One Illinois Center in Chicago
| Height | 110 m (362 ft) ▼ |
| Tip Height | 110 m (362 ft) |
| Floors | 30 |
| Construction Year | 1970 |
| Structural Form | skyscraper |
| Main Usage | commercial office |
| Status | completed |
| Architectural Style | international style |
| Address | 111 East Wacker Drive |
| City | Chicago |
| Country | United States |