Photo: Moonik · CC BY-SA 3.0In Le Vésinet, the council took a second round
Thibaut Gripoix has been mayor of Le Vésinet since March 30, 2026, elected by the 33 members of the municipal council. At the March 2026 municipal elections, LA RÉLÈVE DU VÉSINET won 24 of the 33 seats in the second round on March 22, 2026, with 42.4% of the votes. Le Vésinet is part of the Communauté d'agglomération Saint Germain Boucles de Seine.
March 2032
Councils are elected for six years; the council elects the mayor.
Register to vote ↗Throughout this page, the median in Yvelines and the France median are the median of compared communes (those with an overall grade), each figure its own median.
What stands out about Le Vésinet’s town hall
Decided in a second round
No list won half the votes in the first round, when 5 lists stood. In the second round on March 22, 2026, LA RÉLÈVE DU VÉSINET came first with 42.4% and took 24 of the 33 seats; the other lists share the remaining 9. Who’s in charge ↓
More debt per resident than most
Le Vésinet owed €17.1M at the end of 2025, €1,060 per resident: higher than in 72% of compared French communes (France median €748). That equals 68% of a year’s running costs. The commune’s money ↓
Results as the Interior ministry published them; accounts from the DGFiP via OFGL. Nothing here is graded.
The council the voters chose
Seats as the March 2026 results gave them, one dot a seat.
- LA RÉLÈVE DU VÉSINET243 community seats
- Le Vésinet au Coeur71 community seat
- LE VÉSINET POUR TOUS liste citoyenne d'union de la gauche et des écologistes10 community seats
- Poursuivre avec vous pour le Vésinet10 community seats
As elected in the second round, March 22, 2026.
The list that comes first gets half the seats; the rest are shared in proportion among the lists with 5% or more, the winner included. So the winning list always has a majority. The same vote gave Le Vésinet 4 seats on the council of the Communauté d'agglomération Saint Germain Boucles de Seine (community seats).
Source: Interior ministry, 2026 municipal election results (March 15 and 22), subject to corrections and appeals.
4 authorities share the work
The commune is the tier closest to residents; the intercommunality, the département and the région do the rest.
Births, marriages and deaths, the electoral roll, nursery and primary schools, local roads, planning permission, the municipal police, and what else the council takes on.
Mayor: Thibaut Gripoix · 33 councilors
The services its communes share: usually waste collection, economic development and planning documents; often water and local buses.
Social aid (RSA, care for older and disabled people, child protection), collèges, the département’s roads, and funding for fire and rescue.
Lycées, regional trains (TER) and coaches, economic development and job training.
Who to ask
The usual split of powers (service-public.fr); an intercommunality’s exact remit varies, so check its website for waste, water and buses.
Membership: COG 2026 (INSEE); intercommunality type: BANATIC, January 2025. What each tier does: service-public.fr.
From the mayor to the intercommunality
The officials as the Interior ministry’s register lists them, and the council by list.
- 1Mayorsince March 30, 2026Thibaut Gripoix
- 2Deputy mayors9 adjoints, elected by the councilClaude Molly-MittonBénédicte StempfléJean-Michel ValantinCatherine BertinDidier FaucherAstrid DoutrebenteJean-Baptiste JonemannFlorence Esclangon+1 more
- 3Le Vésinet municipal council33 seats by listLA RÉLÈVE DU VÉSINET 24 · Le Vésinet au Coeur 7 · LE VÉSINET POUR TOUS liste citoyenne d'union de la gauche et des écologistes 1 · Poursuivre avec vous pour le Vésinet 1
- 4Communauté d'agglomération Saint Germain Boucles de SeineLe Vésinet holds 4 seatsCommunity councilors are drawn from the council lists in the same vote.
Source: Interior ministry, national register of elected officials (RNE), August 11, 2026.
The 33 members of the Le Vésinet municipal council
The mayor and 9 deputy mayors first, then the councilors.
| Name | Office | Since |
|---|---|---|
| Thibaut Gripoix | Maire | March 30, 2026 |
| Claude Molly-Mitton | 1er adjoint au Maire | March 30, 2026 |
| Bénédicte Stempflé | 2ème adjoint au Maire | March 30, 2026 |
| Jean-Michel Valantin | 3ème adjoint au Maire | March 30, 2026 |
| Catherine Bertin | 4ème adjoint au Maire | March 30, 2026 |
| Didier Faucher | 5ème adjoint au Maire | March 30, 2026 |
| Astrid Doutrebente | 6ème adjoint au Maire | March 30, 2026 |
| Jean-Baptiste Jonemann | 7ème adjoint au Maire | March 30, 2026 |
| Florence Esclangon | 8ème adjoint au Maire | March 30, 2026 |
| Alexis Triclin | 9ème adjoint au Maire | March 30, 2026 |
Show the full council (33)
| Name | Office | Since |
|---|---|---|
| Thibaut Gripoix | Maire | March 30, 2026 |
| Claude Molly-Mitton | 1er adjoint au Maire | March 30, 2026 |
| Bénédicte Stempflé | 2ème adjoint au Maire | March 30, 2026 |
| Jean-Michel Valantin | 3ème adjoint au Maire | March 30, 2026 |
| Catherine Bertin | 4ème adjoint au Maire | March 30, 2026 |
| Didier Faucher | 5ème adjoint au Maire | March 30, 2026 |
| Astrid Doutrebente | 6ème adjoint au Maire | March 30, 2026 |
| Jean-Baptiste Jonemann | 7ème adjoint au Maire | March 30, 2026 |
| Florence Esclangon | 8ème adjoint au Maire | March 30, 2026 |
| Alexis Triclin | 9ème adjoint au Maire | March 30, 2026 |
| Arnaud Bouffard | Conseiller municipal | March 22, 2026 |
| Marilyne Boulaie | Conseiller municipal | March 22, 2026 |
| Simon Brugidou | Conseiller municipal | March 22, 2026 |
| Bertrand Burg | Conseiller municipal | March 22, 2026 |
| Stéphanie Cabossioras | Conseiller municipal | March 22, 2026 |
| Gabrielle Carré | Conseiller municipal | March 22, 2026 |
| Pascal Chassaing | Conseiller municipal | March 22, 2026 |
| Béatrice Crout de Beaufort | Conseiller municipal | March 22, 2026 |
| Marie-Aude de La Taille | Conseiller municipal | March 22, 2026 |
| Aline de Mengin Fondragon | Conseiller municipal | March 22, 2026 |
| Caroline de Virieu | Conseiller municipal | March 22, 2026 |
| Matis Dené | Conseiller municipal | March 22, 2026 |
| Mélina Etorre | Conseiller municipal | March 22, 2026 |
| Marie-Aude Gattaz | Conseiller municipal | March 22, 2026 |
| Nathalie Glais | Conseiller municipal | March 22, 2026 |
| François Glück | Conseiller municipal | March 22, 2026 |
| Jean-Paul Goetschy | Conseiller municipal | March 22, 2026 |
| Didier Guérémy | Conseiller municipal | March 22, 2026 |
| Alban Hachard | Conseiller municipal | March 22, 2026 |
| Pierre Jourdan | Conseiller municipal | March 22, 2026 |
| Anna Labranque | Conseiller municipal | March 22, 2026 |
| Charlotte Maliko | Conseiller municipal | March 22, 2026 |
| Valentin Sonrel | Conseiller municipal | March 22, 2026 |
Names and offices as the Interior ministry’s national register of elected officials (RNE) published them on August 11, 2026, written as it writes them. Public role only. Later resignations and replacements aren’t shown.
The council: same source as Who represents Le Vésinet, above.
How Le Vésinet voted in March 2026
5 lists stood in the first round; none won half the votes, so a second round followed.
7,529 votes cast for a list
7,588 of 12,646 registered voters in Le Vésinet voted.
30 blank and 29 spoilt ballots, not counted in the shares.
7,353 votes cast for a list · no seats given out: a second round followed
7,441 of 12,644 registered voters in Le Vésinet voted.
65 blank and 23 spoilt ballots, not counted in the shares.
Turnout, first round · March 15, 2026
Shares are of the votes cast for a list, leaving out blank and spoilt ballots. Lists in vote order; the colors only tell the lists apart.
2026 elections: same source as Who’s in charge, above.
Le Vésinet spends €1,867 per resident a year
The commune’s consolidated accounts: main and annexed budgets, transfers between them removed.
Per resident, 2025 · against compared communes
Spending and debt per resident, 2018 to 2025
Le Vésinet owed €17.1M at the end of 2025, €1,060 per resident, higher than in 72% of compared French communes, equal to 68% of a year’s running costs.
Show year by year
| Year | Spending | Investment | Debt | Debt in all |
|---|---|---|---|---|
| 2025 | €1,867 | €301 | €1,060 | €17.1M |
| 2024 | €2,299 | €708 | €933 | €15M |
| 2023 | €2,202 | €701 | €679 | €10.9M |
| 2022 | €1,851 | €498 | €625 | €10.3M |
| 2021 | €1,674 | €273 | €573 | €9.4M |
| 2020 | €1,656 | €228 | €635 | €10.5M |
| 2019 | €1,805 | €536 | €689 | €11.5M |
| 2018 | €1,827 | €574 | €758 | €12.5M |
Source: OFGL, consolidated commune accounts 2018–2025 (DGFiP); 2025 provisional.
The 12th highest debt per resident of 41 communes its size
The 40 compared communes nearest in population, debt per resident at the end of 2025.
Lowest: Castanet-Tolosan, €245. Highest: Roquebrune-sur-Argens, €1,853.
Have a say in Le Vésinet
French citizens register online or at the town hall; citizens of other EU countries can vote in municipal elections too.
service-public.fr ↗See where you’re registered and which polling station is yours.
service-public.fr ↗Council meetings are public; the agenda and minutes are posted at the town hall and usually on its website.
service-public.fr ↗Opening hours, address and phone number of the mairie of Le Vésinet in the public services directory.
lannuaire.service-public.fr ↗Who can stand, how lists are formed and the deadlines, from the Interior ministry.
interieur.gouv.fr ↗What this data can and can’t tell you
- Mayors and councilors. From the Interior ministry’s national register of elected officials (RNE) as published on August 11, 2026: name, office and start dates, nothing else. The register counts a mayor as a councilor too; the page counts each person once. It isn’t a live roll: resignations and replacements after that date aren’t shown, and no party is inferred for any official.
- How the council is elected. Since March 2026 every commune elects its council from lists (a 2025 law extended list voting to communes under 1,000). A list with more than half the votes in the first round wins; otherwise lists with 10% or more can go on to a second round, where the list ahead wins. It gets half the seats, and the rest are shared in proportion among lists with 5% or more. The council then elects the mayor and the deputy mayors.
- The label beside a list. The political nuance the prefecture gave the list for the ministry’s results (Divers droite, Union de la gauche…), shown as published. It isn’t the list’s own description; many lists, most in small communes, have none.
- The commune’s money. OFGL’s consolidated accounts from the DGFiP, 2018 to 2025; 2025 is provisional. Spending and investment leave out loan repayments; running costs are part of spending. Debt is what was owed at the end of the year.
- Per resident. Divided by the DGFiP’s population for that year (population totale, which counts some people, such as boarding students, in two communes), so it can differ from the census figure elsewhere on the site.
- The medians. Beside the town’s figure, the median of compared communes in its département and in France (those with an overall grade). A commune’s spending follows its size and its role: one that runs a pool or a theater for the villages around it spends more per resident.
Questions about Le Vésinet’s town hall
Who is the mayor of Le Vésinet?
Thibaut Gripoix, mayor since March 30, 2026, according to the Interior ministry’s register of elected officials (August 11, 2026).
How many councilors does Le Vésinet have?
The Le Vésinet municipal council has 33 members, the mayor and 9 deputy mayors included.
Who won the 2026 municipal elections in Le Vésinet?
LA RÉLÈVE DU VÉSINET, in the second round on March 22, 2026, with 42.4% of the votes; it holds 24 of the 33 seats.
What was the turnout in Le Vésinet?
58.9% of registered voters voted in the first round on March 15, 2026; the median of compared French communes was 57.4%.
When are the next municipal elections in Le Vésinet?
Councils are elected for six years, so the next general municipal elections are due in March 2032. A council can be re-elected sooner if it loses too many members.
How much debt does Le Vésinet have?
€17.1M at the end of 2025, €1,060 per resident; the median of compared French communes was €748.
Which intercommunality is Le Vésinet part of?
Le Vésinet is part of the Communauté d'agglomération Saint Germain Boucles de Seine, which runs the services its communes share.
Sources: Interior ministry RNE, August 11, 2026 · Interior ministry, municipal results 2026 · OFGL consolidated commune accounts 2018–2025 · INSEE COG 2026 and BANATIC (January 2025) for the intercommunality. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.