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ZIP Code 21104

Marriottsville, Maryland, United States

Standard ZIP Eastern Time (ET)
6,052
Population
137
Per sq mile
Howard
County

About ZIP Code 21104

ZIP code 21104 is assigned to Marriottsville, Howard County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 6,052 with a density of 137 people per square mile.

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Location Details

ZIP Code21104
CityMarriottsville
CountyHoward County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.3504
Longitude-76.9065
ZIP TypeStandard ZIP

Post Office

Address3608 OFFUTT RD
CityRANDALLSTOWN
StateMD

Nearby ZIP Codes in Maryland

21163
Woodstock
21042
Ellicott City
21784
Sykesville
21794
West Friendship
21133
Randallstown
21723
Cooksville

Frequently Asked Questions

What city is ZIP code 21104 in?

ZIP code 21104 is in Marriottsville, Howard County, Maryland, United States.

What county is ZIP code 21104 in?

ZIP code 21104 is in Howard County, Maryland.

What timezone is ZIP code 21104 in?

ZIP code 21104 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 21104?

The estimated population of ZIP code 21104 is 6,052 people with a density of 137 people per square mile.

What state is ZIP code 21104 in?

ZIP code 21104 is in Maryland (MD), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.