St. Mary's County, MD Property & Market Data

St. Mary's County, Maryland has 101,342 parcels tracked in the Rippleffekt property database, 50% of them mapped to a precise location, a median household income of $116,969, and an unemployment rate of 3.9%.

St. Mary's County at a glance

Rippleffekt tracks 101,342 parcels in St. Mary's County, Maryland. The figures below combine county assessor coverage with federal economic data for the county.

101,342
Parcels tracked
50%
Mapped to location
50,592 parcels
359 sq mi
Land area
282.6 per sq mi
Parcel density
$116,969
Median household income
3.9%
Unemployment rate

Maryland commercial real estate lending

Statewide commercial real estate lending context from FFIEC bank call reports as of 2024-12-31. This reflects the broader Maryland lending environment, not St. Mary's County alone.

30
Banks reporting
$36.6B
Real estate loans
$18.7B
Nonresidential CRE loans

Go deeper on St. Mary's County

Explore the Maryland market, browse live listings, or run a full property or area report.

Explore the market View listings Run a report

Sources: county assessor records, U.S. Census ACS and SAIPE, FFIEC bank call reports, and public tax-lien records. Updated 2026-07-29.