Janesville Cemetery is located in Pleasant Grove Twp, Coles County, Illinois, located at latitude - longitude coordinates of N 39.37976 and W -88.24949, about 1/4 mile west and 1/4 mile north of the town of Janesville.
Janesville is located about 10 miles south of Charleston on the Lincoln Highway Road and sits on the Coles-Cumberland County line, with about 1/2 of the town in each county.
Use of the land for the cemetery was donated by the Gordon family, who kept the deed for the property in their name.
The cemetery is also known as New Gordon Cemetery.