Connecticut income tax and brackets 2026
Connecticut taxes income at 7 rates in 2026, from 2% on the first $10,000 of a single filer's taxable income to 6.99% above $500,000. A single filer earning $75,000 in Connecticut owes about $11,145 in federal and state income tax, an effective rate of 14.9%.
Income tax · 2026
See the brackets $11,145for the year
Effective rate 14.9% of income
Federal income tax$7,67068.8%
Connecticut income tax$3,47531.2%
Taxable income
$58,900
Top federal rate
22%
Top Connecticut rate
5.5%
Connecticut tax brackets 2026
Connecticut brackets · 2026
2% to 6.99%
7 brackets
Your top bracket
5.5%
Average rate
4.6%
Taxable income
$75,000
How your $3,475 adds up
2% on the first $10,000$2005.8%
4.5% on the next $40,000$1,80051.8%
5.5% on the last $25,000$1,37539.6%
Add-back as income rises$1002.9%
Connecticut brackets, single
| Rate | Taxable income | Tax owed |
|---|---|---|
| 2% | $0 to $10,000 | 2% of taxable income |
| 4.5% | $10,000 to $50,000 | $200.00 + 4.5% over $10,000 |
| 5.5%You | $50,000 to $100,000 | $2,000.00 + 5.5% over $50,000 |
| 6% | $100,000 to $200,000 | $4,750.00 + 6% over $100,000 |
| 6.5% | $200,000 to $250,000 | $10,750.00 + 6.5% over $200,000 |
| 6.9% | $250,000 to $500,000 | $14,000.00 + 6.9% over $250,000 |
| 6.99% | Over $500,000 | $31,250.00 + 6.99% over $500,000 |
Connecticut at a glance
- Income tax
- 2% to 6.99%
- Personal exemption
- $15,000
- Connecticut Paid Leave
- 0.5%
- Local income tax
- None
- Sales tax
- 6.35%
- 2026 return due
- Apr 15, 2027
How we work it out
- 1IncomeYour income for the year, less pre-tax retirement savings.
- 2DeductionThe larger of the standard deduction and your itemized total.
- 3Federal bracketsEach rate from 10% to 37% taxes only the income inside it.
- 4ConnecticutConnecticut's own deduction and rates on the same income.
- 5Effective rateYour total tax divided by your income.
Connecticut income tax questions
What are the Connecticut tax brackets for 2026?
Connecticut has 7 brackets for single filers, from 2% on the first $10,000 of taxable income to 6.99% on income over $500,000.
How much income tax do I pay on $75,000 in Connecticut?
A single filer earning $75,000 owes about $7,670 in federal income tax and $3,475 in Connecticut income tax for 2026, $11,145 in all. That is 14.9% of income.
Why is my average rate lower than my tax bracket?
Each rate taxes only the income inside its bracket. A single filer with $58,900 of federal taxable income is in the 22% bracket, but only the $8,500 above $50,400 pays 22%. The lower rates tax the rest, so the brackets come to $7,670, 13.0% on average.
What are the 2026 federal tax brackets?
Seven rates: 10%, 12%, 22%, 24%, 32%, 35% and 37%. The 37% rate starts above $640,600 for single filers and above $768,700 for married couples filing jointly.
Will Connecticut's brackets change?
Brackets are set in law and not indexed; the bottom two rates were cut to 2% and 4.5% in 2024, and DRS says 2026 withholding rules are unchanged from 2025.
What is the 2026 standard deduction?
$16,100 for single filers, $32,200 for married couples filing jointly and $24,150 for heads of household. Connecticut gives a $15,000 personal exemption instead.
Sources
- IRS Revenue Procedure 2025-32: 2026 brackets and standard deduction
- Social Security Administration: 2026 contribution and benefit base
- IRS Notice 2025-67: 2026 retirement plan limits
- Connecticut Department of Revenue Services
- DRS TPG-211, 2026 Withholding Calculation Rules (Rev. 12/25): brackets by status, personal exemptions, 2% phase-out, recapture
- Bloomberg Tax, Connecticut family leave contribution rate unchanged (0.5%) for 2026
- IRS Publication 15 (2026): Social Security wage base $184,500 (the CT Paid Leave cap)
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