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Senlisse: LA RELEVE won the town hall in 2026; Marine Le Pen would lead here in 2027

Senlisse (Yvelines, INSEE 78590) has 429 registered voters. Its council has 15 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 · 377 voted, 367 valid votes

  1. LA RELEVENo label (small commune) 50.1% · 184 · 12 seats
  2. SENLISSE UNINo label (small commune) 49.9% · 183 · 3 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 Senlisse

Senlisse is a commune in Yvelines with 429 registered voters, the 210th largest of the département's 259 communes. At the municipal election of March 2026 87.9% of them voted, more than the 54.4% across Yvelines, and LA RELEVE won 12 of the council's 15 seats in the first round.

In the first round of the 2022 presidential election the commune voted Ensemble (Macron camp) 31%, France Unbowed 18.5%, National Rally 14.4%. National Rally did 9 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 24.7%, with Bruno Retailleau on 17.8%.

The 2027 presidential election here, round one

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

  1. Marine Le PenNational Rally 24.7% · France 34.2%
  2. Bruno RetailleauRepublicans 17.8% · France 7.6%
  3. Édouard PhilippeEnsemble (Macron camp) 17.1% · France 14.3%
  4. Jean-Luc MélenchonFrance Unbowed 13.9% · France 16.8%
  5. Raphaël GlucksmannSocialists 10.7% · France 13.4%
  6. Éric ZemmourReconquête 7.0% · France 3.8%
  7. Marine TondelierGreens 4.3% · France 2.9%
  8. Nicolas Dupont-AignanSovereigntists 2.4% · France 2.1%
  9. Fabien RousselCommunist Party 2.0% · France 2.0%

In 2022, round one here: Ensemble (Macron camp) 31.0% · France Unbowed 18.5% · National Rally 14.4% · Republicans 11.9% · Reconquête 11.3%. 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 →