Bromont is a city in southwestern Quebec, Canada, at the base of Mount Brome (Mont Brome). It is 85-kilometres (53 mi) east of Montreal on Autoroute 10, bordering the Eastern Townships. The population as of the Canada 2011 Census was 7,649. As of January 1, 2010, it is in the Brome-Missisquoi Regional County Municipality; previously it was in La Haute-Yamaska Regional County Municipality.