What the Pros Know
Market Snapshot
Zip Code 18040 | Northampton County, PA
17,090
Population
YoY
202245.7
Median Age
YoY
2022$110,108
Median Household Income
YoY
2022$543,058
Median Sale Price
3.0% MoM
0.9% YoY
6/202568
Homes Sold
17.2% MoM
38.8% YoY
6/20250.3
Months Inventory
36% MoM
44.9% YoY
6/202514
Days on Market
3 MoM
3 YoY
6/202521
Listings
25.0% MoM
34.4% YoY
6/2025220
Price per Sq Ft
2.2% MoM
1.4% YoY
6/2025
See 18040 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.