City Stats
ZIP Code

ZIP Code 21104

Marriottsville, Howard County, Maryland MD

Population

6,052

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Density

137/sq mi

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Timezone

America/New_York

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Safety Score

50

50

Average

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Overview

ZIP code 21104 is located in Marriottsville, Howard County, Maryland. The area has a population of approximately 6,052 residents with a population density of 137 per square mile. It is in the America/New_York timezone.