The 40th Legislative District contains portions of the southland as well as a majority of Kankakee County, an eastern portion of Will County and southeastern Grundy County.
County Government:
City, Town & Village Government:
| Aroma Park Beecher Bonfield Bourbonnais Braceville Bradley Buckingham Cabery Chicago Heights Chebanse Coal City Diamond East Brooklyn Essex Flossmoor Frankfort |
Gardner Glenwood Godley Hazel Crest Herscher Homewood Hopkins Park Irwin Kankakee Limestone Manhattan Matteson Mokena Momence Monee |
New Lenox Olympia Fields Park Forest Peotone Reddick Richton Park St. Anne Sammons Point South Chicago Heights South Wilmington Steger Sun River Terrace Union Hill University Park Wilmington |
