Connecticut Income Tax Brackets 2026
Connecticut uses a progressive income tax system with 7 brackets.
State Tax
7.0%
Top marginal rate
COL Index
112
Above national avg
Median Income
$90,213
Household
Brackets
7
Progressive
Connecticut Tax Brackets
| Income Range | Marginal Rate |
|---|---|
| $0 — $10,000 | 3.00% |
| $10,000 — $50,000 | 5.00% |
| $50,000 — $100,000 | 5.50% |
| $100,000 — $200,000 | 6.00% |
| $200,000 — $250,000 | 6.50% |
| $250,000 — $500,000 | 6.90% |
| $500,000 — and above | 6.99% |
Connecticut State Tax at Different Income Levels
| Gross Income | State Tax | Effective Rate |
|---|---|---|
| $50,000 | $2,300 | 4.60% |
| $75,000 | $3,675 | 4.90% |
| $100,000 | $5,050 | 5.05% |
| $150,000 | $8,050 | 5.37% |
| $200,000 | $11,050 | 5.53% |
| $300,000 | $17,750 | 5.92% |
Calculate Your Exact Connecticut Taxes
See your full federal + state + FICA breakdown with our interactive calculator.
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Frequently Asked Questions about Connecticut Taxes
Does Connecticut have state income tax?
Connecticut has a progressive income tax system with rates ranging from 3.0% to 7.0% for 2026.
How much is federal tax in Connecticut?
Federal income tax in Connecticut is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.
What is the cost of living in Connecticut?
The cost of living in Connecticut has an index of 112, where 100 is the national average. This means Connecticut is 12% more expensive than the average US state.