21157   Zip Code Westminster Carroll MD United States

City Westminster
County Carroll
State Maryland
Latitude 39.54889
Longitude -76.98162
Population 38,984
Density 501.81 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: $104,966
Median individual: $46,315

Race

Mode: 85.5% White

Gender

 51.9% female 

Rent

  $1331 / month  

Median house value: $424,017.0

Age

Median: 43.2 years old

Education

With at least college degree: 37.9%
With STEM degree: 47.8%

Marital Status

 54.2% married 

Never married: 28.8%

Labor Force Participation

 66.0% working 

Unemployed: 4.1%

Average Family Size

 2.98 people 

Commute Time

 31.0 minutes 

Health Care

 4.0% uninsured 

Poverty

 6.7%

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

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