United States · 2025

District of Columbia vs Connecticut Income Tax 2025

At a $100K salary, Connecticut is about $811 cheaper in 2025.

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Top rate
10.75%
Brackets
7
Std. deduction
$15,750
State brackets
4%
Bracket 1
$0to$10,000
6%
Bracket 2
$10,001to$40,000
6.5%
Bracket 3
$40,001to$60,000
8.5%
Bracket 4
$60,001to$250,000
9.25%
Bracket 5
$250,001to$500,000
9.75%
Bracket 6
$500,001to$1,000,000
10.75%
Bracket 7
$1,000,001and up
Top rate
6.99%
Brackets
7
Std. deduction
State brackets
2%
Bracket 1
$0to$10,000
4.5%
Bracket 2
$10,001to$50,000
5.5%
Bracket 3
$50,001to$100,000
6%
Bracket 4
$100,001to$200,000
6.5%
Bracket 5
$200,001to$250,000
6.9%
Bracket 6
$250,001to$500,000
6.99%
Bracket 7
$500,000and up

At common incomes, what's the tax difference?

Federal + state income tax after the standard deduction, 2025. Excludes FICA.
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Income
District of Columbia tax
Connecticut tax
Difference
$50,000single filer
$5,72711.5% effective
$5,87211.7% effective
$145 lessin District of Columbia
$100,000single filer
$19,01019.0% effective
$18,19918.2% effective
$811 lessin Connecticut
$200,000single filer
$51,12825.6% effective
$47,81723.9% effective
$3,311 lessin Connecticut

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+
DC
District of Columbia
Full 2025 breakdown10.75%
CT
Connecticut
Full 2025 breakdown6.99%