Grundy County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 52,533. Its county seat is Morris.
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.
Essex Township is one of seventeen townships in Kankakee County, Illinois, USA. As of the 2010 census, its population was 1,480 and it contained 686 housing units.
Winfield Township is one of nine townships in DuPage County, Illinois, USA. As of the 2020 census, its population was 45,836 and it contained 16,445 housing units. It is the least populous of the DuPage County Townships.
Leepertown Township is one of twenty-five townships in Bureau County, Illinois, USA. As of the 2020 census, its population was 333 and it contained 164 housing units. Leepertown Township changed its name from Leipertown Township on an unknown date.
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.
Santa Fe Township is one of fifteen townships in Clinton County, Illinois, USA. As of the 2020 census, its population was 1,195 and it contained 510 housing units. The township was formed from part of Germantown and Carlyle townships.
Aux Sable Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 13,061 and it contained 4,433 housing units.
Braceville Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 6,467 and it contained 2,510 housing units.
Erienna Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 2,217 and it contained 880 housing units.
Felix Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 4,427 and it contained 1,919 housing units.
Garfield Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 1,586 and it contained 673 housing units.
Maine Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 330 and it contained 120 housing units.
Mazon Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 1,487 and it contained 621 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.
Norman Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 308 and it contained 123 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.
Vienna Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 687 and it contained 266 housing units.
Wauponsee Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 2,423 and it contained 939 housing units.
Highland Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 288 and it contained 129 housing units.
