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ZIP CodeStandard

21104

Marriottsville, MD

ZIP Code 21104 in Marriottsville, MD has a population of 5,686 and a median household income of $191,804. Explore Census demographics, housing, and a map.

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
5,686
People
Median age
43.1
Housing
Total households
2,097
Income
Median household income
$191,804
Housing
Total housing units
2,204
Employment
Employment rate
70.2%
Education
Bachelor’s degree or higher
64.4%
Healthcare
Insured population
94.7%
ZIP details
Local time 03:08:53(ET)
LocationMarriottsville, MD
CountyHoward
Area code
TimezoneEastern Time (ET)
Coordinates39.3469035, -76.9127573
Land area17.1 sq miles(44,163,671 m²)

Map of ZIP Code 21104 — Marriottsville, MD

Map of ZIP Code 21104 — Marriottsville, MD

Nearby ZIP codes

ZIP codes near 21104.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS