Macon County
- Decatur, First Macon County Courthouse, Fairview Park (moved from Main Street) (HABS IL-222)
- Decatur, Governor Oglesby Mansion, 421 West William Street (covenant, EXPIRED)
- Decatur, Illinois National Guard Armory, 400 East Eldorado Street (covenant)
- Decatur, James Millikin Homestead, 125 Pine Street (covenant, EXPIRED)
- Decatur, Johns Hill School & Boiler House, 1025 East Johns Avenue (HABS IL-1264)
- Decatur, Staley Pumping Station & Club House, Lake Decatur, North of U.S. Highway 36 (HABS IL-1258)
- Decatur, 575 West Main Street (HIBS M-1997-1)
- Oreana, Elevated Water Storage Tank (HAER IL-1199)