Connecticut State Tax Brackets
Filing Status: Single
| Tax Bracket | Tax Bracket Low | Tax Bracket High | Tax Rate |
| 1 | 0 | 10,000 | 3% |
| 2 | 10,001 | over | 5% |
Filing Status: Married Filing Joint
| Tax Bracket | Tax Bracket Low | Tax Bracket High | Tax Rate |
| 1 | 0 | 20,000 | 3% |
| 2 | 20,001 | over | 5% |
Filing Status: Married Filing Separate
| Tax Bracket | Tax Bracket Low | Tax Bracket High | Tax Rate |
| 1 | 0 | 20,000 | 3% |
| 2 | 20,001 | over | 5% |
Filing Status: Head of Household
| Tax Bracket | Tax Bracket Low | Tax Bracket High | Tax Rate |
| 1 | 0 | 16,000 | 3% |
| 2 | 16,001 | over | 5% |