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Saint-Ouen-l'Aumône: AGIR AVEC VOUS POUR SAINT-OUEN-L'AUMONE won the town hall in 2026; Jean-Luc Mélenchon would lead here in 2027

Saint-Ouen-l'Aumône (Val-d'Oise, INSEE 95572) has 13,505 registered voters. Its council has 35 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 · 5,736 voted, 5,621 valid votes

  1. AGIR AVEC VOUS POUR SAINT-OUEN-L'AUMONEMiscellaneous left 57.5% · 3,232 · 28 seats
  2. VOTRE VOIX, NOTRE ACTIONMiscellaneous right 23.8% · 1,338 · 4 seats
  3. SOA GAUCHE CITOYENNEFrance Unbowed 12.5% · 705 · 2 seats
  4. NOTRE CAUSE COMMUNEMiscellaneous 6.2% · 346 · 1 seat

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 Saint-Ouen-l'Aumône

Saint-Ouen-l'Aumône is a commune in Val-d'Oise with 13,505 registered voters, the 19th largest of the département's 183 communes. At the municipal election of March 2026 42.5% of them voted, fewer than the 50.1% across Val-d'Oise, and AGIR AVEC VOUS POUR SAINT-OUEN-L'AUMONE won 28 of the council's 35 seats in the first round.

In the first round of the 2022 presidential election the commune voted France Unbowed 38.9%, Ensemble (Macron camp) 24.4%, National Rally 17.3%. France Unbowed did 17 points better here than across France.

Moved to today's national polls, our projection for the 2027 first round here has Jean-Luc Mélenchon ahead on 31.1%, with Marine Le Pen on 28.3%.

The 2027 presidential election here, round one

Our national forecast for round one, carried down to Saint-Ouen-l'Aumône from how it voted in 2022.

  1. Jean-Luc MélenchonFrance Unbowed 31.1% · France 16.8%
  2. Marine Le PenNational Rally 28.3% · France 34.2%
  3. Édouard PhilippeEnsemble (Macron camp) 12.8% · France 14.3%
  4. Raphaël GlucksmannSocialists 12.2% · France 13.4%
  5. Bruno RetailleauRepublicans 7.1% · France 7.6%
  6. Éric ZemmourReconquête 2.5% · France 3.8%
  7. Marine TondelierGreens 2.0% · France 2.9%
  8. Fabien RousselCommunist Party 1.8% · France 2.0%
  9. Nicolas Dupont-AignanSovereigntists 1.7% · France 2.1%
  10. Nathalie ArthaudFar left 0.6% · France 0.6%

In 2022, round one here: France Unbowed 38.9% · Ensemble (Macron camp) 24.4% · National Rally 17.3% · Reconquête 4.7% · Republicans 4.2%. 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 Val-d'Oise

Every commune in Val-d'Oise → · All of France →