20680   Zip Code Ridge St. Mary's MD United States

City Ridge
County St. Mary's
State Maryland
Latitude 38.11071
Longitude -76.37353
Population 663
Density 84.2 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

No data available.

Race

Mode: 70.9% White

Gender

 63.7% female 

Rent

  $1592 / month  

Age

Median: 33.6 years old

Education

With at least college degree: 29.0%
With STEM degree: 45.9%

Marital Status

 29.0% married 

Never married: 53.0%

Labor Force Participation

 43.6% working 

Unemployed: 0.5%

Average Family Size

 2.55 people 

Commute Time

 12.6 minutes 

Health Care

 3.0% uninsured 

Poverty

 37.7%

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

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