United States · 2025
Massachusetts vs Iowa Income Tax 2025
At a $100K salary, Iowa is about $1,200 cheaper in 2025.
State brackets
5%
Bracket 1
$0to$1,083,150
9%
Bracket 2
$1,083,150and up
State brackets
3.8%
Bracket 1
$0and up
At common incomes, what's the tax difference?
Federal + state income tax after the standard deduction, 2025. Excludes FICA.Compare your income
$
We'll pin your result at the top.Income
Massachusetts tax
Iowa tax
Difference
$50,000single filer
$6,37212.7% effective
$5,77211.5% effective
$600 lessin Iowa
$100,000single filer
$18,44918.4% effective
$17,24917.2% effective
$1,200 lessin Iowa
$200,000single filer
$47,06723.5% effective
$44,66722.3% effective
$2,400 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%
$626,351+
MA
Massachusetts
IA
Iowa