Henry County is a county located in the U.S. state of Illinois. The 2020 United States Census, listed its population at 49,284. Its county seat is Cambridge.
Clayton Township is one of twenty-two townships in Adams County, Illinois, United States. As of the 2020 census, its population was 958 and it contained 474 housing units.
St. Charles Township is one of sixteen townships in Kane County, Illinois, USA. As of the 2010 census, its population was 50,854 and it contained 19,043 housing units.
Alba Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 220 and it contained 95 housing units. Alba Township changed its name from Elba Township on April 13, 1857. The name may be derived from Elba, New York, the native home of a share of the early settlers.
Annawan Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 1,112 and it contained 515 housing units.
Cambridge Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 2,525 and it contained 1,070 housing units.
Colona Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 6,822 and it contained 2,773 housing units. Colona Township changed its name from Green River Township on April 13, 1857.
Cornwall Township is one of twenty-four townships in Henry County, Illinois, US. At the 2010 census, its population was 278 and it contained 119 housing units.
Edford Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 667 and it contained 284 housing units.
Geneseo Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 7,468 and it contained 3,407 housing units.
Hanna Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 2,344 and it contained 923 housing units.
Loraine Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 290 and it contained 122 housing units.
Lynn Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 745 and it contained 311 housing units. Lynn changed its name originally from Linn Grove Township to Lynnville Township on April 13, 1857, and then again from Lynnville to Lynn on an unknown date.
Munson Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 400 and it contained 132 housing units. Munson changed its name from Centre township on April 13, 1857.
Osco Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 459 and it contained 193 housing units. Osco changed its name from Essex Township on April 13, 1857.
Oxford Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 1,213 and it contained 554 housing units.
Phenix Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 1,672 and it contained 654 housing units.
Weller Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 422 and it contained 197 housing units.
Yorktown Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 431 and it contained 190 housing units.
Terre Haute Township is one of eleven townships in Henderson County, Illinois, USA. As of the 2010 census, its population was 263 and it contained 122 housing units.
United States 
Illinois 
