Fontenay-Mauvoisin: Vivre Ensemble à Fontenay Mauvoisin won the town hall in 2026; Marine Le Pen would lead here in 2027
Fontenay-Mauvoisin (Yvelines, INSEE 78245) has 393 registered voters. Its council has 11 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.
- 393registered voters
- 48%turnout, 2026 round one
- 37.3%Marine Le Pen, 2027 round one here (France: 34.2%)
The municipal election, March 2026
Round one, 15 March · 190 voted, 160 valid votes
- Vivre Ensemble à Fontenay MauvoisinNo label (small commune) 100.0% · 160 · 11 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
Move a party's national vote share and our model reruns all 34,778 communes with your figures: the same arithmetic as our projection, so you see what changes hands and why.
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What changes hands
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About Fontenay-Mauvoisin
Fontenay-Mauvoisin is a commune in Yvelines with 393 registered voters, the 215th largest of the département's 259 communes. At the municipal election of March 2026 48.3% of them voted, fewer than the 54.4% across Yvelines, and Vivre Ensemble à Fontenay Mauvoisin won 11 of the council's 11 seats in the first round.
In the first round of the 2022 presidential election the commune voted Ensemble (Macron camp) 27.7%, National Rally 25.1%, France Unbowed 17.4%. France Unbowed did 5 points worse here than across France.
Moved to today's national polls, our projection for the 2027 first round here has Marine Le Pen ahead on 37.3%, with Édouard Philippe on 14.1%.
The 2027 presidential election here, round one
Our national forecast for round one, carried down to Fontenay-Mauvoisin from how it voted in 2022.
- Marine Le PenNational Rally 37.3% · France 34.2%
- Édouard PhilippeEnsemble (Macron camp) 14.1% · France 14.3%
- Bruno RetailleauRepublicans 13.5% · France 7.6%
- Jean-Luc MélenchonFrance Unbowed 12.6% · France 16.8%
- Raphaël GlucksmannSocialists 10.2% · France 13.4%
- Éric ZemmourReconquête 4.1% · France 3.8%
- Nicolas Dupont-AignanSovereigntists 3.7% · France 2.1%
- Marine TondelierGreens 2.2% · France 2.9%
- Fabien RousselCommunist Party 1.5% · France 2.0%
- Nathalie ArthaudFar left 0.7% · France 0.6%
In 2022, round one here: Ensemble (Macron camp) 27.7% · National Rally 25.1% · France Unbowed 17.4% · Republicans 9.1% · Reconquête 7.7%. 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 →
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