Geneseo is a city in Henry County, Illinois, United States. The population was 6,586 at the 2010 census, up from 6,571 at the 2000 census. Geneseo is located 20 miles east of The Quad Cities and Geneseo is part of the Quad Cities Metro Area.
Geneseo is known for its Victorian style homes and its "Rockwellian quaintness." It is often compared to the Andy Griffith Show and its town, Mayberry.
During the month of December, Geneseo hosts an annual "Christmas Walk." Until 2008 the annual "Christmas Walk" was known as the "Victorian Walk." Downtown businesses offer in store hospitality and feature live window displays depicting holiday traditions from different decades, 2008 will feature the 1940s.