| Walnut Prairie, Illinois | |
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| — Unincorporated community — | |
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Walnut Prairie, Illinois
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| Coordinates: | |
| Country | United States |
| State | Illinois |
| County | Clark |
| Elevation | 482 ft (147 m) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| Area code(s) | 217 |
| GNIS feature ID | 420478[1] |
Walnut Prairie is an unincorporated community in Clark County, Illinois, United States, that is located along Illinois Route 1 11 miles (18 km) south of Marshall.
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