Unshakable ZIP Data 17020 | Duncannon, PA Housing Market
Duncannon · Perry County · Harrisburg-Carlisle, PA metro · Pennsylvania · Data updated June 19, 2026
The median sale price in ZIP 17020, Duncannon, Pennsylvania is $289,914 at $167 per square foot. 32 single-family homes sold in the latest period, up 33.0 percent from a year earlier. Homes sit a median of 29 days on market with 0.6 months of supply. Sellers are getting 101.4 percent of list price and 35.5 percent of homes sold above asking.
Seller's market. No room for sloppy offers.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $291,999 | |
| Average price per sq ft | $168 | |
| Median sale price | $289,914 | |
| Median sale price per sq ft | $167 | |
| Median home size | 1,735 sq ft | |
| Median new listing price | $287,046 | -14.1% |
| National size rank | 9,855 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 32 | +33.0% |
| Median days on market | 29 days | |
| Months of supply | 0.6 months | |
| New listings | 25 | -6.0% |
| Active listings | 38 | +4.0% |
| Pending sales | 30 | +44.8% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 101.4% | -1.5 pts |
| Share sold above list | 35.5% | -2.0 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$184,764
3-bedroom
$290,772
4-bedroom
$341,744
These figures describe the single-family market for Duncannon, Pennsylvania ZIP 17020. They are market context, not a substitute for sold comps or a formal appraisal.