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.
Ellington Township is one of twenty-two townships in Adams County, Illinois, United States. As of the 2020 census, its population was 2,820 and it contained 1,140 housing units. The southwest corner of the township is now part of Quincy Township.
Barrington Township is one of 29 townships in Cook County, Illinois, USA. As of the 2020 census, its population was 16,514 and it contained 6,172 housing units. The northwestern corner of the Cook County panhandle, it is the county's northwesternmost township. It is also by far the least densely populated township in the county, with less than half the population density of the next least Lemont Township.
Neponset Township is one of twenty-five townships in Bureau County, Illinois, USA. As of the 2020 census, its population was 658 and it contained 313 housing units. Neponset Township changed its name from Brawby Township on 5 March 1866.
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.
Clover Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 938 and it contained 428 housing units. Clover Township was originally known as Ashnelet Township, but was changed on an unknown date.
Kewanee Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 10,162 and it contained 4,608 housing units.
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.
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.
Wethersfield Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2010 census, its population was 3,935 and contained 1,827 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.
Walnut Grove Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 770 and it contained 329 housing units.
Deerfield Township is one of twenty-six townships in Fulton County, Illinois, USA. As of the 2010 census, its population was 261 and it contained 137 housing units.
Harris Township is one of twenty-six townships in Fulton County, Illinois, USA. As of the 2010 census, its population was 368 and it contained 179 housing units.
Button Township is one of twelve townships in Ford County, Illinois, USA. As of the 2010 census, its population was 281 and it contained 116 housing units. The township was formed from a portion of Patton Township in December 1864.
Kaskaskia Township is one of twenty townships in Fayette County, Illinois, USA. As of the 2010 census, its population was 650 and it contained 289 housing units.
Nettle Creek Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 503 and it contained 187 housing units.
Saratoga Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 6,122 and it contained 2,541 housing units.
Willow Hill Township is one of eleven townships in Jasper County, Illinois, USA. As of the 2010 census, its population was 639 and it contained 279 housing units.
United States 
Illinois 
