Mercer County, NJ vs Cook County, IL

Property Tax Rate Comparison 2025

Quick Answer

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

Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297

Side-by-Side Comparison

Metric	Mercer County, NJ	Cook County, IL	National Avg
Effective Tax Rate	1.93%	2.29%	1.06%
Median Annual Tax	$4,244	$3,716	$2,778
Median Home Value	$219,907	$162,297	$268,728
Population	387,340	5,275,541	—

Effective Tax Rate

Mercer County

1.93%

Cook County

2.29%

National Avg

1.06%

Median Annual Tax

Mercer County

$4,244

Cook County

$3,716

National Avg

$2,778

Median Home Value

Mercer County

$219,907

Cook County

$162,297

National Avg

$268,728

Mercer County, NJ

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

Full profile →

Cook County, IL

Effective Rate: 2.29%
Median Annual Tax: $3,716
Median Home Value: $162,297
Population: 5,275,541

Full profile →

Frequently Asked Questions

What is the property tax difference between Mercer County and Cook County?

Mercer County, NJ has an effective property tax rate of 1.93% with a median annual tax of $4,244. Cook County, IL has a rate of 2.29% with a median annual tax of $3,716. The difference is 0.36 percentage points.

Which county has higher property taxes, Mercer County or Cook County?

Cook County, IL has the higher effective property tax rate at 2.29% compared to 1.93%.

How do Mercer County and Cook 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 Cook County is above average at 2.29%.

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Mercer County, NJ vs Cook County, IL

Property Tax Rate Comparison 2025

Quick Answer

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

Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297

Side-by-Side Comparison

Metric	Mercer County, NJ	Cook County, IL	National Avg
Effective Tax Rate	1.93%	2.29%	1.06%
Median Annual Tax	$4,244	$3,716	$2,778
Median Home Value	$219,907	$162,297	$268,728
Population	387,340	5,275,541	—

Effective Tax Rate

Mercer County

1.93%

Cook County

2.29%

National Avg

1.06%

Median Annual Tax

Mercer County

$4,244

Cook County

$3,716

National Avg

$2,778

Median Home Value

Mercer County

$219,907

Cook County

$162,297

National Avg

$268,728

Mercer County, NJ

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

Full profile →

Cook County, IL

Effective Rate: 2.29%
Median Annual Tax: $3,716
Median Home Value: $162,297
Population: 5,275,541

Full profile →

Frequently Asked Questions

What is the property tax difference between Mercer County and Cook County?

Which county has higher property taxes, Mercer County or Cook County?

Cook County, IL has the higher effective property tax rate at 2.29% compared to 1.93%.

How do Mercer County and Cook 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 Cook County is above average at 2.29%.