Connecticut Income Tax Calculator

2026 rules

Enter your pay to see your 2026 Connecticut income tax next to federal tax and FICA, and what's left per paycheck.

Your numbers

Filing status

Wages and salary

Other taxable income (interest, pension, rental)

Pre-tax deductions (401(k), HSA, health premiums)

Dependents

Result

Connecticut income tax$2,275

Gross income$75,000
Pre-tax deductions-$5,000
Federal income tax-$6,570
Social Security (6.2%)-$4,650
Medicare (1.45%)-$1,088
Connecticut taxable income$55,000
Connecticut income tax-$2,275
Take-home pay (yearly)$55,418
Per biweekly paycheck$2,131
Per month$4,618
Connecticut marginal rate5.50%
Connecticut effective rate3.25%
Total tax as a share of gross19.4%

Connecticut at a glance

Rates: Connecticut taxes income at 7 rates from 2% to 6.99%.
Deductions: For 2026 you get a personal exemption of $15,000 per person.
Social Security: Connecticut can tax part of your Social Security benefits, with exemptions based on age and income.
Capital gains: Connecticut taxes capital gains as ordinary income, at the same rates as wages, up to 6.99%.

Connecticut has "tax benefit recapture": at high incomes the lower brackets are phased out, so more of your income is taxed at the top rate than this estimate shows.

Connecticut tax brackets for 2026

Single (taxable income)
Rate	Taxable income
2%	$0 – $10,000
4.50%	$10,000 – $50,000
5.50%	$50,000 – $100,000
6%	$100,000 – $200,000
6.50%	$200,000 – $250,000
6.90%	$250,000 – $500,000
6.99%	over $500,000

Married filing jointly
Rate	Taxable income
2%	$0 – $20,000
4.50%	$20,000 – $100,000
5.50%	$100,000 – $200,000
6%	$200,000 – $400,000
6.50%	$400,000 – $500,000
6.90%	$500,000 – $1,000,000
6.99%	over $1,000,000

Questions

What is the Connecticut income tax rate for 2026?

Connecticut taxes income at 7 rates from 2% to 6.99%. For 2026 you get a personal exemption of $15,000 per person.

Does Connecticut tax Social Security?

Connecticut can tax part of your Social Security benefits, with exemptions based on age and income.