Westmont
Market InsightsWestmont is a village in DuPage County, Illinois, United States. Westmont is a community of 5.03 square miles in area. Westmont had a 2000 population of 24,554, a partial special census was conducted 2007 resulting in a population of 26,211, and the census of 2010 put the population at 24,685. It is located approximately 18 miles west of the Chicago Loop in the southeastern portion of DuPage County.