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Old Monroe

1. Old Monroe, Missouri, United States [City]; population was 242 in 1990; housing units was 109 in 1990; location is 38°56'N 90°45'W; land area is 0.15 square miles (95 acres); FIPS code is 54416 [SourceCBP]
2. Old Monroe, Missouri, United States [Populated Place] is in Lincoln County; location is 38°55'54"N 90°44'48"W [SourceGSP]
3. Old Monroe, Missouri, United States Postal Service Zip Code is 63369 [SourcePSZ]