Hinsdale is a village in Cook and DuPage counties in the U.S. state of Illinois. Hinsdale is a western suburb of Chicago. The population was 16,816 at the 2010 census, most of whom lived in DuPage County. The town's ZIP code is 60521. It is listed in the top 1% of wealthiest towns in Illinois, and is known locally for its beautiful residences and teardown (referring to a process in which a real estate company or individual buys an existing home and then demolishes and replaces it with a new one) culture, of which new rebuilds have taken 30% of homes in the village. The town has a rolling, wooded topography, with a quaint downtown, and is a 22-minute express train ride to downtown Chicago on the Burlington Northern line.