PropertyTaxPeek

Mercer County, NJ vs Milwaukee County, WI

Property Tax Rate Comparison 2025

Quick Answer

Mercer County, NJ: 1.93% effective rate · $4,244/yr median tax · median home $219,907

Milwaukee County, WI: 1.35% effective rate · $4,194/yr median tax · median home $310,670

Side-by-Side Comparison

MetricMercer County, NJMilwaukee County, WINational Avg
Effective Tax Rate1.93%1.35%1.06%
Median Annual Tax$4,244$4,194$2,778
Median Home Value$219,907$310,670$268,728
Population387,340945,726

Mercer County, NJ

Effective Rate
1.93%
Median Annual Tax
$4,244
Median Home Value
$219,907
Population
387,340
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Milwaukee County, WI

Effective Rate
1.35%
Median Annual Tax
$4,194
Median Home Value
$310,670
Population
945,726
Full profile →

Frequently Asked Questions

What is the property tax difference between Mercer County and Milwaukee County?
Mercer County, NJ has an effective property tax rate of 1.93% with a median annual tax of $4,244. Milwaukee County, WI has a rate of 1.35% with a median annual tax of $4,194. The difference is 0.58 percentage points.
Which county has higher property taxes, Mercer County or Milwaukee County?
Mercer County, NJ has the higher effective property tax rate at 1.93% compared to 1.35%.
How do Mercer County and Milwaukee County compare to the national average?
The national average effective property tax rate is 1.06%. Mercer County is above average at 1.93%, and Milwaukee County is above average at 1.35%.