#1Centre
Quebec · 6,627 peopleOverall B·#1,122 of 2,556
Strongest: walkability A+, health A·lowest: cost of living D
Centre, #1 on this list · Photo: Veillg1 (CC0)Longueuil · 2026
Neighbourhoods with the oldest residents in Longueuil
Across Canada, the same list puts Centre #13 of 2,589. Canada’s top 100 on this list includes only one neighbourhood in Longueuil. Centre tops the list in Longueuil, at 61.2 years. Second place goes to Roberval, at 53 years, and third to Collectivité Nouvelle, at 47.9 years. Iberville, in the middle of the list, comes in at 41.4 years. Bottom of the list: Sacré-Coeur, with 37.1 years.
Median age of residents, 2021 census (for a city’s neighbourhoods, estimated from five-year age groups) How grades work
#161.2 years Median age
Roberval
Quebec · 2,536 peopleOverall B·#1,044 of 2,556
Strongest: walkability A+, health A·lowest: cost of living D
#3Collectivité Nouvelle
Quebec · 3,587 peopleOverall A·#104 of 2,556
Strongest: health A, jobs & income A·lowest: hazard risk C−
All 24 neighbourhoods, ranked
Best first in Longueuil; beside each place, its rank on the same list for all of Canada.
24 neighbourhoods
#NeighbourhoodMedian ageCanada rankWhat drives it
1Centre6,627 people61.2 years#13 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
2Roberval2,536 people53 years#222 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
3Collectivité Nouvelle3,587 people47.9 years#536 of 2,589Strongest: health A, jobs & income A·lowest: hazard risk C−
4Vieux-Longueuil15,414 people46.3 years#696 of 2,589Strongest: walkability A+, health A·lowest: cost of living D−
5Laurendeau27,321 people44.4 years#943 of 2,589Strongest: walkability A, health A·lowest: hazard risk C−
6Nouveau Greenfield Park6,199 people43.9 years#1,025 of 2,589Strongest: walkability A, health A·lowest: hazard risk C−
7Parcours-du-Cerf - Du Tremblay21,776 people43.8 years#1,033 of 2,589Strongest: health A, walkability A·lowest: hazard risk C−
8Fatima6,213 people43.8 years#1,038 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
9Vieux Greenfield Park10,998 people43.4 years#1,101 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
10Maricourt14,407 people42.8 years#1,179 of 2,589Strongest: walkability A+, health A·lowest: hazard risk C−
11Saint-Robert9,186 people42 years#1,326 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
12Bellerive4,393 people41.8 years#1,347 of 2,589Strongest: walkability A+, health A·lowest: hazard risk C−
13Iberville17,988 people41.4 years#1,404 of 2,589Strongest: walkability A+, health A·lowest: hazard risk C−
14Notre-Dame-de-Grâces10,204 people39.8 years#1,701 of 2,589Strongest: walkability A+, health A·lowest: cost of living D−
15Saint-Vincent-de-Paul8,352 people39.5 years#1,754 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
16Lemoyne5,052 people39.3 years#1,776 of 2,589Strongest: walkability A+, health A·lowest: cost of living D−
17Laflèche19,706 people38.7 years#1,888 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
18Saint-Jude7,364 people38.7 years#1,893 of 2,589Strongest: walkability A+, health A·lowest: cost of living D−
19Notre-Dame-de-la-Garde6,671 people38.3 years#1,965 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
20Carillon / Saint-Pie-X5,457 people38 years#2,008 of 2,589Strongest: walkability A+, health A·lowest: cost of living D−
21Saint-Jean-Vianney13,181 people38 years#2,009 of 2,589Strongest: walkability A+, health A·lowest: jobs & income D
22Bienville7,888 people37.7 years#2,044 of 2,589Strongest: health A, jobs & income A−·lowest: hazard risk C−
23Zone Aéroportuaire3,588 people37.2 years#2,121 of 2,589Strongest: health A, walkability A−·lowest: hazard risk C−
24Sacré-Coeur20,375 people37.1 years#2,134 of 2,589Strongest: walkability A+, health A·lowest: cost of living D
Rankings
More lists for Longueuil
City by city
Oldest elsewhere
Photos: Centre, Veillg1 (CC0) · Collectivité Nouvelle, Jeangagnon (CC BY-SA 4.0), via Wikimedia Commons.
Sources: TownRatings grades: our own summary of the data, ranking Canadian towns against each other only, run #73 of 10 November 2026. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).