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Athis-Mons: Jean-Jacques GROUSSEAU Toujours à vos côtés pour Athis-Mons won the town hall in 2026; Jean-Luc Mélenchon would lead here in 2027

Athis-Mons (Essonne, INSEE 91027) has 19,789 registered voters. Its council has 39 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 · 9,893 voted, 9,741 valid votes

  1. Jean-Jacques GROUSSEAU Toujours à vos côtés pour Athis-MonsUnion of the left 59.6% · 5,807 · 33 seats
  2. Rassembler pour Athis-MonsMiscellaneous right 12.5% · 1,217 · 2 seats
  3. Athis-Mons en actionRassemblement National 11.0% · 1,074 · 2 seats
  4. Agir pour Athis-MonsLes Républicains 8.6% · 837 · 1 seat
  5. Faire mieux pour tout AthisFrance Unbowed 8.3% · 806 · 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 Athis-Mons

Athis-Mons is a commune in Essonne with 19,789 registered voters, the 8th largest of the département's 194 communes. At the municipal election of March 2026 50% of them voted, fewer than the 53.2% across Essonne, and Jean-Jacques GROUSSEAU Toujours à vos côtés pour Athis-Mons won 33 of the council's 39 seats in the first round.

In the first round of the 2022 presidential election the commune voted France Unbowed 39.1%, Ensemble (Macron camp) 23.1%, National Rally 16.3%. 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 31.3%, with Marine Le Pen on 27.1%.

The 2027 presidential election here, round one

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

  1. Jean-Luc MélenchonFrance Unbowed 31.3% · France 16.8%
  2. Marine Le PenNational Rally 27.1% · France 34.2%
  3. Raphaël GlucksmannSocialists 12.9% · France 13.4%
  4. Édouard PhilippeEnsemble (Macron camp) 12.1% · France 14.3%
  5. Bruno RetailleauRepublicans 6.7% · France 7.6%
  6. Éric ZemmourReconquête 3.3% · France 3.8%
  7. Marine TondelierGreens 2.2% · France 2.9%
  8. Nicolas Dupont-AignanSovereigntists 2.0% · France 2.1%
  9. Fabien RousselCommunist Party 1.8% · France 2.0%
  10. Nathalie ArthaudFar left 0.5% · France 0.6%

In 2022, round one here: France Unbowed 39.1% · Ensemble (Macron camp) 23.1% · National Rally 16.3% · Reconquête 6.2% · Republicans 3.9%. 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

Every commune in Essonne → · All of France →