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.
Brooklyn Township is one of twenty-two townships in Lee County, Illinois, USA. As of the 2010 census, its population was 793 and it contained 358 housing units. In September 1858, Reynolds Township was formed from part of Brooklyn Township.
Andover Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 954 and it contained 395 housing units.
Burns Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 265 and it contained 130 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.
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.
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.
Western Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 3,053 and it contained 1,240 housing units. Western changed its name from Orion Township on April 13, 1857.
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.
Henderson Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 1,135 and it contained 529 housing units.
Lynn Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 309 and it contained 171 housing units.
Ontario Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 943 and it contained 411 housing units.
Woodville Township is one of thirteen townships in Greene County, Illinois, USA. As of the 2010 census, its population was 239 and it contained 128 housing units.
United States 
Illinois 
