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U.S. ZIP Code 21661
5-digit United States postal code #21661, Rock Hall, MD
ZIP code 21661 is located in the city (place name) Rock Hall, сounty Kent in the state of Maryland. The population in ZIP code 21661 is 2653 and the population density is 31.6. ZIP code 21661 refers to сounty Kent having сounty FIPS 24029, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24029: 100%. In the area of the ZIP code 21661 valid time zone America/New_York.
ZIP: 21661
County: Kent
Place Name: Rock Hall
State: Maryland
State Abbreviation: MD
Coordinates: 39° 7' 40.908" N, 76° 13' 12.504" W
Latitude: 39.128030000000
Longitude: -76.220140000000
Population: 2653
Density: 31.6/km2
Time zone: America/New_York
County FIPS: 24029
All county weights: 24029: 100%