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Le Chesnay-Rocquencourt: Anne Père-Brillault's list won the town hall in 2026; Édouard Philippe would lead here in 2027

Le Chesnay-Rocquencourt (Yvelines, INSEE 78158) has 22,942 registered voters. Its council has 43 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 · 13,310 voted, 13,058 valid votes

  1. LE PROJET LCR 2026Led by Anne Père-Brillault · Les Républicains 54.0% · 7,053 · 33 seats
  2. Une énergie renouvelée pour le Chesnay-RocquencourtLed by Richard Delepierre · Miscellaneous centre 37.0% · 4,825 · 8 seats
  3. Unis pour le Chesnay-RocquencourtLed by Patrick Espinasse · Miscellaneous right 9.0% · 1,180 · 2 seats

Round one, 15 March · 13,555 voted, 13,313 valid votes

  1. LE PROJET LCR 2026Les Républicains 49.3% · 6,558
  2. Une énergie renouvelée pour le Chesnay-RocquencourtMiscellaneous centre 31.4% · 4,181
  3. Unis pour le Chesnay-RocquencourtMiscellaneous right 11.3% · 1,511
  4. DÉMOCRATIE COURTOISEMiscellaneous left 8.0% · 1,063

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 Le Chesnay-Rocquencourt from how it voted in 2022.

  1. Édouard PhilippeEnsemble (Macron camp) 23.5% · France 14.3%
  2. Bruno RetailleauRepublicans 20.8% · France 7.6%
  3. Marine Le PenNational Rally 19.3% · France 34.2%
  4. Raphaël GlucksmannSocialists 11.3% · France 13.4%
  5. Éric ZemmourReconquête 10.6% · France 3.8%
  6. Jean-Luc MélenchonFrance Unbowed 8.4% · France 16.8%
  7. Marine TondelierGreens 3.1% · France 2.9%
  8. Nicolas Dupont-AignanSovereigntists 1.9% · France 2.1%
  9. Fabien RousselCommunist Party 0.9% · France 2.0%

In 2022, round one here: Ensemble (Macron camp) 38.9% · Reconquête 15.8% · Republicans 13.9% · France Unbowed 11.0% · National Rally 10.1%. 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 Yvelines

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