Division No. 6 is a census division in Alberta, Canada. It includes the City of Calgary and surrounding areas. The majority of the division consists of Alberta's Calgary Region, while the northern portion of the division includes parts of central Alberta. The division also forms the southern segment of the Calgary–Edmonton Corridor. Division No. 6 is the largest census division in Alberta according to population and also has the highest population density. Census subdivisions The following census subdivisions (municipalities or municipal equivalents) are located within Alberta's Division No. 6. Cities Airdrie Calgary Chestermere Towns Carstairs Cochrane Crossfield Didsbury Diamond Valley High River Irricana Okotoks Olds Sundre Villages Beiseker Cremona Longview Municipal districts Foothills County Mountain View County Rocky View County First Nation reserves Eden Valley 216 Tsuu T'ina Nation 145 Demographics In the 2021 Census of Population conducted by Statistics Canada, Division No. 6 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021. See also List of census divisions of Alberta List of communities in Alberta References D06 Calgary Region