Henderson Township is one of twenty-one townships in Knox County, Illinois, USA.

As of the 2010 census, its population was 1,135 and it contained 529 housing units.

[2] According to the 2010 census, the township has a total area of 33.79 square miles (87.5 km2), all land.

[2] (This list is based on USGS data and may include former settlements.)

The township contains these nine cemeteries: Fuller, Galesburg Research, Gum, Henderson, Henderson Grove, Junk, Oak Lawn Memorial Gardens, Rice-Blue and Soperville.