County

Average Rent in St. Mary's County

St. Mary's is a county in Maryland. It ranks #20 out of 24 for places to rent. St. Mary's County is in
the congressional district of
District 05 and
the metropolitan areas of
Lexington Park, MD MSA, MD NON MSA. Dwellsy has rental data for St. Mary's County includes 6 cities and 6 zip codes with places to rent.
The average rent over the last 3 months for places in St. Mary's County is $1,530 which represents a decrease of -8.19% over the same period.

The most expensive city in St. Mary's County to rent places is Mechanicsville, MD with an average rent of $1,950. The least expensive city in St. Mary's County to rent places is Leonardtown, MD with an average rent of $1,395.

The most expensive zip code in St. Mary's County to rent places is 20659 with an average rent of $1,950. The least expensive zip code in St. Mary's County to rent places is 20650 with an average rent of $1,395.

Rental Price Comparison

The average rent for places in county St. Mary's currently stands at $1,530.
In comparison, places in the largest city, specifically Great Mills, is less expensive, with an average rent of $1,477. This represents a difference of -3% when compared to St. Mary's.
Meanwhile, in the average state of Maryland, the average rent for the same type of housing is $1,892, showing a more expensive of +24% from our subject location.
On a national scale, the average rent for a similar places across the United States is $1,867. This constitutes a more expensive by +22% when compared to the rent in St. Mary's.
$1,530
St. Mary's
VS
$1,477
-3%
Great Mills, city
$1,892
+24%
MD, state
$1,867
+22%
USA, us

Average price for rental listings over the last 3 months. Last updated June 21 2026

Cities in St. Mary's County

Zip Codes in St. Mary's County

20659$1,950
20636$1,943
20619$1,774
20634$1,477
20653$1,429
20650$1,395