa.eu.
^ ^a ^b Populations légales 2019: 78 Yvelines, INSEE
^ Busson (abbé G.) Ledru(abbé A.) Actus pontificum Cenomannis in urbe degentium (1902), p. 112.
^ "Communiqué de la présidence de la République" (in French). Archived from the original on 15 June 2009. Retrieved 17 October 2009.
^ "Historique des Yvelines". Le SPLAF.
^ "Évolution et structure de la population en 2016". INSEE.
^ "Les résultats du second tour de l'élection présidentielle". France 24. 19 April 2022.
^ ^a ^b l'Intérieur, Ministère de. "Présidentielles". interieur.gouv.fr.
^ "Résultats de l'élection présidentielle de 1995 par département - Politiquemania". www.politiquemania.com.
^ Nationale, Assemblée. "Assemblée nationale ~ Les députés, le vote de la loi, le Parlement français". Assemblée nationale.

External links

(in French) Prefecture of Yvelines
(in French) Departmental council of Yvelines
(in French) History of Famous People and Yvelines

[1] "Répertoire national des élus: les conseillers départementaux". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 4 May 2022.

[2] "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.

[3] "Gross domestic product (GDP) at current market prices by NUTS 3 regions". ec.europa.eu.

[pop2019-4] Populations légales 2019: 78 Yvelines, INSEE

[5] Busson (abbé G.) Ledru(abbé A.) Actus pontificum Cenomannis in urbe degentium (1902), p. 112.

[6] "Communiqué de la présidence de la République" (in French). Archived from the original on 15 June 2009. Retrieved 17 October 2009.

[7] "Historique des Yvelines". Le SPLAF.

[8] "Évolution et structure de la population en 2016". INSEE.

[9] "Les résultats du second tour de l'élection présidentielle". France 24. 19 April 2022.

[auto-10] 'Intérieur, Ministère de. "Présidentielles". interieur.gouv.fr.

[11] "Résultats de l'élection présidentielle de 1995 par département - Politiquemania". www.politiquemania.com.

[12] Nationale, Assemblée. "Assemblée nationale ~ Les députés, le vote de la loi, le Parlement français". Assemblée nationale.

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Overseas	971 Guadeloupe 972 Martinique (territorial collectivity) 973 French Guiana (territorial collectivity) 974 Réunion 976 Mayotte
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