20620   Zip Code Callaway St. Mary's MD United States

City Callaway
County St. Mary's
State Maryland
Latitude 38.23288
Longitude -76.52196
Population 1,115
Density 260.1 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: $165,972
Median individual: $86,897

Race

Mode: 64.4% White

Gender

 51.6% male 

Rent

No data available.

Age

Median: 41.6 years old

Education

With at least college degree: 24.9%
With STEM degree: 65.1%

Marital Status

 51.5% married 

Never married: 32.2%

Labor Force Participation

 52.4% working 

Unemployed: 0.0%

Average Family Size

 3.63 people 

Commute Time

 21.1 minutes 

Health Care

 1.1% uninsured 

Poverty

 4.9%

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

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