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U.S. ZIP Code 21770
5-digit United States postal code #21770, Monrovia, MD
ZIP code 21770 is located in the city (place name) Monrovia, сounty Frederick in the state of Maryland. The population in ZIP code 21770 is 5164 and the population density is 180.6. ZIP code 21770 refers to сounty Frederick having сounty FIPS 24021, the ratio of people from different counties in this ZIP code is as follows: all county weights - 24021: 100%. In the area of the ZIP code 21770 valid time zone America/New_York.
ZIP: 21770
County: Frederick
Place Name: Monrovia
State: Maryland
State Abbreviation: MD
Coordinates: 39° 21' 6.3" N, 77° 15' 24.516" W
Latitude: 39.351750000000
Longitude: -77.256810000000
Population: 5164
Density: 180.6/km2
Time zone: America/New_York
County FIPS: 24021
All county weights: 24021: 100%