Connecticut Tax Calculators.
2025 income tax rates, brackets, and sales tax for Connecticut. Free calculators with Connecticut-specific defaults.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.