St. Mary's County, MD - U.S. County Map and Demographics

St. Mary's County MD United States

Zip Codes

All demographic data comes from the 2024 American Community Survey (5-year study).
Learn more about each field.

Median household: $119,446
Median individual: $59,031

Mode: 71.3% White

50.4% male

$1747 / month

Median house value: $407,593.0

Median: 37.2 years old

With at least college degree: 36.5%
With STEM degree: 50.4%

52.1% married

Never married: 32.5%

68.5% working

Unemployed: 3.6%

3.14 people

29.9 minutes

3.9% uninsured

8.0%