United States · 2026
Iowa vs Illinois Income Tax 2026
At a $100K salary, Iowa is about $1,150 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
Iowa tax
Illinois tax
Difference
$50,000single filer
$5,72011.4% effective
$6,29512.6% effective
$575 lessin Iowa
$100,000single filer
$16,97017.0% effective
$18,12018.1% effective
$1,150 lessin Iowa
$200,000single filer
$44,33422.2% effective
$46,63423.3% effective
$2,300 lessin Iowa
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+
IA
Iowa
IL
Illinois