County market report · FIPS 34021
Mercer County, NJ
Trenton-Princeton, NJ · Population 367,239 (Census V2020 est.)
Typical value
$439,984
Sep 2026
1M
-0.2%
3M
-0.0%
12M
+0.2%
5Y
+33.2%
10Y
+76.5%
From peak
-0.2%
Peak $440,836 · Aug 2026
Rank US / state
2393 / 21
by 12M change
Zillow Home Value Index
Source: Zillow Home Value Index (ZHVI), all homes, smoothed & seasonally adjusted · data through Sep 2026.
Inflection signal
Price-OnlyNo active signal this month.
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $438,457 | +0.6% |
| 2024 | $435,790 | +7.5% |
| 2023 | $405,332 | +10.9% |
| 2022 | $365,537 | +8.5% |
| 2021 | $337,009 | +13.4% |
| 2020 | $297,085 | +7.8% |
| 2019 | $275,481 | +4.0% |
| 2018 | $264,793 | +2.9% |
| 2017 | $257,283 | +2.7% |
| 2016 | $250,484 | +2.6% |
| 2015 | $244,254 | +2.2% |
| 2014 | $238,907 | +3.1% |
| 2013 | $231,724 | +4.4% |
| 2012 | $222,020 | -4.8% |
| 2011 | $233,161 | -9.3% |
| 2010 | $257,006 | -2.3% |
| 2009 | $263,085 | -6.6% |
| 2008 | $281,567 | -8.3% |
| 2007 | $306,910 | -4.2% |
| 2006 | $320,224 | +4.8% |
| 2005 | $305,556 | +13.6% |
| 2004 | $268,995 | +14.8% |
| 2003 | $234,226 | +13.9% |
| 2002 | $205,636 | +14.0% |
| 2001 | $180,345 | +12.2% |
| 2000 | $160,710 | — |