Monticello Township is a township in Piatt County, Illinois, USA. As of the 2010 census, its population was 5,906 and it contained 2,651 housing units.
Geography Monticello is Township 18 North, Range 6 East and part of Township 18 North, Range 5 East of the Third Principal Meridian.
According to the 2010 census, the township has a total area of , of which (or 99.88%) is land and (or 0.12%) is water. The streams of Camp Creek and Goose Creek are tributaries of the Sangamon River which runs through this township.
Cities and towns Monticello (large majority)
Adjacent townships Sangamon Township (north) Scott Township, Champaign County (northeast) Colfax Township, Champaign County (east) Sadorus Township, Champaign County (southeast) Bement Township (south) Willow Branch Township (west) Goose Creek Township (northwest)
Cemeteries The township contains several cemeteries: Haneline (Section 14, T. 18 N., R. 5 E.), Monticello, Monticello and Woolington. Barnes Cemetery is in Section 1, T. 18 N., R. 6 E.
Schools Haneline School No. 69 (Section 23, T. 18 N., R. 5 E.), a brick building, is now a residence on Allerton Road.
Major highways Interstate 72 Illinois State Route 105
Airports and landing strips Piatt County Airport
Demographics
As of 2025, Monticello township had a population of 6,154, with a median age of 46.7.
References U.S. Board on Geographic Names (GNIS) United States Census Bureau cartographic boundary files
External links
US-Counties.com City-Data.com Illinois State Archives