Prairie du Rocher, Illinois
Prairie du Rocher | |
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A grain elevator in Prairie du Rocher | |
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Location of Prairie du Rocher in Randolph County, Illinois. | |
| Coordinates: 38°04′54″N 90°05′51″W / 38.08167°N 90.09750°W | |
| Country | United States |
| State | Illinois |
| County | Randolph |
| Precinct | Prairie du Rocher |
| Founded | 1722 |
| Area | |
• Total | 0.57 sq mi (1.48 km2) |
| • Land | 0.57 sq mi (1.48 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Elevation | 390 ft (120 m) |
| Population (2020) | |
• Total | 502 |
| • Density | 878.6/sq mi (339.24/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 62277 |
| Area code | 618 |
| FIPS code | 17-61639 |
| GNIS feature ID | 2399019 |
Prairie du Rocher ("The Rock Prairie" in French) is a village in Randolph County, Illinois, United States. Founded in the French colonial period in the Midwest, the community is located near bluffs that flank the east side of the Mississippi River along the floodplain often called the "American Bottom". The population was 502 at the 2020 census.