Data as of March 2026. Source: Realtor.com.
The Mercer County, NJ real estate market currently shows 1,003 active listings, with 436 pending sales. Homes are averaging 40 days on the market before going under contract.
Inventory has increased compared to last year, with 82 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 40 days on market compared to 29 days last year.
The median listing price has fallen 2.2% year-over-year, from $450,000 to $439,900.
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: 08601, 08602, 08604, 08606, 08607, 08608, 08610, 08611, 08618, 08619, 08620, 08628
Mill Hill: 08603, 08605, 08645, 08646, 08647, 08666, 08695
Princeton: 08541, 08543, 08544
Hightstown: 08520
Hopewell: 08525
Lawrence Township: 08648
Pennington: 08534
Town & Country: 08540
Witherspoon-Jackson: 08542
Princeton Junction: 08550
Robbinsville: 08691
Titusville: 08560
South Trenton: 08625
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.