Tax Bracket for Connecticut (2026)
Last updated: January 15, 2026
Connecticut (CT) Key Facts
Tax Structure
Progressive (7 brackets)
Top Marginal Rate
6.99%
Number of Brackets
7
Tax Year
2,026
How This Calculator Works in Connecticut
This calculator shows which Connecticut tax bracket your income falls into. Enter your income and filing status to see marginal and effective rates.
Connecticut Overview
Connecticut uses a progressive income tax system with 7 brackets ranging from 3% to 6.99%. Higher portions of your income are taxed at higher rates, so your effective rate is always lower than your top marginal bracket.
How Connecticut Compares
Connecticut's top rate of 6.99% compares to New York at 10.9% and Massachusetts at 5%. Comparing effective rates is more meaningful than top rates alone.
| State | Top Rate | Notes |
|---|---|---|
| New York | 10.9% | New York has an income tax rate of 10.9%. |
| Massachusetts | 5% | Massachusetts has an income tax rate of 5%. |
| Rhode Island | 5.99% | Rhode Island has an income tax rate of 5.99%. |
Connecticut's income tax rate of 6.99% compares to a national average of approximately 5.04%. This is above the national average.
Tips for Connecticut Residents
- 1Connecticut has a progressive income tax with 7 brackets ranging from 3% to 6.99%.
- 2Your marginal rate (the rate on your last dollar) is often higher than your effective rate (total tax / total income).
- 3Moving into a higher bracket only taxes the additional income at the higher rate, not your entire income.
- 4Pre-tax 401(k) and IRA contributions can keep you in a lower Connecticut bracket by reducing taxable income.
- 5Compare your effective rate rather than marginal rate when evaluating Connecticut's tax impact on your finances.