Grundy County is a county in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris.
Mazon is a village in Mazon Township, Grundy County, Illinois, United States. The population was 1,015 at the 2010 census. The center of population of Illinois is located in Mazon. Illinois' State Fossil, the unique and bizarre Tully Monster was first found in nearby Mazon Creek. Mazon was formerly served by the Santa Fe railway at the Mazon Depot. It was established in 1876.
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.
Fairview Township is one of 26 townships in Fulton County, in the U.S. state of Illinois. As of the 2010 census, its population was 698 and it contained 303 housing units.
Ricks Township is one of seventeen townships in Christian County, Illinois, USA. As of the 2010 census, its population was 1,223 and it contained 537 housing units.
Moccasin Township is one of fifteen townships in Effingham County, Illinois, USA. As of the 2010 census, its population was 484 and it contained 219 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.
Goodfarm Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 376 and it contained 141 housing units.
Goose Lake Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 1,674 and it contained 774 housing units.
Greenfield Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 census, its population was 997 and it contained 441 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.
Morris Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2010 United States Census, its population was 7,110 and it contained 3,299 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.
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.
