What the Pros Know
Market Snapshot
Zip Code 21221 | Baltimore County, MD
43,822
Population
YoY
202241.4
Median Age
YoY
2022$68,140
Median Household Income
YoY
2022$339,500
Median Sale Price
1.0% MoM
3.0% YoY
6/202568
Homes Sold
9.7% MoM
15.0% YoY
6/20250.8
Months Inventory
20.4% MoM
26.2% YoY
6/202535
Days on Market
7 MoM
5 YoY
6/202555
Listings
12.7% MoM
6.8% YoY
6/2025211
Price per Sq Ft
1% MoM
5.6% YoY
6/2025
See 21221 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.