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Rock Hall

1. Rock Hall, Maryland, United States [Place] is in Frederick County; location is 39°16'7"N 77°31'35"W [SourceGSP]
2. Rock Hall, Maryland, United States [Place] is in Kent County; location is 39°8'17"N 76°14'7"W; elevation is 25 feet; was named in year 1938 [SourceGSP]
3. Rock Hall, Maryland, United States [Town]; population was 1,584 in 1990; housing units was 808 in 1990; location is 39°8'N 76°14'W; land area is 1.33 square miles (852 acres); water area is 0.22 square miles (142 acres); FIPS code is 67400 [SourceCBP]
4. Rock Hall, Maryland, United States Postal Service Zip Code is 21661 [SourcePSZ]