Connecticut Income Tax Rate 2024 - 2025
Connecticut state income tax rate table for the 2024 - 2025 filing season has seven income tax brackets with CT tax rates of 2%, 4.5%, 5.5%, 6%, 6.5%, 6.9% and 6.99% for Single, Married Filing Jointly, Married Filing Separately, and Head of Household statuses. The lower two Connecticut tax rates decreased from last year, however, the tax brackets remain the same.
Connecticut income tax rate and tax brackets shown in the table below are based on income earned between January 1, 2024 through December 31, 2024. Outlook for the 2025 Connecticut income tax rate is to remain unchanged. Current news in the state appears to focus on tax credits for families and relief to lower income households.
| Income Tax Bracket | Tax Rate 2024 | ||
|---|---|---|---|
| $0 | to | $10,000 | 2% |
| $10,001 | to | $50,000 | 4.5% |
| $50,001 | to | $100,000 | 5.5% |
| $100,001 | to | $200,000 | 6% |
| $200,001 | to | $250,000 | 6.5% |
| $250,001 | to | $500,000 | 6.9% |
| $500,001 | to | ∞ | 6.99% |
| Income Tax Bracket | Tax Rate 2024 | ||
|---|---|---|---|
| $0 | to | $20,000 | 2% |
| $20,001 | to | $100,000 | 4.5% |
| $100,001 | to | $200,000 | 5.5% |
| $200,001 | to | $400,000 | 6% |
| $400,001 | to | $500,000 | 6.5% |
| $500,001 | to | $1,000,000 | 6.9% |
| $1,000,001 | to | ∞ | 6.99% |
| Income Tax Bracket | Tax Rate 2024 | ||
|---|---|---|---|
| $0 | to | $10,000 | 2% |
| $10,001 | to | $50,000 | 4.5% |
| $50,001 | to | $100,000 | 5.5% |
| $100,001 | to | $200,000 | 6% |
| $200,001 | to | $250,000 | 6.5% |
| $250,001 | to | $500,000 | 6.9% |
| $500,001 | to | ∞ | 6.99% |
| Income Tax Bracket | Tax Rate 2024 | ||
|---|---|---|---|
| $0 | to | $16,000 | 2% |
| $16,001 | to | $80,000 | 4.5% |
| $80,001 | to | $160,000 | 5.5% |
| $160,001 | to | $320,000 | 6% |
| $320,001 | to | $400,000 | 6.5% |
| $400,001 | to | $800,000 | 6.9% |
| $800,001 | to | ∞ | 6.99% |
Source: 2024 Connecticut Tax Calculation Table, published by the State of Connecticut Department of Revenue Services.
Please reference the Connecticut tax forms and instructions booklet published by the State of Connecticut Department of Revenue Services to determine if you owe state income tax or are due a state income tax refund. Connecticut income tax forms are generally published at the end of each calendar year, which will include any last minute 2024 - 2025 legislative changes to the CT tax rate or tax brackets. The Connecticut income tax rate tables and tax brackets shown on this web page are for illustration purposes only.
Connecticut Tax Brackets 2024 - 2025
Looking at the tax rate and tax brackets shown in the tables above for Connecticut, we can see that Connecticut collects individual income taxes differently for Single versus Married filing statuses, for example. We can also see the progressive nature of Connecticut state income tax rates from the lowest CT tax rate bracket of 2% to the highest CT tax rate bracket of 6.99%.
For single taxpayers living and working in the state of Connecticut:
- Tax rate of 2% on the first $10,000 of taxable income.
- Tax rate of 4.5% on taxable income between $10,001 and $50,000.
- Tax rate of 5.5% on taxable income between $50,001 and $100,000.
- Tax rate of 6% on taxable income between $100,001 and $200,000.
- Tax rate of 6.5% on taxable income between $200,001 and $250,000.
- Tax rate of 6.9% on taxable income between $250,001 and $500,000.
- Tax rate of 6.99% on taxable income over $500,000.
For married taxpayers living and working in the state of Connecticut:
- Tax rate of 2% on the first $20,000 of taxable income.
- Tax rate of 4.5% on taxable income between $20,001 and $100,000.
- Tax rate of 5.5% on taxable income between $100,001 and $200,000.
- Tax rate of 6% on taxable income between $200,001 and $400,000.
- Tax rate of 6.5% on taxable income between $400,001 and $500,000.
- Tax rate of 6.9% on taxable income between $500,001 and $1,000,000.
- Tax rate of 6.99% on taxable income over $1,000,000.
For the Single, Married Filing Jointly, Married Filing Separately, and Head of Household filing statuses, the CT tax rates and the number of tax brackets remain the same. Notice, however, the Connecticut income tax brackets for Married Filing Jointly double from $10,000 to $20,000 at 4.5%, and double from $500,000 to $1,000,000 at 6.99% the highest tax bracket. Married Filing Separately income tax brackets are one half that of the Married Filing Jointly income tax brackets in the state of Connecticut.
Last updated: December 6, 2024
References:
- Sec 12-700 Imposition of tax on income, Rate. General Statutes of Connecticut, Connecticut General Assembly. Retrieved December 6, 2024.
- Connecticut Income Tax Rates and Brackets Since 1991 (pdf). State of Connecticut Department of Revenue Services. Retrieved December 6, 2024.
- A Guide to Connecticut’s Personal Income Tax (pdf). State of Connecticut Office of Legislative Research. Retrieved December 6, 2024.
- CT income tax cuts would slow – not reverse – tax inequity. The Connecticut News Project. Retrieved December 6, 2024.
- The fight for tax breaks for CT families in 2025 is underway. Connecticut Voices For Children. Retrieved December 6, 2024.
- Many in Connecticut will see tax cuts in 2024. Here's what to know.. CT Insider, News Politics. Retrieved December 6, 2024.
- Connecticut budget includes middle-class income tax cuts effective January 1, 2024. Ernst & Young, Tax News. Retrieved December 6, 2024.