What the Pros Know
Market Snapshot
Zip Code 20634 | St. Mary, MD
7,853
Population
YoY
202233.1
Median Age
YoY
2022$131,042
Median Household Income
YoY
2022$385,000
Median Sale Price
3.8% MoM
2.7% YoY
6/20256
Homes Sold
0.0% MoM
66.7% YoY
6/20251.7
Months Inventory
25% MoM
209.5% YoY
6/202515
Days on Market
11 MoM
19 YoY
6/202510
Listings
25.0% MoM
0.0% YoY
6/2025196
Price per Sq Ft
2.9% MoM
0.9% YoY
6/2025
See 20634 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.