The 1st constituency of the Côtes-d'Armor is a French legislative constituency in the Côtes-d'Armor département in Brittany. Like the other 576 French constituencies, it elects one MP using the two-round system, with a run-off if no candidate receives over 50% of the vote in the first round.

Geography The constituency is anchored by the town of Saint-Brieuc.

Deputies

ElectionMemberParty 1958 Victor Rault MRP 1962 Robert Richet UNR 1967 Yves Le Foll PSU 1968 Arthur Charles Non-affiliated 1973 Yves Le Foll PSU 1978 Sébastien Couépel UDF 1981Yves Dollo PS 1986 Proportional representation - no election by constituency 1988Yves Dollo PS 1993Christian Daniel RPR 1997 Danielle Bousquet PS 2002 2007 2012 Michel Lesage 2017 Bruno Joncour MoDem 2022 Mickaël Cosson 2024

Election results

2024 CandidatePartyAllianceFirst roundSecond roundVotes%+/–Votes%+/–Mickaël CossonMoDEMEnsemble32.96+8.1541.45-10.94Marion GordiardLFINFP30.38+2.8931.78-15.83Françoise BillaudRN25.75+13.3526.77newBarnard CroguennecLRUDC5.54newAourell DanjouECO2.75newAlain Le FolLO1.02-0.04Virginie MattasoglioREG0.84newHervé DenisEXG0.74newVotes100.00100.00Valid votes97.51-0.1897.16+2.66Blank votes1.70+0.072.08-2.37Null votes0.80+0.120.76-1.29Turnout74.20+21.1574.48+21.09Abstentions25.80-21.1525.52+21.09Registered votersSource: Result MoDEM HOLD

2022

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* PS dissident** Horizons dissident

2017 CandidateLabelFirst roundSecond roundVotes%Votes%Bruno JoncourMoDem41.2060.04Michel LesagePS13.8239.96Marion GorgiardFI12.55Sylvie GrondinLR11.11Pierre-Yves LopinFN7.40Aurélien DanvertECO5.32Jean-François PhilippePCF3.56Pascal LaporteREG2.19Alain Le FolEXG0.90Joannic MartinREG0.81Gwenaëlle GesretDIV0.58Hervé DenisEXG0.55Guillaume RoparsDIV0.00Votes100.00100.00Valid votes97.7188.87Blank votes1.597.28Null votes0.693.85Turnout55.1746.39Abstentions44.8353.61Registered votersSource:

2012 + 2012 legislative election in Cotes-D'Armor's 1st constituencyCandidatePartyFirst roundSecond roundVotes%Votes%Michel LesagePS46.68%65.86%Sylvie GrondinUMP25.16%34.14%Jean-François PhilippeFG9.45%Céline LelaumierFN8.61%Thierry StiefvaterUDB–EELV5.66%Samuel BurlotNPA1.44%Yamina El HarouatNC1.21%Alain Le FolLO0.83%Hervé DenisPOI0.49%Julien PetitSP0.46%Valid votes98.09%96.20%Spoilt and null votes1.91%3.80%Votes cast / turnout61.10%59.24%Abstentions38.90%40.76%Registered voters100.00%100.00%

2007

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2002

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1997

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Sources Official results of French elections from 1998: