Greendale is an unincorporated community in Clay and Marion counties, Illinois, United States. Greendale is located on U.S. Route 50 west of Xenia and east of Iuka.
References
Municipalities and communities of Clay County, Illinois, United States | ||
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| City |  | |
| Villages | ||
| Townships | ||
| Unincorporated communities | ||
| Ghost towns | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
Municipalities and communities of Marion County, Illinois, United States | ||
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| Cities |  | |
| Villages | ||
| Townships | ||
| Unincorporated communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |