Dorval is a city on the island of Montreal in southwestern Quebec, Canada. As of the 2006 Canadian Census, the population increased by 2.2% to 18,088. Although the city has the largest surface area in the West Island, it is among the least densely populated. Pierre Elliott Trudeau International Airport constitutes about 60% of the city's land, forcing all of Dorval's population to be concentrated in the southern part of the city.Dorval is the oldest city in the West Island, having been founded in 1667, and one of the oldest in Canada and North America.

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