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Illiopolis

1. Illiopolis, Illinois, United States [Populated Place] is in Sangamon County; location is 39°51'13"N 89°14'31"W; elevation is 602 feet [SourceGSP]
2. Illiopolis, Illinois, United States [Village]; population was 934 in 1990; housing units was 381 in 1990; location is 39°51'N 89°15'W; land area is 0.44 square miles (281 acres); FIPS code is 37127 [SourceCBP]
3. Illiopolis, Illinois, United States Postal Service Zip Code is 62539 [SourcePSZ]