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Croissy-sur-Seine: ENSEMBLE VIVRE CROISSY won the town hall in 2026; Édouard Philippe would lead here in 2027

Croissy-sur-Seine (Yvelines, INSEE 78190) has 7,868 registered voters. Its council has 33 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.

The municipal election, March 2026

Round one, 15 March · 4,441 voted, 4,398 valid votes

  1. ENSEMBLE VIVRE CROISSYMiscellaneous right 55.5% · 2,443 · 26 seats
  2. CROISSY AVEC VOUSMiscellaneous right 28.2% · 1,240 · 5 seats
  3. Croissy écologique et solidaireUnion of the left 16.3% · 715 · 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%.

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About Croissy-sur-Seine

Croissy-sur-Seine is a commune in Yvelines with 7,868 registered voters, the 40th largest of the département's 259 communes. At the municipal election of March 2026 56.4% of them voted, more than the 54.4% across Yvelines, and ENSEMBLE VIVRE CROISSY won 26 of the council's 33 seats in the first round.

In the first round of the 2022 presidential election the commune voted Ensemble (Macron camp) 45.1%, Republicans 13.9%, France Unbowed 13.2%. Ensemble (Macron camp) did 18 points better here than across France.

Moved to today's national polls, our projection for the 2027 first round here has Édouard Philippe ahead on 28.7%, with Bruno Retailleau on 21.1%.

The 2027 presidential election here, round one

Our national forecast for round one, carried down to Croissy-sur-Seine from how it voted in 2022.

  1. Édouard PhilippeEnsemble (Macron camp) 28.7% · France 14.3%
  2. Bruno RetailleauRepublicans 21.1% · France 7.6%
  3. Marine Le PenNational Rally 15.9% · France 34.2%
  4. Raphaël GlucksmannSocialists 11.6% · France 13.4%
  5. Jean-Luc MélenchonFrance Unbowed 10.2% · France 16.8%
  6. Éric ZemmourReconquête 6.4% · France 3.8%
  7. Marine TondelierGreens 4.0% · France 2.9%
  8. Nicolas Dupont-AignanSovereigntists 1.3% · France 2.1%
  9. Fabien RousselCommunist Party 0.7% · France 2.0%

In 2022, round one here: Ensemble (Macron camp) 45.1% · Republicans 13.9% · France Unbowed 13.2% · Reconquête 10.3% · National Rally 7.4%. 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

Every commune in Yvelines → · All of France →