Connecticut State Tax Calculator 2026
Estimate your Connecticut state income tax and take-home pay for tax year 2026.
Last updated: November 2025 · Note: 2026 brackets pending publication; figures reflect 2025 · Source
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Connecticut 2026 tax overview
7 brackets; benefit-recapture phaseout above high-AGI thresholds.
Breakdown
Connecticut also withholds a 0.5% employee Paid Leave premium; this page does not model it, so real take-home is slightly lower.
Connecticut income tax brackets, 2026
Rates apply to each slice of taxable income in turn, not to the whole amount. Reaching the 6.99% bracket does not mean paying 6.99% on everything. Figures are for single filers unless the state uses one schedule for all statuses.
| Taxable income | Rate | Tax on this bracket |
|---|---|---|
| $0 to $10,000 | 2% | $200 max |
| $10,000 to $50,000 | 4.50% | $1,800 max |
| $50,000 to $100,000 | 5.50% | $2,750 max |
| $100,000 to $200,000 | 6% | $6,000 max |
| $200,000 to $250,000 | 6.50% | $3,250 max |
| $250,000 to $500,000 | 6.90% | $17,250 max |
| Over $500,000 | 6.99% | 6.99% of everything above $500,000 |
Brackets apply to income after the Connecticut standard deduction of $0 single and $0 married filing jointly, which is separate from the federal standard deduction.
Connecticut had not published its final inflation-indexed 2026 thresholds when this page was last reviewed, so the bracket boundaries above are the 2025 figures. The rates are correct; the thresholds will shift slightly upward.
What this calculator does not include
Connecticut also withholds a 0.5% employee Paid Leave premium; this page does not model it, so real take-home is slightly lower.
Frequently Asked Questions
What are the 2026 Connecticut income tax rates?
Connecticut uses a 7-bracket progressive schedule for 2026, running from 2% to 6.99%. The top rate starts at $500,000 of taxable income. 7 brackets; benefit-recapture phaseout above high-AGI thresholds.
At what income does the top Connecticut tax rate start?
The 6.99% top rate applies to taxable income above $500,000. Below that, 6 lower brackets apply in sequence, so your average rate is always lower than your top rate.
What is the 2026 Connecticut standard deduction?
Connecticut allows a state standard deduction of $0 for single filers and $0 for married filing jointly in 2026. This is separate from the federal standard deduction, which is $16,100 and $32,200 respectively.
What payroll deductions does Connecticut require besides income tax?
Connecticut also withholds a 0.5% employee Paid Leave premium; this page does not model it, so real take-home is slightly lower.
Does Connecticut tax Social Security and retirement income?
Connecticut is one of the eight states that still tax Social Security, though benefits are exempt below $75,000 of AGI single and $100,000 joint. Pension and annuity income is being phased out of taxation on a similar income-tested basis.
What surprises people most about Connecticut income tax?
Connecticut applies a "benefit recapture" that claws back the value of lower brackets from high earners, so the top bracket can behave like a flat tax on the whole return.