What the Pros Know
Market Snapshot
Zip Code 20619 | St. Mary, MD
13,925
Population
YoY
202234.8
Median Age
YoY
2022$110,960
Median Household Income
YoY
2022$505,000
Median Sale Price
0.7% MoM
18.8% YoY
6/202538
Homes Sold
0.0% MoM
7.3% YoY
6/20250.8
Months Inventory
11.5% MoM
18% YoY
6/202535
Days on Market
1 MoM
10 YoY
6/202529
Listings
11.5% MoM
31.8% YoY
6/2025199
Price per Sq Ft
9.7% MoM
0.3% YoY
6/2025
See 20619 on Zillow
1. Population Data from U.S. Census Bureau.
2. Sales Data provided by Redfin, a national real estate brokerage.
MoM = Month over Month. The percentage change from the previous month to the current month.
YoY = Year over Year. The percentage change from the same period the previous year to the current period.