Château-Thierry: Pour Château-Thierry, en avant ! won the town hall in 2026; Marine Le Pen would lead here in 2027
Château-Thierry (Aisne, INSEE 02168) has 9,612 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.
- 9,612registered voters
- 46%turnout, 2026 round one
- 37.5%Marine Le Pen, 2027 round one here (France: 34.2%)
The municipal election, March 2026
Round one, 15 March · 4,461 voted, 4,286 valid votes
- Pour Château-Thierry, en avant !Miscellaneous left 70.9% · 3,038 · 29 seats
- UNI.E.S POUR CHÂTEAU-THIERRYUnion of the left 25.6% · 1,097 · 4 seats
- Lutte ouvrière - Le camp des travailleursFar left 3.5% · 151
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%.
What if the national vote changes? Every commune
Move a party's national vote share and our model reruns all 34,778 communes with your figures: the same arithmetic as our projection, so you see what changes hands and why.
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What changes hands
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About Château-Thierry
Château-Thierry is a commune in Aisne with 9,612 registered voters, the 5th largest of the département's 797 communes. At the municipal election of March 2026 46.4% of them voted, fewer than the 56.3% across Aisne, and Pour Château-Thierry, en avant ! won 29 of the council's 33 seats in the first round.
In the first round of the 2022 presidential election the commune voted France Unbowed 27.1%, National Rally 24.9%, Ensemble (Macron camp) 24.7%. France Unbowed did 5 points better here than across France.
Moved to today's national polls, our projection for the 2027 first round here has Marine Le Pen ahead on 37.5%, with Jean-Luc Mélenchon on 20.5%.
The 2027 presidential election here, round one
Our national forecast for round one, carried down to Château-Thierry from how it voted in 2022.
- Marine Le PenNational Rally 37.5% · France 34.2%
- Jean-Luc MélenchonFrance Unbowed 20.5% · France 16.8%
- Édouard PhilippeEnsemble (Macron camp) 12.7% · France 14.3%
- Raphaël GlucksmannSocialists 12.1% · France 13.4%
- Bruno RetailleauRepublicans 6.4% · France 7.6%
- Éric ZemmourReconquête 3.4% · France 3.8%
- Nicolas Dupont-AignanSovereigntists 2.5% · France 2.1%
- Marine TondelierGreens 2.0% · France 2.9%
- Fabien RousselCommunist Party 2.0% · France 2.0%
- Nathalie ArthaudFar left 1.0% · France 0.6%
In 2022, round one here: France Unbowed 27.1% · National Rally 24.9% · Ensemble (Macron camp) 24.7% · Reconquête 6.5% · Republicans 3.7%. 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 Aisne
- Tergnier9,927 voters · Miscellaneous left
- Chauny8,003 voters · Miscellaneous centre
- Villers-Cotterêts7,157 voters · Miscellaneous centre
- Laon15,345 voters · Miscellaneous centre
- Hirson5,943 voters · Union of the left
- Soissons16,818 voters · Miscellaneous right
- Gauchy4,178 voters · Miscellaneous centre
- Bohain-en-Vermandois3,500 voters · Miscellaneous left