Unshakable ZIP Data 17857 | Northumberland, PA Housing Market
Northumberland · Northumberland County · Sunbury, PA metro · Pennsylvania · Data updated June 19, 2026
The median sale price in ZIP 17857, Northumberland, Pennsylvania is $204,939 at $124 per square foot. 13 single-family homes sold in the latest period, down 29.6 percent from a year earlier. Homes sit a median of 58 days on market with 4.4 months of supply. Sellers are getting 94.6 percent of list price and 15.4 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $213,531 | |
| Average price per sq ft | $130 | |
| Median sale price | $204,939 | |
| Median sale price per sq ft | $124 | |
| Median home size | 1,649 sq ft | |
| Median new listing price | $208,220 | +19.0% |
| National size rank | 11,143 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 13 | -29.6% |
| Median days on market | 58 days | |
| Months of supply | 4.4 months | |
| New listings | 23 | -2.7% |
| Active listings | 33 | -7.2% |
| Pending sales | 22 | -10.8% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 94.6% | -0.1 pts |
| Share sold above list | 15.4% | -0.4 pts |
These figures describe the single-family market for Northumberland, Pennsylvania ZIP 17857. They are market context, not a substitute for sold comps or a formal appraisal.