What the Pros Know
Market Snapshot
Zip Code 18078 | Lehigh County, PA
7,543
Population
YoY
202243.6
Median Age
YoY
2022$115,758
Median Household Income
YoY
2022$558,850
Median Sale Price
2.8% MoM
8.5% YoY
6/202510
Homes Sold
28.6% MoM
52.4% YoY
6/20251.2
Months Inventory
12% MoM
332% YoY
6/202512
Days on Market
5 MoM
6 YoY
6/202512
Listings
20.0% MoM
100.0% YoY
6/2025213
Price per Sq Ft
0.2% MoM
2.2% YoY
6/2025
See 18078 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.