What the Pros Know
Market Snapshot
Zip Code 19121 | Philadelphia County, PA
37,740
Population
YoY
202227.2
Median Age
YoY
2022$35,671
Median Household Income
YoY
2022$230,000
Median Sale Price
12.4% MoM
76.9% YoY
6/20256
Homes Sold
50.0% MoM
20.0% YoY
6/20251.8
Months Inventory
22.2% MoM
37.5% YoY
6/2025153
Days on Market
52 MoM
29 YoY
6/202511
Listings
83.3% MoM
83.3% YoY
6/2025151
Price per Sq Ft
56.7% MoM
39.5% 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 19121 on Zillow