Bradford Township is one of twenty-two townships in Lee County, Illinois, USA. As of the 2010 census, its population was 324 and it contained 124 housing units. Ashton Township (originally called Ogle Township) was formed from part of Bradford Township on February 12, 1861.
According to the 2010 census, the township has a total area of , of which (or 99.92%) is land and (or 0.08%) is water.
The township contains these two cemeteries: Bradford and Gehant Farm.