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Palaiseau: Grégoire De Lasteyrie's list won the town hall in 2026; Jean-Luc Mélenchon would lead here in 2027

Palaiseau (Essonne, INSEE 91477) has 22,360 registered voters. Its council has 39 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.

The municipal election, March 2026

Round two, 22 March · 12,747 voted, 12,373 valid votes

  1. 100% Palaiseau avec Grégoire de LasteyrieLed by Grégoire De Lasteyrie · Miscellaneous centre 54.9% · 6,794 · 30 seats
  2. Rassembler PalaiseauLed by Olivier Finel · Union of the left 45.1% · 5,579 · 9 seats

Round one, 15 March · 12,900 voted, 12,721 valid votes

  1. 100% Palaiseau avec Grégoire de LasteyrieMiscellaneous centre 40.9% · 5,203
  2. Rassembler PalaiseauUnion of the left 21.4% · 2,728
  3. Palaiseau ensembleMiscellaneous 12.5% · 1,589
  4. Palaiseau à coeurMiscellaneous left 9.1% · 1,163
  5. Faire mieux pour PalaiseauFrance Unbowed 6.5% · 827
  6. Palaiseau en communMiscellaneous 5.8% · 734
  7. IMPULSION CITOYENNEMiscellaneous 3.7% · 477

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%.

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About Palaiseau

Palaiseau is a commune in Essonne with 22,360 registered voters, the 3rd largest of the département's 194 communes. At the municipal election of March 2026 57.7% of them voted, more than the 53.2% across Essonne, and the list led by Grégoire De Lasteyrie won 30 of the council's 39 seats after a second round.

In the first round of the 2022 presidential election the commune voted Ensemble (Macron camp) 30.4%, France Unbowed 30.3%, National Rally 10.3%. National Rally did 13 points worse here than across France.

Moved to today's national polls, our projection for the 2027 first round here has Jean-Luc Mélenchon ahead on 24.3%, with Marine Le Pen on 19.7%.

The 2027 presidential election here, round one

Our national forecast for round one, carried down to Palaiseau from how it voted in 2022.

  1. Jean-Luc MélenchonFrance Unbowed 24.3% · France 16.8%
  2. Marine Le PenNational Rally 19.7% · France 34.2%
  3. Édouard PhilippeEnsemble (Macron camp) 17.1% · France 14.3%
  4. Raphaël GlucksmannSocialists 15.1% · France 13.4%
  5. Bruno RetailleauRepublicans 10.0% · France 7.6%
  6. Marine TondelierGreens 5.8% · France 2.9%
  7. Éric ZemmourReconquête 3.2% · France 3.8%
  8. Fabien RousselCommunist Party 2.5% · France 2.0%
  9. Nicolas Dupont-AignanSovereigntists 1.8% · France 2.1%
  10. Nathalie ArthaudFar left 0.5% · France 0.6%

In 2022, round one here: Ensemble (Macron camp) 30.4% · France Unbowed 30.3% · National Rally 10.3% · Greens 8.0% · Republicans 6.1%. 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

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