What the Pros Know
Market Snapshot
Zip Code 21030 | Baltimore County, MD
25,133
Population
YoY
202236.9
Median Age
YoY
2022$92,333
Median Household Income
YoY
2022$611,000
Median Sale Price
0.0% MoM
4.2% YoY
6/202535
Homes Sold
0.0% MoM
20.5% YoY
6/20250.6
Months Inventory
4.8% MoM
7.1% YoY
6/202526
Days on Market
2 MoM
6 YoY
6/202522
Listings
4.8% MoM
29.4% YoY
6/2025229
Price per Sq Ft
6.7% MoM
6.1% YoY
6/2025
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.

See 21030 on Zillow