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Prairie Du Rocher

1. Prairie du Rocher, Illinois, United States [Populated Place] is in Randolph County; location is 38°4'59"N 90°5'45"W; elevation is 396 feet [SourceGSP]
2. Prairie du Rocher, Illinois, United States [Village]; population was 540 in 1990; housing units was 228 in 1990; location is 38°5'N 90°6'W; land area is 0.56 square miles (360 acres); FIPS code is 61639 [SourceCBP]
3. Prairie Du Rocher, Illinois, United States Postal Service Zip Code is 62261 (Modoc), 62277 [SourcePSZ]