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Méry-sur-Oise: Ensemble, réussir Méry ! won the town hall in 2026; Marine Le Pen would lead here in 2027

Méry-sur-Oise (Val-d'Oise, INSEE 95394) has 6,669 registered voters. Its council has 29 seats; the 2026 municipal election was settled in the first round on 15 March. The next municipal elections are in 2032; the presidential election is on 18 April 2027.

The municipal election, March 2026

Round one, 15 March · 3,288 voted, 3,230 valid votes

  1. Ensemble, réussir Méry !Miscellaneous right 71.1% · 2,297 · 26 seats
  2. ENGAGE.E.S POUR MERYUnion of the left 16.2% · 522 · 2 seats
  3. FAISONS BATTRE LE COEUR DE MERYUnion of the left 12.7% · 411 · 1 seat

Official results, Ministère de l'Intérieur. Lists are labelled with the ministry's political "nuance"; lists in small communes carry none. The list that comes first takes half the seats as a bonus, and the rest are shared in proportion among lists over 5%.

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About Méry-sur-Oise

Méry-sur-Oise is a commune in Val-d'Oise with 6,669 registered voters, the 35th largest of the département's 183 communes. At the municipal election of March 2026 49.3% of them voted, close to the 50.1% across Val-d'Oise, and Ensemble, réussir Méry ! won 26 of the council's 29 seats in the first round.

In the first round of the 2022 presidential election the commune voted Ensemble (Macron camp) 28%, France Unbowed 25.1%, National Rally 21.8%. France Unbowed did 3 points better here than across France.

Moved to today's national polls, our projection for the 2027 first round here has Marine Le Pen ahead on 34.3%, with Jean-Luc Mélenchon on 19.2%.

The 2027 presidential election here, round one

Our national forecast for round one, carried down to Méry-sur-Oise from how it voted in 2022.

  1. Marine Le PenNational Rally 34.3% · France 34.2%
  2. Jean-Luc MélenchonFrance Unbowed 19.2% · France 16.8%
  3. Édouard PhilippeEnsemble (Macron camp) 14.8% · France 14.3%
  4. Raphaël GlucksmannSocialists 12.3% · France 13.4%
  5. Bruno RetailleauRepublicans 7.5% · France 7.6%
  6. Éric ZemmourReconquête 3.9% · France 3.8%
  7. Marine TondelierGreens 3.2% · France 2.9%
  8. Nicolas Dupont-AignanSovereigntists 2.5% · France 2.1%
  9. Fabien RousselCommunist Party 1.9% · France 2.0%
  10. Nathalie ArthaudFar left 0.6% · France 0.6%

In 2022, round one here: Ensemble (Macron camp) 28.0% · France Unbowed 25.1% · National Rally 21.8% · Reconquête 7.2% · Greens 4.9%. Each political family moves by its national change since 2022 (half uniform, half proportional), scaled so that every commune adds up to our national forecast. The national forecast →

Communes of a similar size in Val-d'Oise

Every commune in Val-d'Oise → · All of France →