Illinois - Area of significance: Health/Medicine
| Berwyn Health Center |
| Burns, Dr. William, House |
| Chicago Municipal Tuberculosis Sanitarium District |
| Cook County Hospital Administration Building |
| Copley Hospital |
| Danville Branch, National Home for Disabled Volunteer Soldiers Historic District |
| Dement-Zinser House |
| Fairview Sanatorium |
| Hines, Edward Jr., Veterans Administration Hospital Historic District |
| Kankakee State Hospital Historic District |
| Marion Veterans Administration Hospital Historic District |
| Oughton, John R., House |
| Pope Brace Company Building |
| Spafford, Amos Catlin, House |
| St. Charles Hospital |
| St. Luke's Hospital Complex |
| Vienna Public Library |
| Weir, John, House |
| Williams, Dr. Daniel Hale, House |
Data from United States Park Service and Wikidata
