Home and mortgage
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%.
- Shows its working
- Sources named below
- Runs in your browser; nothing is stored
Property tax in Mercer County by home value, at 2.36%
| Home value | A year | A month |
|---|---|---|
| $190,000 | $4,482 | $374 |
| $280,000 | $6,605 | $550 |
| $380,000 | $8,964 | $747 |
| $570,000 | $13,446 | $1,121 |
| $760,000 | $17,928 | $1,494 |
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.
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.
Other New Jersey counties
Related calculators
Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.