Income tax calculator

Connecticut income tax calculator

Connecticut has rates from 2% to 7% for 2026. On $100,000 of pay a single filer keeps $74,205, after $13,170 of federal income tax, $7,650 of Social Security and Medicare, and $4,975 to Connecticut.

Your year

Connecticut’s 2026 schedule, deductions and exemptions, with the federal brackets, payroll tax and the child tax credit.

I’m paid a year, file , live in Connecticut and put into a 401(k).

$74,205

kept for 2026, about $6,184 a month. Tax takes 25.8% of your pay.

Federal income tax$13,170
Social Security$6,200
Medicare$1,450
Connecticut income tax$4,975
All of it$25,795

Of your next $1,000 of pay, $357 goes to tax: the 22% federal bracket, payroll tax and the state’s 5.5%. See what would lower it.

Take-home pay in Connecticut

What a year’s pay keeps after every tax, with no 401(k), kids or other income.

PayState taxKept, singleKept, jointly
$50,000$1,800$40,555$43,741
$75,000$3,475$58,118$62,035
$100,000$4,975$74,205$80,750
$150,000$8,225$105,566$115,935
$250,000$15,400$167,782$184,268

Connecticut tax brackets for 2026

Each rate applies only to the income inside its bracket, after Connecticut’s own deductions and exemptions.

RateSingle, fromJointly, from
2%$0$0
4.5%$10,000$20,000
5.5%$50,000$100,000
6%$100,000$200,000
6.5%$200,000$400,000
6.9%$250,000$500,000
7%$500,000$1,000,000

Questions people ask

What is the Connecticut income tax rate for 2026?

Connecticut has rates from 2% to 7%, the top rate from $500,000 of taxable income single. On $100,000 of pay a single filer's state tax is $4,975, 5% of pay.

How much is take-home pay on $100,000 in Connecticut?

$74,205 for a single filer in 2026, about $6,184 a month: $13,170 of federal income tax, $7,650 of Social Security and Medicare, and $4,975 to Connecticut.

How does Connecticut compare with a state with no income tax?

On $100,000 single, $4,975 a year less is kept than in Texas or Florida, where the same pay keeps $79,180.

Does a 401(k) lower Connecticut income tax?

Pay put into a traditional 401(k) comes off federal income tax and Connecticut's. It doesn't lower Social Security or Medicare.

Checked on October 29, 2026 against Rev. Proc. 2025-32, SSA 2026 fact sheet and Connecticut's published 2026 schedule. An estimate for your records, not tax advice.

The federal side: the 2026 brackets. From your own pay stub, with what is left to pay: the tax forecast.

Put more back in your pocket.

Reimburse works out your whole year from a pay stub and last year's return, and every move that would lower it.