Connecticut Tax Brackets 2026
Connecticut state income tax rates for tax year 2026 — 7 progressive brackets from 2% to 6.99%, with separate thresholds for single filers and married filing jointly.
Tax year
2026
Type
Progressive
Rate range
2%–6.99%
Brackets
7
Connecticut state tax at common incomes (2026)
| Taxable income | Single — tax | Single — effective | MFJ — tax | MFJ — effective |
|---|---|---|---|---|
| $50,000 | $2,000 | 4.00% | $1,750 | 3.50% |
| $75,000 | $3,375 | 4.50% | $2,875 | 3.83% |
| $100,000 | $4,750 | 4.75% | $4,000 | 4.00% |
| $150,000 | $7,750 | 5.17% | $6,750 | 4.50% |
| $250,000 | $14,000 | 5.60% | $12,500 | 5.00% |
| $500,000 | $31,250 | 6.25% | $28,000 | 5.60% |
State income tax only. Excludes federal tax, FICA, and local/city taxes. Assumes taxable income (after deductions).
2026 brackets — Single filer
| Taxable income | Rate |
|---|---|
| $0 – $10,000 | 2% |
| $10,000 – $50,000 | 4.5% |
| $50,000 – $100,000 | 5.5% |
| $100,000 – $200,000 | 6% |
| $200,000 – $250,000 | 6.5% |
| $250,000 – $500,000 | 6.9% |
| Over $500,000 | 6.99% |
2026 brackets — Married filing jointly
| Taxable income | Rate |
|---|---|
| $0 – $20,000 | 2% |
| $20,000 – $100,000 | 4.5% |
| $100,000 – $200,000 | 5.5% |
| $200,000 – $400,000 | 6% |
| $400,000 – $500,000 | 6.5% |
| $500,000 – $1,000,000 | 6.9% |
| Over $1,000,000 | 6.99% |
About Connecticut's 2026 rates
Connecticut's progressive income tax applies marginal rates to each income bracket. The state also has a unique "tax recapture" provision that phases out the benefit of lower brackets for high-income taxpayers, which can push effective rates above the stated top marginal rate for some earners. Connecticut exempts Social Security benefits from taxation for taxpayers below certain income thresholds. The state sales tax rate is 6.35%, and property taxes in Connecticut are among the highest in the nation.
View 2025 Connecticut tax brackets for comparison.
Frequently asked questions
What are the Connecticut tax brackets for 2026?
Connecticut has 7 progressive brackets for 2026, ranging from 2% on the lowest bracket up to 6.99% on income above $500,000 (single filer). See the full table above for every rate and threshold.
What is the top Connecticut income tax rate in 2026?
6.99%, applied to taxable income above $500,000 for single filers ($1,000,000 for married filing jointly).
How much Connecticut state tax on $100,000 in 2026?
A single filer with $100,000 of taxable income owes $4,750 in Connecticut state income tax for 2026 — an effective rate of 4.75%. Married filing jointly with the same income owes $4,000 (4.00% effective). Federal tax is separate.
Are Connecticut 2026 tax brackets the same as 2025?
Bracket thresholds may have changed for 2026 via inflation indexing or legislative action. The figures on this page are the Connecticut bracket thresholds in effect for tax year 2026.
Explore more Connecticut tax info
Related Calculators
Paycheck Calculator
Federal, state, FICA withholding, net take-home, W-4 alignment
Federal Income Tax Calculator
10–37% brackets, $15,750 standard deduction, progressive calculation
Multi-State Tax Calculator
Multiple state income allocations, residency, part-year nonresidents
Moving States Tax
Multi-state income sourcing, WFH rules, filing requirements
Tax Burden by Income
Effective tax rate, marginal rate, cumulative federal + state tax
W-4 Withholding Optimizer
Form W-4 allowances, correct federal withholding, avoid penalties