Montesson: Antoine Lemaire's list won the town hall in 2026; Édouard Philippe would lead here in 2027
Montesson (Yvelines, INSEE 78418) has 10,738 registered voters. Its council has 33 seats; the 2026 municipal election went to a second round on 22 March. The next municipal elections are in 2032; the presidential election is on 18 April 2027.
- 10,738registered voters
- 59%turnout, 2026 round one
- 23.4%Édouard Philippe, 2027 round one here (France: 14.3%)
The municipal election, March 2026
Round two, 22 March · 6,693 voted, 6,627 valid votes
- MONTESSON AGISSONS ENSEMBLELed by Antoine Lemaire · Miscellaneous right 49.3% · 3,268 · 25 seats
- L'expérience en action pour MontessonLed by Nicole Bristol · Miscellaneous right 42.2% · 2,799 · 7 seats
- Montesson DemainLed by Sylvain Thialon · Miscellaneous left 8.5% · 560 · 1 seat
Round one, 15 March · 6,387 voted, 6,264 valid votes
- L'expérience en action pour MontessonMiscellaneous right 45.5% · 2,847
- MONTESSON AGISSONS ENSEMBLEMiscellaneous right 41.5% · 2,602
- Montesson DemainMiscellaneous left 13.0% · 815
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%.
The 2027 presidential election here, round one
Our national forecast for round one, carried down to Montesson from how it voted in 2022.
- Édouard PhilippeEnsemble (Macron camp) 23.4% · France 14.3%
- Marine Le PenNational Rally 22.3% · France 34.2%
- Bruno RetailleauRepublicans 15.1% · France 7.6%
- Raphaël GlucksmannSocialists 13.4% · France 13.4%
- Jean-Luc MélenchonFrance Unbowed 13.0% · France 16.8%
- Marine TondelierGreens 4.5% · France 2.9%
- Éric ZemmourReconquête 4.5% · France 3.8%
- Nicolas Dupont-AignanSovereigntists 1.9% · France 2.1%
- Fabien RousselCommunist Party 1.4% · France 2.0%
In 2022, round one here: Ensemble (Macron camp) 38.8% · France Unbowed 17.1% · National Rally 12.4% · Republicans 9.8% · Reconquête 7.9%. 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 Yvelines
- Carrières-sous-Poissy10,721 voters · Ecologist
- Le Pecq10,558 voters · Miscellaneous right
- Verneuil-sur-Seine10,988 voters · Miscellaneous centre
- Carrières-sur-Seine10,080 voters · Miscellaneous right
- Bois-d'Arcy10,078 voters · Miscellaneous right
- Les Clayes-sous-Bois11,532 voters · Miscellaneous right
- Limay9,996 voters · Miscellaneous left
- Marly-le-Roi11,935 voters · Miscellaneous centre