As of the 2010 census, its population was 5,906 and it contained 2,651 housing units.

[2] Monticello is Township 18 North, Range 6 East and part of Township 18 North, Range 5 East of the Third Principal Meridian.

[2] The streams of Camp Creek and Goose Creek are tributaries of the Sangamon River which runs through this township.

Barnes Cemetery is in Section 1, T. 18 N., R. 6 E. Haneline School No.

69 (Section 23, T. 18 N., R. 5 E.), a brick building, is now a residence on Allerton Road.