Unshakable ZIP Data 08540 | Princeton, NJ Housing Market
Princeton · Mercer County · Trenton-Princeton, NJ metro · New Jersey · Data updated June 19, 2026
The median sale price in ZIP 08540, Princeton, New Jersey is $849,748 at $390 per square foot. 113 single-family homes sold in the latest period, down 10.8 percent from a year earlier. Homes sit a median of 54 days on market with 4.9 months of supply. Sellers are getting 100.6 percent of list price and 42.7 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,076,207 | |
| Average price per sq ft | $495 | |
| Median sale price | $849,748 | |
| Median sale price per sq ft | $390 | |
| Median home size | 2,176 sq ft | |
| Median new listing price | $989,541 | +1.5% |
| National size rank | 758 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 113 | -10.8% |
| Median days on market | 54 days | |
| Months of supply | 4.9 months | |
| New listings | 221 | -4.2% |
| Active listings | 311 | -1.6% |
| Pending sales | 166 | -11.6% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 100.6% | -2.1 pts |
| Share sold above list | 42.7% | -14.7 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$349,272
2-bedroom
$536,215
3-bedroom
$806,874
4-bedroom
$1,239,396
5-bedroom
$1,985,856
These figures describe the single-family market for Princeton, New Jersey ZIP 08540. They are market context, not a substitute for sold comps or a formal appraisal.