What the Pros Know
Market Snapshot
Zip Code 18102 | Lehigh County, PA
51,640
Population
YoY
202230.5
Median Age
YoY
2022$41,390
Median Household Income
YoY
2022$318,300
Median Sale Price
2.1% MoM
19.7% YoY
6/20258
Homes Sold
11.1% MoM
42.9% YoY
6/20250.3
Months Inventory
12.5% MoM
45.8% YoY
6/202517
Days on Market
3 MoM
7 YoY
6/20252
Listings
0.0% MoM
60.0% YoY
6/2025173
Price per Sq Ft
20% MoM
0% YoY
6/2025
See 18102 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.