21655   Zip Code Preston Caroline MD United States

City Preston
County Caroline
State Maryland
Latitude 38.74601
Longitude -75.92103
Population 5,053
Density 95.85 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: $90,385
Median individual: $42,287

Race

Mode: 80.9% White

Gender

 50.1% male 

Rent

  $1380 / month  

Median house value: $304,178.0

Age

Median: 42.2 years old

Education

With at least college degree: 24.0%
With STEM degree: 47.4%

Marital Status

 56.0% married 

Never married: 29.1%

Labor Force Participation

 69.2% working 

Unemployed: 3.1%

Average Family Size

 3.10 people 

Commute Time

 29.2 minutes 

Health Care

 2.9% uninsured 

Poverty

 4.3%

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

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