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U.S. ZIP Code 21057
5-digit United States postal code #21057, Glen Arm, MD
ZIP code 21057 is located in the city (place name) Glen Arm, сounty Baltimore in the state of Maryland. The population in ZIP code 21057 is 4112 and the population density is 94.5. ZIP code 21057 refers to сounty Baltimore having сounty FIPS 24005, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24005: 100%. In the area of the ZIP code 21057 valid time zone America/New_York.
ZIP: 21057
County: Baltimore
Place Name: Glen Arm
State: Maryland
State Abbreviation: MD
Coordinates: 39° 27' 1.728" N, 76° 30' 23.364" W
Latitude: 39.450480000000
Longitude: -76.506490000000
Population: 4112
Density: 94.5/km2
Time zone: America/New_York
County FIPS: 24005
All county weights: 24005: 100%