United States · 2025
Iowa vs Wisconsin Income Tax 2025
At a $100K salary, Iowa is about $195 cheaper in 2025.
State brackets
3.8%
Bracket 1
$0and up
State brackets
3.5%
Bracket 1
$0to$14,680
4.4%
Bracket 2
$14,680to$50,480
5.3%
Bracket 3
$50,480to$323,290
7.65%
Bracket 4
$323,290and up
At common incomes, what's the tax difference?
Federal + state income tax after standard deductions, 2025. Excludes FICA.Compare your income
$
We'll pin your result at the top.Income
Iowa tax
Wisconsin tax
Difference
$50,000single filer
$5,77211.5% effective
$5,34310.7% effective
$429 lessin Wisconsin
$100,000single filer
$17,24917.2% effective
$17,44417.4% effective
$195 lessin Iowa
$200,000single filer
$44,66722.3% effective
$46,36223.2% effective
$1,695 lessin Iowa
Federal income tax — same for both
7 brackets · 10–37% · applies on top of state rates
10%
to $11,925
12%
to $48,475
22%
to $103,350
24%
to $197,300
32%
to $250,525
35%
to $626,350
37%
$626,350+
IA
Iowa
WI
Wisconsin