Henderson is a village in Knox County, Illinois, United States. The population was 255 at the 2010 census, down from 319 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.
henderson is a village in knox county illinois united states the population was 255 at the 2010 census down from 319 at the 2000 census it is part of the galesburg micropolitan statistical area