21012   Zip Code Arnold Anne Arundel MD United States

City Arnold
County Anne Arundel
State Maryland
Latitude 39.04529
Longitude -76.49716
Population 22,570
Density 2308.55 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $139,432
Median individual: $70,503

Race

Mode: 81.9% White

Gender

 50.4% female 

Rent

  $2166 / month  

Median house value: $561,153.0

Age

Median: 38.0 years old

Education

With at least college degree: 57.5%
With STEM degree: 46.1%

Marital Status

 59.2% married 

Never married: 27.0%

Labor Force Participation

 70.5% working 

Unemployed: 2.7%

Average Family Size

 3.15 people 

Commute Time

 28.2 minutes 

Health Care

 2.4% uninsured 

Poverty

 3.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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