What the Pros Know
Market Snapshot
Zip Code 21155 | Baltimore County, MD
3,063
Population
YoY
202236.3
Median Age
YoY
2022$129,231
Median Household Income
YoY
2022$547,500
Median Sale Price
19.0% MoM
21.8% YoY
6/20254
Homes Sold
60.0% MoM
42.9% YoY
6/20250.8
Months Inventory
275% MoM
87.5% YoY
6/202523
Days on Market
7 MoM
27 YoY
6/20253
Listings
50.0% MoM
0.0% YoY
6/2025282
Price per Sq Ft
0.7% MoM
0% YoY
6/2025
See 21155 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.