Connecticut vs Federal Tax Comparison
| Tax Type | CT State Rate | Federal Rate | Notes |
|---|---|---|---|
| Personal Income Tax | 2–6.99% | Federal: 10–37% | Combined fed+state applies |
| Corporate Income Tax | 7.5% | Federal: 21% | 7.5% + 10% surcharge for large corps |
| State Sales Tax | 6.35% | No federal sales tax | Combined avg: 6.35% |
| Capital Gains Tax | 6.99% | Federal: 0–20% | Same as income tax |
About Connecticut Taxes
High overall tax burden; no local sales taxes.
Connecticut levies income tax at rates from 2–6.99%. The progressive bracket system means higher earners pay a larger percentage on income above each threshold.
Corporate activity in Connecticut faces a 7.5% state corporate tax rate. 7.5% + 10% surcharge for large corps. Combined with the 21% federal corporate rate, businesses should plan accordingly.
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Open US Salary CalculatorFrequently Asked Questions — Connecticut Taxes
What are Connecticut's income tax brackets for 2026?
Connecticut has a progressive income tax ranging from 2–6.99%. The top rate of 6.99% applies to the highest income bracket. Filers should check the current threshold amounts on the Connecticut Department of Revenue website.
What is the corporate income tax rate in Connecticut?
Connecticut imposes a corporate income tax at 7.5%. 7.5% + 10% surcharge for large corps. Businesses should also account for federal corporate tax at 21% on top of the state rate.
What is the sales tax rate in Connecticut?
Connecticut has a state sales tax of 6.35%. When local city and county taxes are included, the average combined rate reaches 6.35%. Rates vary by locality so check the specific municipality for accurate figures.
How does Connecticut compare to neighboring states for taxes?
Connecticut's overall tax burden ranks near average among US states. The state levies income tax at up to 6.99%. For individuals evaluating relocation or remote work, comparing the full picture — income, sales, and property taxes — is essential. Use our US Salary Calculator to estimate your net income in Connecticut.
Are there any special tax incentives or exemptions in Connecticut?
Connecticut offers notable tax characteristics: High overall tax burden; no local sales taxes. Businesses and individuals should consult a qualified tax advisor to understand eligibility for available credits, deductions, and incentives specific to Connecticut.
Cost of Living in Connecticut
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