United States · 2026
Illinois vs Arizona Income Tax 2026
At a $100K salary, Arizona is about $2,659 cheaper in 2026.
At common incomes, what's the tax difference?
Federal + state income tax after the standard deduction, 2026. Excludes FICA.Compare your income
$
We'll pin your result at the top.Income
Illinois tax
Arizona tax
Difference
$50,000single filer
$6,29512.6% effective
$4,8619.7% effective
$1,434 lessin Arizona
$100,000single filer
$18,12018.1% effective
$15,46115.5% effective
$2,659 lessin Arizona
$200,000single filer
$46,63423.3% effective
$41,52520.8% effective
$5,109 lessin Arizona
Federal income tax — same for both
7 brackets · 10–37% · applies on top of state rates
10%
to $12,400
12%
to $50,400
22%
to $105,700
24%
to $201,775
32%
to $256,225
35%
to $640,600
37%
$640,601+
IL
Illinois
AZ
Arizona