Airdrie ( ) is a city in Alberta, Canada within the Calgary Region. It is located north of Calgary within the Calgary–Edmonton Corridor at the intersection of Queen Elizabeth II Highway (Highway 2) and Highway 567. The City of Airdrie is part of the Calgary census metropolitan area and a member municipality of the Calgary Metropolitan Region Board (CMRB). The city is surrounded by Rocky View County. As of the 2021 Canadian census Airdrie has a population of 74,100, making it the 5th largest city in Alberta, after Calgary, Edmonton, Lethbridge, and Red Deer. History Airdrie was first established as a railway siding in 1889 during the construction of the Calgary and Edmonton Railway, named for Airdrie, Scotland. Airdrie originated as a stopping point for steam trains next to Nose Creek. Only railway buildings existed until 1901 when the first farmhouse and barn was built, followed by a post office and store in that same year. The village of Airdrie was incorporated in 1909. The Nose Creek Valley Museum offers an overview of Airdrie's past and history. Geography Recent annexation of land by Airdrie to the south, coupled with recent expansion of Calgary's city limits in July 2007, have placed the two cities' boundaries within only a few kilometres of each other. Neighbourhoods Airdrie is divided into four civic addressing quadrants. As of the 2012 census, the City of Airdrie recognized the following neighbourhoods, not including rural and annexation land. Airdrie Meadows Bayside/Bayspring Big Springs Canals Coopers Crossing Downtown East Lake Industrial Edgewater Edmonton Trail Fairways Highland Hillcrest Jensen King's Heights Luxstone Meadowbrook Midtown Morningside Old Town Prairie Springs Ravenswood Reunion Ridgegate Sagewood Silver Creek Stonegate Summerhill Sun Ridge The Village Thorburn Waterstone Williamstown Willow Brook Windsong Woodside Yankee Valley Crossing Demographics In the 2021 Census of Population conducted by Statistics Canada, the City of Airdrie had a population of 74,100 living in 26,298 of its 27,037 total private dwellings, a change of from its 2016 population of 61,581. With a land area of , it had a population density of in 2021. The population of the City of Airdrie according to its 2019 municipal census is 70,564, a change of from its 2018 municipal census population of 68,091. In the 2016 Census of Population conducted by Statistics Canada, the City of Airdrie had a population of 61,581 living in 21,661 of its 22,398 total private dwellings, a change of