Connecticut Tax Calculators.
Tax year 2026 income tax rates, brackets, and sales tax for Connecticut. Returns for tax year 2026 are generally filed in 2027; source links and last-verified dates are shown below.Tax year 2026 means income earned during calendar year 2026; those returns are generally filed in 2027. State and local sales tax rates can change during the year, so confirm current rules before filing or remitting tax.
Income Tax
Connecticut uses a progressive income tax with 7 brackets ranging from 3% to 6.99%. Connecticut does not offer a standard deduction but provides a personal tax credit that phases out at higher incomes.
| Taxable Income | Rate |
|---|---|
| $0 - $10,000 | 3.0% |
| $10,000 - $50,000 | 5.0% |
| $50,000 - $100,000 | 5.5% |
| $100,000 - $200,000 | 6.0% |
| $200,000 - $250,000 | 6.5% |
| $250,000 - $500,000 | 6.9% |
| Over $500,000 | 6.99% |
Sales Tax
Groceries are exempt. Clothing under $100 is exempt. Prescription drugs are exempt.
Connecticut's top rate of 6.99% is well above the national average, making it one of the higher-tax states in the Northeast.
What is Connecticut's income tax rate?
Connecticut has a progressive income tax with 7 brackets. Rates range from 3% on the first $10,000 to 6.99% on income over $500,000 for single filers.
Does Connecticut tax groceries?
No, groceries are exempt from Connecticut's 6.35% sales tax. Clothing items under $100 are also exempt.
Does Connecticut have a standard deduction?
No, Connecticut does not offer a standard deduction. Instead, it provides a personal tax credit that reduces your tax liability, but it phases out for higher-income taxpayers.