Mercer County, NJ Property Tax Calculator
Mercer County homeowners pay a median $8,909 a year in property tax, 2.36% of a median $377,700 home: above New Jersey's 2.11% and the national 0.94%.
Property tax in Mercer County by home value, at 2.36%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $4,718 | $393 |
| $300,000 | $7,077 | $590 |
| $400,000 | $9,436 | $786 |
| $500,000 | $11,795 | $983 |
| $750,000 | $17,693 | $1,474 |
| $1,000,000 | $23,590 | $1,966 |
Mercer County against New Jersey and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Mercer County | 2.36% | $8,909 | $377,700 | $100,645 |
| New Jersey | 2.11% | $9,590 | $454,400 | $103,556 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Mercer County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in Mercer County?
The effective rate is 2.36%: a median $8,909 a year on a median $377,700 home. That's the 4th highest of the 13 New Jersey counties we cover.
How much is property tax on a $400,000 house in Mercer County?
About $9,436 a year, $786 a month, at the county's effective rate, before any exemption.
How does Mercer County compare with the rest of New Jersey?
Its rate is above the state's 2.11%. Across New Jersey, covered counties range from 1.22% to 2.93%.
How do I lower my Mercer County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.