What the Pros Know
Market Snapshot
Zip Code 17866 | Northumberland County, PA
9,905
Population
YoY
202243.3
Median Age
YoY
2022$47,943
Median Household Income
YoY
2022$97,000
Median Sale Price
7.8% MoM
0.5% YoY
6/202518
Homes Sold
33.3% MoM
5.9% YoY
6/20251.2
Months Inventory
37.5% MoM
78.6% YoY
6/202545
Days on Market
1 MoM
9 YoY
6/202522
Listings
8.3% MoM
57.1% YoY
6/202587
Price per Sq Ft
30.3% MoM
1.9% YoY
6/2025
See 17866 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.