Naperville is a suburban city of Chicago, located in DuPage and Will counties in the State of Illinois. Naperville was voted the second-best place to live in the United States by Money magazine in 2006. It was rated 1st on the list of best cities for early retirement in 2013 by kiplinger. In a 2010 study, Naperville was named the wealthiest city in the Midwest and eleventh in the nation with a population over 75,000. As of the 2010 census, the city had a total population of 141,853, which was estimated to have increased to 143,684 by July 2012. It is the fifth-largest city in Illinois, preceded by Chicago, Aurora, Rockford, and Joliet. Approximately 95,000 Napervillians live on the DuPage County side, while about 45,000 reside on the Will County side. Once a quaint farming town, Naperville has evolved into an affluent city.

The Naperville Historic District is a set of 613 buildings, located in the older eastern section of Naperville and is listed on the National Register of Historic Places.

en.wikipedia.org/wiki/Naperville,_Illinois