Illinois - Area of significance: Education
| Old Chicago Historical Society Building |
| Old Danish Church |
| Old Main |
| Old Main, Almira College |
| Old Main, Augustana College |
| Old Main Building |
| Olney Carnegie Library |
| Oregon Public Library |
| Overton, Anthony, Elementary School |
| Paris Carnegie Public Library |
| Parlin Library |
| Paxton Carnegie Public Library |
| Pemberton Hall and Gymnasium |
| Phi Delta Theta Fraternity House |
| Phi Mu Sorority House |
| Pittsfield East School |
| Point School |
| Princeton Chapter House |
| Quinby, Ivory, House |
| Ricker, Nathan C., House |
| Rockford Woman’s Club |
| Route 66 South of Lake Springfield |
| Shelbyville Historic District |
| Shiloh College |
| Sigma Alpha Epsilon Fraternity House |
| Smith, A. Herr and E. E., Public Library |
| South Henderson Church and Cemetery |
| South Side School |
| St. Ignatius College |
| Streator Public Library |
| University of Illinois Observatory |
| Upper Alton Historic District |
| Vienna Public Library |
| Waukegan Public Library |
| Western Illinois State Normal School Building |
| White, Louise, School |
| White Oak Hall |
| Yorkville School |
| Zion Chapter House |
Data from United States Park Service and Wikidata
