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.'Death Claims Hon. A. N. Abbott This Morning,' Sterling Daily Gazette, September 14, 1929, pg. 12
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