Batavia is a suburb of Chicago. It was founded in 1833, and is the oldest city in Kane County, Illinois, with a small portion in DuPage County. During the Industrial Revolution, Batavia became known as ‘The Windmill City’ for being the largest windmill producer of the time. Fermilab, a federal-government-sponsored high-energy physics laboratory, where both the bottom quark and the top quark were first detected, is located in the city. Batavia is part of a Tri-Cities area, along with St. Charles and Geneva. As of the 2010 census, the city had a total population of 26,045, which was estimated to have increased to 26,318 by July 2012.