Each seat on Longueuil’s council stands for 14,130 residents, more than in 99% of Quebec municipalities

Who to ask

Green: municipal. Gold: provincial. Grey: federal.

Outside any MRC, Longueuil still belongs to the Communauté métropolitaine de Montréal.

1. 1

   Longueuil councilelected November 2025
   Catherine Fournier
2. 2

   National Assembly of Québec–
3. 3

   House of CommonsMont-Saint-Bruno—L’Acadie · 71%
   Bienvenu-Olivier Ntumba
4. 4

   House of CommonsLongueuil—Saint-Hubert · 29%

Party colours are neutral on purpose: they tell parties apart and aren’t the parties’ own. MPs: Wikidata (CC0), 45th Parliament statements, read 7 November 2026; ridings: 2023 Representation Order, Statistics Canada

19 members and how they were elected

Each electoral district elects one councillor; the mayor is chosen by all of Longueuil. All the seats went to Coalition Longueuil - Équipe Catherine Fournier, the only team to win.

Councils and results: Résultats des élections municipales générales de 2025, MAMH (CC BY 4.0)

Catherine Fournier was already mayor and kept the seat. Catherine Fournier won the race for mayor with 89% of the votes, 45,173 ahead of Sacha Parisella. 33% of electors voted for mayor, below the 51% median of Québec’s contested mayoral races.

How Laurendeau voted: same source as Councillors, above.

The next council election in Longueuil falls on 4 November 2029, the first Sunday in November every four years under the Act respecting elections and referendums in municipalities. Provincially the last general election was on 5 October 2026, for the National Assembly of Québec; federally, on 28 April 2025. The open federal catalogue ends at 2021; the 2025 results sit on elections.ca under terms that bar commercial use.

Election dates: the legislatures, MMAH and MAMH

Legislatures: their own member pages

In Quebec, 44 of 78 ridings are held by the Liberal Party of Canada, the party Bienvenu-Olivier Ntumba sits with.

The MP’s record

Bienvenu-Olivier Ntumba is new to Parliament, first elected in the April 2025 vote. On today’s boundaries, the 2021 vote in Mont-Saint-Bruno—L’Acadie would have gone to the Bloc Québécois (45%), so Bienvenu-Olivier Ntumba’s 2025 win took it from them.

MPs: Wikidata (CC0), 45th Parliament statements, read 7 November 2026; ridings: 2023 Representation Order, Statistics Canada · MPs’ records: Wikidata (CC0), positions held and party memberships, read 8 November 2026

Montarville turned out at 75% in 2021; the country managed 63%. Stéphane Bergeron (Bloc Québécois) took Montarville in 2021 with 45% of the vote, 6,037 votes ahead of Marie-Ève Pelchat (Liberal Party of Canada). Stéphane Bergeron already held it after the 2019 election, won with 43%.

Federal results: Elections Canada, 43rd and 44th general elections and the 44th’s transposition to the 2023 ridings, via open.canada.ca. Contains information licensed under the Open Government Licence – Canada

At $3,039 per resident, Longueuil council’s $794.9M of long-term debt is more than the $2,461 median. Local taxpayers carry a smaller share than elsewhere: 43% of revenue, where the province’s returns show 63%. More goes to roads and transit than to anything else: $1,647 a resident, 41% of all spending. Staff pay and benefits account for 48% of spending. Spending by Longueuil council reached $4,057 a resident in 2024, well over the $2,394 median of Québec’s local municipalities.

Money: rapport financier and profil financier 2024, ministère des Affaires municipales et de l’Habitation (CC BY 4.0)

How Longueuil council compares is at the top of the page; here it stands beside its neighbours.

Residents: 2021 Census; seats: the province’s council list