Boissy-sous-Saint-Yon: ENSEMBLE POUR BOISSY won the town hall in 2026; Marine Le Pen would lead here in 2027
Boissy-sous-Saint-Yon (Essonne, INSEE 91085) has 2,917 registered voters. Its council has 27 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.
- 2,917registered voters
- 40%turnout, 2026 round one
- 36.5%Marine Le Pen, 2027 round one here (France: 34.2%)
The municipal election, March 2026
Round one, 15 March · 1,168 voted, 984 valid votes
- ENSEMBLE POUR BOISSYMiscellaneous 100.0% · 984 · 27 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%.
The 2027 presidential election here, round one
Our national forecast for round one, carried down to Boissy-sous-Saint-Yon from how it voted in 2022.
- Marine Le PenNational Rally 36.5% · France 34.2%
- Édouard PhilippeEnsemble (Macron camp) 15.2% · France 14.3%
- Raphaël GlucksmannSocialists 13.7% · France 13.4%
- Jean-Luc MélenchonFrance Unbowed 12.7% · France 16.8%
- Bruno RetailleauRepublicans 7.1% · France 7.6%
- Éric ZemmourReconquête 4.8% · France 3.8%
- Marine TondelierGreens 3.2% · France 2.9%
- Nicolas Dupont-AignanSovereigntists 3.2% · France 2.1%
- Fabien RousselCommunist Party 2.7% · France 2.0%
- Nathalie ArthaudFar left 0.8% · France 0.6%
In 2022, round one here: Ensemble (Macron camp) 29.0% · National Rally 24.1% · France Unbowed 17.3% · Reconquête 8.6% · Greens 5.0%. 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 Essonne
- Angerville2,965 voters · Miscellaneous
- Leuville-sur-Orge2,999 voters · Miscellaneous left
- Tigery2,834 voters · Miscellaneous
- Saclay3,030 voters · Miscellaneous right
- Ballainvilliers3,034 voters · Miscellaneous right
- Forges-les-Bains3,073 voters · Miscellaneous
- Le Plessis-Pâté2,729 voters · Miscellaneous left
- Villiers-sur-Orge3,119 voters · Miscellaneous left