Jouars-Pontchartrain: UNIS POUR JOUARS-PONTCHARTRAIN won the town hall in 2026; Marine Le Pen would lead here in 2027
Jouars-Pontchartrain (Yvelines, INSEE 78321) has 4,420 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.
- 4,420registered voters
- 62%turnout, 2026 round one
- 26.2%Marine Le Pen, 2027 round one here (France: 34.2%)
The municipal election, March 2026
Round one, 15 March · 2,720 voted, 2,659 valid votes
- UNIS POUR JOUARS-PONTCHARTRAINMiscellaneous centre 64.1% · 1,705 · 24 seats
- Continuons Ensemble Avec Philippe EMMANUELMiscellaneous centre 22.2% · 590 · 3 seats
- JPDemainFar right 13.7% · 364 · 2 seats
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%.
What if the national vote changes? Every commune
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About Jouars-Pontchartrain
Jouars-Pontchartrain is a commune in Yvelines with 4,420 registered voters, the 61st largest of the département's 259 communes. At the municipal election of March 2026 61.5% of them voted, more than the 54.4% across Yvelines, and UNIS POUR JOUARS-PONTCHARTRAIN won 24 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) 36.3%, France Unbowed 16.9%, National Rally 15.5%. Ensemble (Macron camp) did 9 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 26.2%, with Édouard Philippe on 21.3%.
The 2027 presidential election here, round one
Our national forecast for round one, carried down to Jouars-Pontchartrain from how it voted in 2022.
- Marine Le PenNational Rally 26.2% · France 34.2%
- Édouard PhilippeEnsemble (Macron camp) 21.3% · France 14.3%
- Raphaël GlucksmannSocialists 13.5% · France 13.4%
- Bruno RetailleauRepublicans 13.2% · France 7.6%
- Jean-Luc MélenchonFrance Unbowed 12.8% · France 16.8%
- Marine TondelierGreens 4.7% · France 2.9%
- Éric ZemmourReconquête 4.2% · France 3.8%
- Nicolas Dupont-AignanSovereigntists 2.1% · France 2.1%
- Fabien RousselCommunist Party 1.4% · France 2.0%
- Nathalie ArthaudFar left 0.5% · France 0.6%
In 2022, round one here: Ensemble (Macron camp) 36.3% · France Unbowed 16.9% · National Rally 15.5% · Republicans 8.5% · Reconquête 7.6%. 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
- Buc4,376 voters · Miscellaneous
- Magnanville4,358 voters · Miscellaneous left
- Maule4,355 voters · Miscellaneous
- Chambourcy4,331 voters · Miscellaneous right
- Villennes-sur-Seine4,583 voters · Miscellaneous centre
- Chevreuse4,208 voters · Miscellaneous right
- Epône4,647 voters · Miscellaneous
- Saint-Nom-la-Bretèche4,195 voters · Miscellaneous centre