Illinois - Area of significance: Architecture
| Deerpath Inn |
| Delavan Commercial Historic District |
| Delaware Building |
| Delta Upsilon Fraternity House |
| Dement-Zinser House |
| Denhart Bank Building |
| Denkmann-Hauberg House |
| Des Plaines Methodist Camp Ground |
| Dewes, Francis J., House |
| Dewey House |
| Dilg, Herbert A., House |
| Dilworth, Robert, House |
| Dixon Downtown Historic District |
| Dorhmann-Buckman House |
| Downtown Aledo Historic District |
| Downtown East St. Louis Historic District |
| Downtown Hinsdale Historic District |
| Downtown Joliet Historic District |
| Downtown Momence Historic District |
| Downtown Oswego Historic District |
| Downtown Peoria Historic District |
| Downtown Peotone Historic District |
| Downtown Plainfield Historic District |
| Downtown Quincy Historic District |
| Downtown Rock Island Historic District |
| Downtown Urbana Historic District |
| Drake Hotel |
| Draser, George, Jr., House |
| Drucker, Robert and Suzanne, House |
| Drummond, William E., House |
| Dryden, George B., House |
| Dubin, Henry, House |
| Dulaney, Robert L., House |
| Duncan, Joseph, House |
| Duncan Manor |
| Dundee Township Historic District |
| Dunham, Arthur J., House |
| Dunnan-Hampton House |
| Du Page County Courthouse |
| Dupont, John, House |
| Du Quoin State Fairgrounds |
| Durell, William Franklin and Rebecca, House |
| Durham-Perry Farmstead |
| Dutch Mill |
| Duvall-Ash Farmstead |
| Dwight Chicago and Alton Railroad Depot |
| Dycus, Floyd and Glenora, House |
| Eagle Hotel |
| East Dubuque School |
| East Grove Street District-Bloomington |
| East Park Towers |
| East Ravenswood Historic District |
| East Rockford Historic District |
| East Waterford School |
| Ebenezer Methodist Episcopal Chapel and Cemetery |
| Ebenezer Missionary Baptist Church |
| Edgar County Courthouse |
| Edgewater Beach Apartments |
| Edgewater Glen Historic District |
| Edison Park |
| Edwards Place |
| Edwardsville Chapter House |
| Effingham County Courthouse |
| Egyptian Theatre |
| Eldred, James John, House |
| Elgin Downtown Commercial District |
| Elgin Historic District |
| Elgin Tower Building |
| Eli and Jeanne Lipman House |
| Elizabeth Place |
| Elliott Street Historic District |
| Elm Street Court |
| El Paso Public Library |
| Elsah Historic District |
| Ely, Mrs. C. Morse, House |
| Emerson-Keith House |
| Emery, Jr., William H., House |
| Emmanuel Episcopal Church |
| Emmel Building |
| Emmert-Zippel House |
| Episcopal Church of the Atonement and Parish House, The |
| Epworth Methodist Episcopal Church |
| Eugene Field Park |
| Eureka College Administration and Chapel |
| Eureka College Campus Historic District |
| Evanston Lakeshore Historic District |
| Evanston Ridge Historic District |
| Evanston Towers |
| Evert House |
| Fabyan Villa |
| Fagen, Mildred and Abel, House |
| Falconer Bungalow Historic District |
| Farm House |
| Farnsworth House |
| Fehr, Charles, Round Barn |
| Felt, Cyrus, House |
| Field, Marshall, Garden Apartments |
| Field Museum of Natural History |
| Fire Barn 5 |
| First Church of Lombard |
Data from United States Park Service and Wikidata
