Springfield, Illinois is the capital city of the U.S. state of Illinois and the county seat and largest city of Sangamon County.23 It has a population of 116,250 as of the 2010 U.S. Census, making it the state's sixth most-populous city, the second largest outside of the Chicago metropolitan area (after Rockford), and the largest in central Illinois.3 The city is home to the Abraham Lincoln Presidential Library and Museum, the Illinois State Capitol, and a wide variety of attractions, including museums, historic sites, special events, and cultural activities.