Sangamon County is located in the center of the U.S. state of Illinois. According to the 2020 census, it had a population of 196,343. Its county seat and largest city is Springfield, the state capital.
Buffalo is a village in Mechanicsburg Township in Sangamon County, Illinois, United States. The population was 503 at the 2010 census. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Clear Lake is an unincorporated community and former incorporated village in Sangamon County, Illinois, United States. The population was 267 at the 2000 census. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Illiopolis is a village in Sangamon County, Illinois, United States. The population was 891 at the 2010 census. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Buffalo Hart Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 173 and it contained 83 housing units. The township centers on the crossroads unincorporated community of Buffalo Hart and on the adjacent Buffalo Hart Grove, the remains of a historic grove of trees that once stood out amongst the tallgrass prairie of the pioneer township.
Cooper Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 893 and it contained 345 housing units.
Curran Township is a township in Sangamon County, Illinois. As of the 2010 census, its population was 1,586, and it contained 662 housing units.
Divernon Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 1,510 and it contained 677 housing units. Divernon Township formed from Pawnee Township on an unknown date, but before 1921.
Fancy Creek Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 5,410 and it contained 2,074 housing units. Fancy Creek Township changed its name from Power Township on September 11, 1861. The township annexed the eastern half of Salisbury Township in 1989, thereby increasing in size.
Gardner Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 4,245 and it contained 1,732 housing units. The township contains the unincorporated communities of Bradfordton and Salisbury.
Illiopolis Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 1,314 and it contained 555 housing units.
Island Grove Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 621 and it contained 273 housing units.
Maxwell Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 193 and it contained 72 housing units. Maxwell Township formed from a portion of Loami Township on an unknown date, but sometime prior to 1921.
New Berlin Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 1,524 and it contained 634 housing units. New Berlin Township was formed from a portion of Island Grove Township on March 3, 1869.
Williams Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 3,446 and it contained 1,332 housing units.
Sangamon Valley Township is one of eleven townships in Cass County, Illinois, USA. As of the 2020 census, its population was 330 and it contained 160 housing units.
Mosquito Township is one of seventeen townships in Christian County, Illinois, USA. As of the 2020 census, its population was 346 and it contained 160 housing units.
Niantic Township is located in Macon County, Illinois. As of the 2010 census, its population was 842 and it contained 351 housing units.
Bois D'Arc Township is located in Montgomery County, Illinois, United States. As of the 2010 census, its population was 956 and it contained 451 housing units.
The Springfield Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in Central Illinois, anchored by the city of Springfield. As of the 2000 census, the MSA had a population of 201,437.
