Ganntown is an unincorporated community in Johnson County, Illinois, United States. The community is located along County Route 10 7.2 miles (11.6 km) east-southeast of Vienna.[2]
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| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 62943 | Ganntown | IL | 37.36339 | -88.78423 |