21104   Zip Code Marriottsville Howard MD United States

City Marriottsville
County Howard
State Maryland
Latitude 39.35044
Longitude -76.90654
Population 5,786
Density 339.38 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $199,803
Median individual: $74,844

Race

Mode: 75.9% White

Gender

 51.7% female 

Rent

No data available.

Age

Median: 46.0 years old

Education

With at least college degree: 63.3%
With STEM degree: 55.3%

Marital Status

 65.1% married 

Never married: 22.7%

Labor Force Participation

 69.6% working 

Unemployed: 2.5%

Average Family Size

 3.29 people 

Commute Time

 30.4 minutes 

Health Care

 3.9% uninsured 

Poverty

 2.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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