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West Middlesex

1. West Middlesex, Pennsylvania, United States [Borough]; population was 982 in 1990; housing units was 410 in 1990; location is 41°10'N 80°27'W; land area is 0.95 square miles (605 acres); water area is 0.00 square miles (1 acres); FIPS code is 83496 [SourceCBP]
2. West Middlesex, Pennsylvania, United States [Populated Place] is in Mercer County; location is 41°10'27"N 80°27'13"W [SourceGSP]
3. West Middlesex, Pennsylvania, United States Postal Service Zip Code is 16159 [SourcePSZ]