Data as of July 2026. Source: Realtor.com.
The Mercer County, NJ real estate market currently shows 1,370 active listings, with 635 pending sales. Homes are averaging 41 days on the market before going under contract.
Inventory has increased compared to last year, with 108 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 41 days on market compared to 36 days last year.
The median listing price has fallen 3.2% year-over-year, from $466,950 to $452,225.
Whether you are buying or selling in Mercer County, NJ, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 394,904 · Density: 1,626.9/mi² · Median household income: $104,479
Typical home value: $353,398 · Homeownership: 63%
Trenton: 08602, 08603, 08606, 08608, 08610, 08611, 08618, 08619, 08620, 08628, 08666
Mill Hill: 08601, 08604, 08605, 08645, 08646, 08647, 08695
Princeton: 08540, 08541, 08542, 08543, 08544
Hightstown: 08520
Hopewell: 08525
Lawrence Township: 08648
Pennington: 08534
Princeton Junction: 08550
Robbinsville: 08691
Titusville: 08560
Central West: 08607
South Trenton: 08625
Braeburn Heights: 08638
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.