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
Your Inputs
Connecticut 2026 tax overview
7 brackets; benefit-recapture phaseout above high-AGI thresholds.
Breakdown
Frequently Asked Questions
What are the 2026 Connecticut income tax rates?
Connecticut uses a 7-bracket progressive schedule with rates from 2.00% to 6.99%. 7 brackets; benefit-recapture phaseout above high-AGI thresholds.
What is the 2026 Connecticut standard deduction?
For 2026, Connecticut allows a state standard deduction of $0 for single filers and $0 for married filing jointly.
Does Connecticut tax Social Security benefits?
Tax treatment of Social Security varies by state. Connecticut's rules can change year-to-year, check the Connecticut Department of Revenue for the most current guidance.
What is the difference between federal and Connecticut state income tax?
Federal tax is collected by the IRS at uniform rates nationwide (10%-37%). Connecticut state tax is separate, with its own brackets and rules. Total income tax burden = federal + state combined.