21639   Zip Code Greensboro Caroline MD United States

City Greensboro
County Caroline
State Maryland
Latitude 38.96533
Longitude -75.7928
Population 4,682
Density 141.45 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: $62,772
Median individual: $40,552

Race

Mode: 66.6% White

Gender

 53.5% female 

Rent

  $1107 / month  

Median house value: $274,634.0

Age

Median: 37.7 years old

Education

With at least college degree: 13.5%
With STEM degree: 44.5%

Marital Status

 47.5% married 

Never married: 31.2%

Labor Force Participation

 62.6% working 

Unemployed: 2.1%

Average Family Size

 3.58 people 

Commute Time

 38.8 minutes 

Health Care

 11.9% uninsured 

Poverty

 10.3%

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

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