Henderson is a village in Knox County, Illinois, United States. The population was 266 at the 2020 census. [3] It is part of the Galesburg Micropolitan Statistical Area.
Welcome to our dedicated page for Henderson, located in the state of Illinois, Knox County. Here, you will find detailed information about this city, including its geographical location, population data, administrative services, and local resources.
According to our research of Illinois and other state lists, there were 9 registered sex offenders living in Henderson, Illinois as of September 24, 2025. The ratio of all residents to sex offenders in Henderson is 25 to 1.
Henderson is a village located in the county of Macoupin in the U.S. state of Illinois. Its population at the 2010 census was 255 and a population density of 944 people per km².
Henderson is a town in Illinois with a population of 253. Henderson is in Knox County. Living in Henderson offers residents a rural feel and most residents own their homes. In Henderson there are a lot of bars. Residents of Henderson tend to lean conservative.
The streets of Henderson are lined with quaint shops and restaurants, offering everything from antiques to delicious home-cooked meals. There's no shortage of outdoor activities either, with plenty of parks, trails, lakes, and golf courses to explore.
