21045   Zip Code Columbia Howard MD United States

City Columbia
County Howard
State Maryland
Latitude 39.20622
Longitude -76.82747
Population 40,034
Density 4129.27 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: $118,563
Median individual: $59,396

Race

Mode: 40.3% White

Gender

 52.0% female 

Rent

  $1777 / month  

Median house value: $455,400.0

Age

Median: 39.6 years old

Education

With at least college degree: 56.6%
With STEM degree: 56.3%

Marital Status

 47.2% married 

Never married: 34.1%

Labor Force Participation

 70.1% working 

Unemployed: 5.4%

Average Family Size

 3.16 people 

Commute Time

 27.3 minutes 

Health Care

 6.0% uninsured 

Poverty

 8.6%

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

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