Longueuil: population and official figures
In depth
- Economy, jobs and prices in Longueuil: The median total income of households in Longueuil was C$71,500 in 2020, as reported in the 2021 Census, joint 11th lowest of 69 Canadian cities and metropolitan areas on this site; the median for Canada was C$84,000.
- Education in Longueuil: 31.6% of people aged 25 to 64 in Longueuil held a bachelor's degree or higher in 2021, 30th lowest of 69 Canadian cities and metropolitan areas on this site, below the national 32.9%.
- Poverty and living standards in Longueuil: 11.9% of people in private households in Longueuil, 29,755 in all, were in low income in 2020 by the low-income measure after tax (LIM-AT), 20th highest of 69 Canadian cities and metropolitan areas on this site; the rate for Canada was 11.1%.
What is the population of Longueuil?
Statistics Canada estimates that Longueuil (the municipality) had 268,530 residents on 1 July 2025, 26th largest of 69 Canadian cities and metropolitan areas on this site; that was 0.3% more than a year earlier (267,705) and 4.8% more than on 1 July 2021 (256,138).
Source: Statistics Canada · saved copyHow fast is Longueuil growing?
Between 1 July 2021 and 1 July 2025 the population of Longueuil changed by +4.8%, 9th slowest growth of 69 Canadian cities and metropolitan areas on this site; Canada as a whole grew 8.9%, to 41,651,653, and Longueuil held 0.64% of that total.
Source: Statistics Canada · saved copyHow many people lived in Longueuil at the 2021 Census?
The 2021 Census counted 254,483 people in Longueuil, +6.1% on the 239,897 counted in 2016 (joint 32nd slowest growth of 69 Canadian cities and metropolitan areas on this site; Canada: +5.2%). It covers 116 square kilometres, or 2,198 people per square kilometre.
Source: Statistics Canada · saved copyWhat is the median age in Longueuil?
The median age in Longueuil was 41.6 years at the 2021 Census, joint 25th oldest of 69 Canadian cities and metropolitan areas on this site (Canada: 41.6); 19.0% of residents were 65 or older and 16.8% were under 15 (Canada: 19.0% and 16.3%).
Source: Statistics Canada · saved copyWho runs Longueuil?
In Canada, cities and towns are run by regional or upper-tier municipalities: Mostly councillors sent from lower-tier councils; some heads elected directly. Regional planning, transit, water and policing in some areas.
How local power works in Canada
Cities of a similar size in Canada
- Québec 592,658
- Halifax 516,822
- St. Catharines-Niagara 503,670
- London 494,785
- Laval 461,509
- Markham 371,504
- Vaughan 358,535
- Kitchener 323,917
- Saskatoon 318,067
- Gatineau 306,105
- Burnaby 299,682
- Windsor 269,614
- Regina 263,419
- Oakville 243,107
- Richmond 239,584
- Abbotsford-Mission 223,828
Up a level: all cities in Canada · Canada · government and power
Sources
- Statistics Canada: Census Profile, 2021 Census of Population (98-316-X2021001): census subdivisions, selected characteristics (Census Profile SDMX API extract, dataflow DF_CSD, gender total, counts and rates), read 23 October 2026 · saved copy (SHA-256 46d086943a5e…)
- Statistics Canada: Table 17-10-0155-01: Population estimates, July 1, by census subdivision, 2021 boundaries (Web Data Service extract, 2021-2025; request saved as popest-17100155-csd.request.json), read 23 October 2026 · saved copy (SHA-256 95b5a4929299…)
- Statistics Canada: Table 14-10-0459-01: Labour force characteristics by census metropolitan area, three-month moving average, seasonally adjusted (Web Data Service extract: unemployment and employment rates, latest 13 months; request saved as lfs-14100459-cma.request.json, geography names in lfs-14100459-metadata.json), read 23 October 2026 · saved copy (SHA-256 5f4399c9fdfa…)
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