In the 2021 Census, the City of Calgary had a population of 1,306,784 residents, representing 30.7% of the 4,262,635 residents in all of Alberta, and 3.5% compared to a population of 36,991,981 in all of Canada. The total population of the Calgary census metropolitan area (CMA) was 1,481,806. Calgary is the largest city in Alberta, and the third-largest municipality, and fifth-largest metropolitan area in Canada, as of 2021.
Section 57 of Alberta's Municipal Government Act (MGA) enables municipalities to conduct censuses. The City of Calgary first conducted a municipal census, or civic census, in 1931. It has conducted a civic census annually since 1958.
Calgary's 2016 civic census counted a population of 1,381,345. From 2011 to 2012, there was a 2.7% increase over its 2011 municipal census population of 1,090,936. The city attributed the 29,289 increase in residents to a natural increase of 9,631 and a net migration of 19,658 since the 2011 civic census. The 2012 civic census also recorded a total 459,339 dwellings in the city.
The following is a breakdown of the City of Calgary's 2012 civic census results by community, including residential communities, industrial areas, major parks and residual areas by electoral ward.
Between 2016 and 2021, the population of the City of Calgary grew by 5.5%, compared with an increase of 7.8% for the Calgary CMA. During the same period, the growth rates were 10.8% for Alberta and 5.9% for Canada. With land areas of and for the city and CMA respectively, the population density was for the city and for the CMA in 2021.
In the 2011 census, the median age was 36.4 years for both the City of Calgary and its CMA. Comparatively, the median ages were 36.5 years in Alberta and 40.6 years in Canada. The largest age group was 25 to 29 years for both the city (93,360) and the CMA (100,290).
The 2011 census also indicated that 50.09% of the population was female and 49.91% was male in the city (549,360 females and 547,475 males) and 50.05% and 49.95% in the CMA (607,970 females and 606,870 males).
The question on knowledge of languages allows for multiple responses. The following figures are from the 2021 Canadian Census, and lists languages that were selected by at least 1,000 respondents.
Based on Calgary's 2016 metropolitan census reporting a population of 1,381,345, English is the mother tongue for 67.8 per cent of inhabitants. French-speakers make up 1.5 per cent with 20,715 people. Other languages make up 30.7 per cent or 383,320. The top five languages outside English and French in Calgary are Tagalog (Pilipino; Filipino), Punjabi (Panjabi), Cantonese, Mandarin, and Spanish (at 8,685 or 2.1 per cent of Calgary's population).
The 2021 census reported that immigrants (individuals born outside Canada) comprise 460,875 persons or 31.5 percent of the total population of Metro Calgary. <div style="overflow-x:auto; border: 1px solid #AAA; padding-left: 0.1em; padding-right: 0.1em">
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The 2021 Canadian census counted a total of 85,620 people who immigrated to Metro Calgary between 2016 and 2021.<br />