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Ormesson-sur-Marne town hall

Ormesson-sur-Marne elected its council in the first round

Marie-Christine Ségui has been mayor of Ormesson-sur-Marne since March 22, 2026, elected by the 33 members of the municipal council. At the March 2026 municipal elections, ORMESSON, NATURELLEMENT won 28 of the 33 seats in the first round on March 15, 2026, with 64.9% of the votes. Ormesson-sur-Marne is part of the Métropole du Grand Paris.

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 Val-de-Marne and the France median are the median of compared communes (those with an overall grade), each figure its own median.

Mayor
Marie-Christine Ségui
since March 22, 2026
Council members
33
including 9 deputy mayors
Turnout, March 2026
51%
first round · France median 57%
Debt per resident
€1,083
end of 2025 · France median €748
In brief

What stands out about Ormesson-sur-Marne’s town hall

Won in the first round

ORMESSON, NATURELLEMENT won 64.9% of the votes on March 15, 2026, more than half, so there was no second round; 2 lists stood. It took 28 of the 33 seats: half the seats as the list ahead, and its share of the rest. The other lists share the remaining 5. Who’s in charge ↓

Turnout below most communes

51.1% of registered voters in Ormesson-sur-Marne voted on March 15, 2026: lower than in 74% of compared French communes. The median of compared communes in Val-de-Marne was 50.9%; across France, 57.4%. 2026 elections ↓

More debt per resident than most

Ormesson-sur-Marne owed €11.6M at the end of 2025, €1,083 per resident: higher than in 73% of compared French communes (France median €748). That equals 93% 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 · 33 seatsOrmesson-sur-Marne municipal councilORMESSON, NATURELLEMENT: 28 of 33
ORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTORMESSON, NATURELLEMENTAVEC VOUS POUR ORMESSONAVEC VOUS POUR ORMESSONAVEC VOUS POUR ORMESSONAVEC VOUS POUR ORMESSONAVEC VOUS POUR ORMESSON33seats
  • ORMESSON, NATURELLEMENT281 community seat
  • AVEC VOUS POUR ORMESSON50 community seats

As elected in the first round, March 15, 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 Ormesson-sur-Marne 1 seat on the council of the Métropole du Grand Paris (community seats).

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

Who runs Ormesson-sur-Marne

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 Ormesson-sur-Marne

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: Marie-Christine Ségui · 33 councilors

Intercommunality · métropoleMétropole du Grand Paris

Housing and planning strategy for Greater Paris, economic development, flood prevention and the low-emission zone. Waste and water sit with the territorial bodies (EPT) and the City of Paris.

DépartementConseil départemental · Val-de-Marne

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 Ormesson-sur-Marne
Registering to voteMairie de Ormesson-sur-Marne
Nursery and primary schoolsMairie de Ormesson-sur-Marne
Building permits (filed at the town hall)Mairie de Ormesson-sur-Marne
Household waste (usually)The territorial public body (EPT)
Collèges (ages 11 to 15)Conseil départemental · Val-de-Marne
RSA, care for older people, child protectionConseil départemental · Val-de-Marne
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 Ormesson-sur-Marne

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 22, 2026
    Marie-Christine Ségui
  2. 2
    Deputy mayors9 adjoints, elected by the council
    Henri CaplainOdile HugnetPierre DusselValérie DrayStéphane TournantTelma Le FlanchecGuy MartinMagali Dufeu+1 more
  3. 3
    Ormesson-sur-Marne municipal council33 seats by list
    ORMESSON, NATURELLEMENT 28 · AVEC VOUS POUR ORMESSON 5
  4. 4
    Métropole du Grand ParisOrmesson-sur-Marne holds 1 seat
    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 33 members of the Ormesson-sur-Marne municipal council

The mayor and 9 deputy mayors first, then the councilors.

NameOfficeSince
Marie-Christine SéguiMaireMarch 22, 2026
Henri Caplain1er adjoint au MaireMarch 22, 2026
Odile Hugnet2ème adjoint au MaireMarch 22, 2026
Pierre Dussel3ème adjoint au MaireMarch 22, 2026
Valérie Dray4ème adjoint au MaireMarch 22, 2026
Stéphane Tournant5ème adjoint au MaireMarch 22, 2026
Telma Le Flanchec6ème adjoint au MaireMarch 22, 2026
Guy Martin7ème adjoint au MaireMarch 22, 2026
Magali Dufeu8ème adjoint au MaireMarch 22, 2026
José Sarmento Lameirao9ème adjoint au MaireMarch 22, 2026
Show the full council (33)
NameOfficeSince
Marie-Christine SéguiMaireMarch 22, 2026
Henri Caplain1er adjoint au MaireMarch 22, 2026
Odile Hugnet2ème adjoint au MaireMarch 22, 2026
Pierre Dussel3ème adjoint au MaireMarch 22, 2026
Valérie Dray4ème adjoint au MaireMarch 22, 2026
Stéphane Tournant5ème adjoint au MaireMarch 22, 2026
Telma Le Flanchec6ème adjoint au MaireMarch 22, 2026
Guy Martin7ème adjoint au MaireMarch 22, 2026
Magali Dufeu8ème adjoint au MaireMarch 22, 2026
José Sarmento Lameirao9ème adjoint au MaireMarch 22, 2026
Stéphane BoucherConseiller municipalMarch 15, 2026
Alexis CarréConseiller municipalMarch 15, 2026
Jean-Edgar CaselConseiller municipalMarch 15, 2026
Damien ChatonierConseiller municipalMarch 15, 2026
Philippe CortezConseiller municipalMarch 15, 2026
Céline de AlmeidaConseiller municipalMarch 15, 2026
David de BarrosConseiller municipalMarch 15, 2026
Carine de OliveiraConseiller municipalMarch 15, 2026
Nathalie DesrumeauxConseiller municipalMarch 15, 2026
Isabelle Dos SantosConseiller municipalMarch 15, 2026
Fabienne DuretConseiller municipalMarch 15, 2026
Paula Christina FerreiraConseiller municipalMarch 15, 2026
Isabelle GasparConseiller municipalMarch 15, 2026
Aurore KhalfounConseiller municipalMarch 15, 2026
Bruno LautéConseiller municipalMarch 15, 2026
Sylvain LehaireConseiller municipalMarch 15, 2026
Christophe LiniConseiller municipalMarch 15, 2026
Séverine MoucoConseiller municipalMarch 15, 2026
Alexandre PereiraConseiller municipalMarch 15, 2026
Fabrice PereiraConseiller municipalMarch 15, 2026
Corinne PoignantConseiller municipalMarch 15, 2026
Guillaume RiffonneauConseiller municipalMarch 15, 2026
Cécile WagnerConseiller municipalMarch 15, 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 Ormesson-sur-Marne, above.

2026 elections

How Ormesson-sur-Marne voted in March 2026

2 lists stood; one won more than half the votes in the first round.

Municipal council of Ormesson-sur-Marnefirst round · March 15, 2026
ORMESSON, NATURELLEMENTministry label: Union of the center · 28 seats64.9%
AVEC VOUS POUR ORMESSONministry label: Miscellaneous right · 5 seats35.1%

3,704 votes cast for a list

Turnout · first round
51%

3,857 of 7,542 registered voters in Ormesson-sur-Marne voted.

93 blank and 60 spoilt ballots, not counted in the shares.

Turnout, first round · March 15, 2026

Ormesson-sur-MarneMedian in Val-de-MarneFrance median
Voted51.1%
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

Ormesson-sur-Marne spends €1,660 per resident a year

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

Spending
€1,660
per resident, 2025
€17.7M in all
Running costs
€1,169
per resident, 2025
€12.5M in all
Investment
€491
per resident, 2025
€5.2M in all
Debt
€1,083
per resident, end of 2025
€11.6M in all

Per resident, 2025 · against compared communes

Ormesson-sur-MarneMedian in Val-de-MarneFrance median
Spending€1,660
Running costs€1,169
Investment€491
Debt€1,083
€0€1,500€3,000

Spending and debt per resident, 2018 to 2025

€0€500€1,000€1,500€2,00020182019202020212022202320242025Spending 2018 : €1,396Spending 2019 : €1,312Spending 2020 : €1,215Spending 2021 : €1,282Spending 2022 : €1,588Spending 2023 : €1,613Spending 2024 : €1,558Spending 2025 : €1,660Debt 2018 : €1,152Debt 2019 : €1,305Debt 2020 : €1,211Debt 2021 : €1,110Debt 2022 : €1,015Debt 2023 : €1,105Debt 2024 : €1,002Debt 2025 : €1,083DebtSpending

Ormesson-sur-Marne owed €11.6M at the end of 2025, €1,083 per resident, higher than in 73% of compared French communes, equal to 93% of a year’s running costs.

Show year by year
YearSpendingInvestmentDebtDebt in all
2025€1,660€491€1,083€11.6M
2024€1,558€386€1,002€10.6M
2023€1,613€474€1,105€11.7M
2022€1,588€509€1,015€10.7M
2021€1,282€285€1,110€11.6M
2020€1,215€227€1,211€12.6M
2019€1,312€286€1,305€13.6M
2018€1,396€379€1,152€11.8M

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

Towns its size

The 13th highest debt per resident of 41 communes its size

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

Ormesson-sur-Marne €1,083
TinqueuxArcachon
€0€2,000€4,000

Lowest: Tinqueux, €0. Highest: Arcachon, €3,805.

Get involved

Have a say in Ormesson-sur-Marne

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 Ormesson-sur-Marne 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 Ormesson-sur-Marne’s town hall

Who is the mayor of Ormesson-sur-Marne?

Marie-Christine Ségui, mayor since March 22, 2026, according to the Interior ministry’s register of elected officials (August 11, 2026).

How many councilors does Ormesson-sur-Marne have?

The Ormesson-sur-Marne municipal council has 33 members, the mayor and 9 deputy mayors included.

Who won the 2026 municipal elections in Ormesson-sur-Marne?

ORMESSON, NATURELLEMENT, in the first round on March 15, 2026, with 64.9% of the votes; it holds 28 of the 33 seats.

What was the turnout in Ormesson-sur-Marne?

51.1% 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 Ormesson-sur-Marne?

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 Ormesson-sur-Marne have?

€11.6M at the end of 2025, €1,083 per resident; the median of compared French communes was €748.

Which intercommunality is Ormesson-sur-Marne part of?

Ormesson-sur-Marne is part of the Métropole du Grand Paris, 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.