Harmony is an unincorporated community in Jefferson County, Illinois, United States. Harmony is 8.5 miles (13.7 km) northeast of Mount Vernon.
References
Municipalities and communities of Jefferson County, Illinois, United States | ||
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| Cities |  | |
| Villages | ||
| Townships | ||
| CDP | ||
| Other unincorporated communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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