Connecticut income tax calculator

Estimate your Connecticut take-home pay after federal tax, FICA, and Connecticut income tax. Connecticut has a progressive state income tax. Set your salary and filing status to see the breakdown.

Annual salary$100,000
Filing status
Estimated take-home pay
$74,430

25.6% of your salary goes to federal income tax, FICA, and Connecticut state income tax.

One wage earner; excludes local taxes and unmodeled deductions and credits.

Federal income tax
$13,170

13.2% of salary

FICA (Social Security + Medicare)
$7,650

7.6% of salary

Connecticut income tax
$4,750

4.8% of salary

Estimate, not tax advice. Uses 2026 federal figures and 2026 Connecticut brackets, with the deductions modeled below. Assumes one wage earner even for a joint return. Joint brackets are approximated by doubling single thresholds; actual schedules can differ substantially. Excludes local taxes, itemized deductions, credits and some state adjustments. Your actual tax depends on your full return.

Connecticut state income tax rates for 2026

Connecticut state income tax brackets for a single filer, 2026 tax year
Taxable income (single filer) Connecticut rate
$0 to $10,000 2%
$10,000 to $50,000 4.5%
$50,000 to $100,000 5.5%
$100,000 to $200,000 6%
$200,000 to $250,000 6.5%
$250,000 to $500,000 6.9%
$500,000 and above 6.99%
  • Connecticut has 7 tax brackets, running from 2% to 6.99%.
  • The top 6.99% rate applies to single-filer taxable income above $500,000.
  • Married-filing-jointly brackets are approximated by doubling single thresholds; actual joint schedules may differ.

Frequently asked questions

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