Ustick Township is located in Whiteside County, Illinois. As of the 2010 census, its population was 613 and it contained 250 housing units. Geography According to the 2010 census, the township has a total area of , of which (or 99.97%) is land and (or 0.03%) is water. Demographics Notable person Alfred N. Abbott (1862-1929), farmer and Illinois state representative, was born on a farm in Ustick Township. References Townships in Whiteside County, Illinois Townships in Illinois