Trappes: Fier.e.s d'être Trappistes ! won the town hall in 2026; Jean-Luc Mélenchon would lead here in 2027
Trappes (Yvelines, INSEE 78621) has 15,451 registered voters. Its council has 39 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.
- 15,451registered voters
- 42%turnout, 2026 round one
- 50.0%Jean-Luc Mélenchon, 2027 round one here (France: 16.8%)
The municipal election, March 2026
Round one, 15 March · 6,505 voted, 6,283 valid votes
- Fier.e.s d'être Trappistes !Miscellaneous left 55.6% · 3,494 · 31 seats
- TRAPPES POPULAIREMiscellaneous left 24.4% · 1,536 · 5 seats
- AGIR POUR TRAPPESMiscellaneous centre 16.2% · 1,017 · 3 seats
- Lutte Ouvrière - Le camp des travailleursFar left 3.8% · 236
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 Trappes from how it voted in 2022.
- Jean-Luc MélenchonFrance Unbowed 50.0% · France 16.8%
- Marine Le PenNational Rally 19.8% · France 34.2%
- Raphaël GlucksmannSocialists 11.3% · France 13.4%
- Édouard PhilippeEnsemble (Macron camp) 8.7% · France 14.3%
- Bruno RetailleauRepublicans 4.8% · France 7.6%
- Fabien RousselCommunist Party 1.6% · France 2.0%
- Éric ZemmourReconquête 1.5% · France 3.8%
- Marine TondelierGreens 1.1% · France 2.9%
- Nicolas Dupont-AignanSovereigntists 0.9% · France 2.1%
In 2022, round one here: France Unbowed 60.6% · Ensemble (Macron camp) 16.6% · National Rally 10.8% · Reconquête 2.7% · Republicans 2.4%. 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
- Vélizy-Villacoublay14,358 voters · Miscellaneous right
- La Celle-Saint-Cloud14,228 voters · Miscellaneous right
- Elancourt16,820 voters · Les Républicains
- Maurepas13,779 voters · Miscellaneous right
- Les Mureaux17,404 voters · Miscellaneous left
- Achères13,618 voters · Miscellaneous centre
- Maisons-Laffitte17,792 voters · Miscellaneous right
- Guyancourt18,603 voters · Miscellaneous left