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Mercersburg

1. Mercersburg, Pennsylvania, United States [Borough]; population was 1,640 in 1990; housing units was 727 in 1990; location is 39°50'N 77°54'W; land area is 0.97 square miles (624 acres); FIPS code is 48704 [SourceCBP]
2. Mercersburg, Pennsylvania, United States [Populated Place] is in Franklin County; location is 39°49'40"N 77°54'13"W [SourceGSP]
3. Mercersburg, Pennsylvania, United States Postal Service Zip Code is 17236 [SourcePSZ]