Union Township is located in Livingston County, Illinois. As of the 2010 census, its population was 240 and it contained 98 housing units. Union Township formed from Odell Township in 1864. Geography According to the 2010 census, the township has a total area of , of which (or 99.91%) is land and (or 0.09%) is water. Demographics References External links US Census City-data.com Illinois State Archives Townships in Livingston County, Illinois Populated places established in 1864 Townships in Illinois 1864 establishments in Illinois