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Neauphle-le-Château MairiePhoto: ℍenry Salomé · CC BY-SA 3.0
Neauphle-le-Château town hall

Neauphle-le-Château carries less debt per resident than 80% of compared communes

Sandrine Kesler has been mayor of Neauphle-le-Château since March 27, 2026, elected by the 23 members of the municipal council. At the March 2026 municipal elections, OUI A NEAUPHLE won 17 of the 23 seats in the second round on March 22, 2026, with 43.4% of the votes. Neauphle-le-Château is part of the Communauté de communes Cœur d'Yvelines.

Next municipal elections

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.

Mayor
Sandrine Kesler
since March 27, 2026
Council members
23
including 6 deputy mayors
Turnout, March 2026
63%
first round · France median 57%
Debt per resident
€387
end of 2025 · France median €748
In brief

What stands out about Neauphle-le-Château’s town hall

Decided in a second round

No list won half the votes in the first round, when 3 lists stood. In the second round on March 22, 2026, OUI A NEAUPHLE came first with 43.4% and took 17 of the 23 seats; the other lists share the remaining 6. Who’s in charge ↓

Turnout above most communes

62.8% of registered voters in Neauphle-le-Château voted on March 15, 2026: higher than in 76% of compared French communes. The median of compared communes in Yvelines was 56.2%; across France, 57.4%. 2026 elections ↓

Less debt per resident than most

Neauphle-le-Château owed €1.3M at the end of 2025, €387 per resident: lower than in 80% of compared French communes (France median €748). That equals 48% 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.

Who’s in charge

The council the voters chose

Seats as the March 2026 results gave them, one dot a seat.

Municipal council · 23 seatsNeauphle-le-Château municipal councilOUI A NEAUPHLE: 17 of 23
OUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEOUI A NEAUPHLEAGIR ENSEMBLE POUR NEAUPHLEAGIR ENSEMBLE POUR NEAUPHLEAGIR ENSEMBLE POUR NEAUPHLEAGIR ENSEMBLE POUR NEAUPHLELa voix des NeauphléensLa voix des Neauphléens23seats
  • OUI A NEAUPHLE172 community seats
  • AGIR ENSEMBLE POUR NEAUPHLE41 community seat
  • La voix des Neauphléens20 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 Neauphle-le-Château 3 seats on the council of the Communauté de communes Cœur d'Yvelines (community seats).

Source: Interior ministry, 2026 municipal election results (March 15 and 22), subject to corrections and appeals.

Who runs Neauphle-le-Château

4 authorities share the work

The commune is the tier closest to residents; the intercommunality, the département and the région do the rest.

Commune · the town hallMairie de Neauphle-le-Château

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: Sandrine Kesler · 23 councilors

Intercommunality · communauté de communesCommunauté de communes Cœur d'Yvelines

The services its communes share: usually waste collection, economic development and planning documents; often water and local buses.

DépartementConseil départemental · Yvelines

Social aid (RSA, care for older and disabled people, child protection), collèges, the département’s roads, and funding for fire and rescue.

RégionConseil régional · Île-de-France

Lycées, regional trains (TER) and coaches, economic development and job training.

Who to ask

Birth, marriage and death certificatesMairie de Neauphle-le-Château
Registering to voteMairie de Neauphle-le-Château
Nursery and primary schoolsMairie de Neauphle-le-Château
Building permits (filed at the town hall)Mairie de Neauphle-le-Château
Household waste (usually)Communauté de communes Cœur d'Yvelines
Collèges (ages 11 to 15)Conseil départemental · Yvelines
RSA, care for older people, child protectionConseil départemental · Yvelines
Lycées (ages 15 to 18)Conseil régional · Île-de-France
Regional trains (TER)Conseil régional · Île-de-France
ID cards and passportsAny town hall that takes applications, by appointment

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.

Who represents Neauphle-le-Château

From the mayor to the intercommunality

The officials as the Interior ministry’s register lists them, and the council by list.

  1. 1
    Mayorsince March 27, 2026
    Sandrine Kesler
  2. 2
    Deputy mayors6 adjoints, elected by the council
    Daniela CalvarVincent CutteChantal Le Nepvou de CarfortMarc LeroyAlix DauguetStephane Cissé
  3. 3
    Neauphle-le-Château municipal council23 seats by list
    OUI A NEAUPHLE 17 · AGIR ENSEMBLE POUR NEAUPHLE 4 · La voix des Neauphléens 2
  4. 4
    Communauté de communes Cœur d'YvelinesNeauphle-le-Château holds 3 seats
    Community councilors are drawn from the council lists in the same vote.

Source: Interior ministry, national register of elected officials (RNE), August 11, 2026.

The council

The 23 members of the Neauphle-le-Château municipal council

The mayor and 6 deputy mayors first, then the councilors.

NameOfficeSince
Sandrine KeslerMaireMarch 27, 2026
Daniela Calvar1er adjoint au MaireMarch 27, 2026
Vincent Cutte2ème adjoint au MaireMarch 27, 2026
Chantal Le Nepvou de Carfort3ème adjoint au MaireMarch 27, 2026
Marc Leroy4ème adjoint au MaireMarch 27, 2026
Alix Dauguet5ème adjoint au MaireMarch 27, 2026
Stephane Cissé6ème adjoint au MaireMarch 27, 2026
Show the full council (23)
NameOfficeSince
Sandrine KeslerMaireMarch 27, 2026
Daniela Calvar1er adjoint au MaireMarch 27, 2026
Vincent Cutte2ème adjoint au MaireMarch 27, 2026
Chantal Le Nepvou de Carfort3ème adjoint au MaireMarch 27, 2026
Marc Leroy4ème adjoint au MaireMarch 27, 2026
Alix Dauguet5ème adjoint au MaireMarch 27, 2026
Stephane Cissé6ème adjoint au MaireMarch 27, 2026
Sara CecconiConseiller municipalMarch 22, 2026
Stephen CharlieuConseiller municipalMarch 22, 2026
Emmanuelle CoeuretConseiller municipalMarch 22, 2026
Brigite Da CunhaConseiller municipalMarch 22, 2026
Ioan GherghelConseiller municipalMarch 22, 2026
Raphael HaasConseiller municipalMarch 22, 2026
Claire HeintzConseiller municipalMarch 22, 2026
Georges IchkanianConseiller municipalMarch 22, 2026
Magali MartinConseiller municipalMarch 22, 2026
Nicolas MaubertConseiller municipalMarch 22, 2026
Nohemi MedinaConseiller municipalMarch 22, 2026
Colette NoëlConseiller municipalMarch 22, 2026
Benoit PouyetConseiller municipalMarch 22, 2026
Stephane RobinsonConseiller municipalMarch 22, 2026
Elisabeth SandjivyConseiller municipalMarch 22, 2026
Laurent Treboz GenestierConseiller municipalMarch 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 Neauphle-le-Château, above.

2026 elections

How Neauphle-le-Château voted in March 2026

3 lists stood in the first round; none won half the votes, so a second round followed.

Municipal council of Neauphle-le-Châteausecond round · March 22, 2026
OUI A NEAUPHLEled by Sandrine Kesler · 17 seats43.4%
AGIR ENSEMBLE POUR NEAUPHLEled by Elisabeth Sandjivy · 4 seats38.5%
La voix des Neauphléensled by Georges Ichkanian · 2 seats18.2%

1,519 votes cast for a list

Turnout · second round
63%

1,539 of 2,430 registered voters in Neauphle-le-Château voted.

6 blank and 14 spoilt ballots, not counted in the shares.

Municipal council of Neauphle-le-Châteaufirst round · March 15, 2026
OUI A NEAUPHLE37.9%
AGIR ENSEMBLE POUR NEAUPHLE35.2%
La voix des Neauphléens26.9%

1,502 votes cast for a list · no seats given out: a second round followed

Turnout · first round
63%

1,527 of 2,432 registered voters in Neauphle-le-Château voted.

12 blank and 13 spoilt ballots, not counted in the shares.

Turnout, first round · March 15, 2026

Neauphle-le-ChâteauMedian in YvelinesFrance median
Voted62.8%
0%50%100%

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.

The commune’s money

Neauphle-le-Château spends €1,331 per resident a year

The commune’s consolidated accounts: main and annexed budgets, transfers between them removed.

Spending
€1,331
per resident, 2025
€4.4M in all
Running costs
€800
per resident, 2025
€2.7M in all
Investment
€531
per resident, 2025
€1.8M in all
Debt
€387
per resident, end of 2025
€1.3M in all

Per resident, 2025 · against compared communes

Neauphle-le-ChâteauMedian in YvelinesFrance median
Spending€1,331
Running costs€800
Investment€531
Debt€387
€0€1,000€2,000

Spending and debt per resident, 2018 to 2025

€0€500€1,000€1,500€2,00020182019202020212022202320242025Spending 2018 : €993Spending 2019 : €1,011Spending 2020 : €871Spending 2021 : €841Spending 2022 : €1,474Spending 2023 : €1,022Spending 2024 : €1,282Spending 2025 : €1,331Debt 2018 : €365Debt 2019 : €317Debt 2020 : €275Debt 2021 : €242Debt 2022 : €426Debt 2023 : €423Debt 2024 : €406Debt 2025 : €387DebtSpending

Neauphle-le-Château owed €1.3M at the end of 2025, €387 per resident, lower than in 80% of compared French communes, equal to 48% of a year’s running costs.

Show year by year
YearSpendingInvestmentDebtDebt in all
2025€1,331€531€387€1.3M
2024€1,282€441€406€1.4M
2023€1,022€223€423€1.5M
2022€1,474€756€426€1.5M
2021€841€120€242€834K
2020€871€195€275€943K
2019€1,011€298€317€1.1M
2018€993€289€365€1.2M

Source: OFGL, consolidated commune accounts 2018–2025 (DGFiP); 2025 provisional.

Towns its size

The 11th lowest debt per resident of 41 communes its size

The 40 compared communes nearest in population, debt per resident at the end of 2025.

Neauphle-le-Château €387
AnouldCarantec
€0€1,100€2,200

Lowest: Anould, €73. Highest: Carantec, €2,016.

Get involved

Have a say in Neauphle-le-Château

Register to vote

French citizens register online or at the town hall; citizens of other EU countries can vote in municipal elections too.

service-public.fr ↗
Check your registration

See where you’re registered and which polling station is yours.

service-public.fr ↗
Go to a council meeting

Council meetings are public; the agenda and minutes are posted at the town hall and usually on its website.

service-public.fr ↗
Contact the town hall

Opening hours, address and phone number of the mairie of Neauphle-le-Château in the public services directory.

lannuaire.service-public.fr ↗
Stand for the council

Who can stand, how lists are formed and the deadlines, from the Interior ministry.

interieur.gouv.fr ↗
How to read these numbers

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 Neauphle-le-Château’s town hall

Who is the mayor of Neauphle-le-Château?

Sandrine Kesler, mayor since March 27, 2026, according to the Interior ministry’s register of elected officials (August 11, 2026).

How many councilors does Neauphle-le-Château have?

The Neauphle-le-Château municipal council has 23 members, the mayor and 6 deputy mayors included.

Who won the 2026 municipal elections in Neauphle-le-Château?

OUI A NEAUPHLE, in the second round on March 22, 2026, with 43.4% of the votes; it holds 17 of the 23 seats.

What was the turnout in Neauphle-le-Château?

62.8% 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 Neauphle-le-Château?

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 Neauphle-le-Château have?

€1.3M at the end of 2025, €387 per resident; the median of compared French communes was €748.

Which intercommunality is Neauphle-le-Château part of?

Neauphle-le-Château is part of the Communauté de communes Cœur d'Yvelines, 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.