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Mount Aetna

1. Mount Aetna, Maryland, United States [CDP]; population was 3,608 in 1990; housing units was 1,641 in 1990; location is 39°37'N 77°40'W; land area is 4.20 square miles (2,688 acres); FIPS code is 53750 [SourceCBP]
2. Mount Aetna, Maryland, United States [Place] is in Washington County; location is 39°36'8"N 77°37'28"W [SourceGSP]
3. Mount Aetna, Pennsylvania, United States [Place] is in Berks County; location is 40°25'9"N 76°17'44"W; elevation is 614 feet [SourceGSP]
4. Mount Aetna, Pennsylvania, United States Postal Service Zip Code is 19544 [SourcePSZ]