Connecticut Paycheck Calculator

Basic Info
Deductions

Insurance Premiums

Your Connecticut Paycheck Results

Calculating your paycheck…

Take-Home Pay: $0.00
Per Pay Period: $0.00

Tax Breakdown

Federal Income Tax: $0.00
State Income Tax (CT): $0.00
Social Security: $0.00
Medicare: $0.00
Additional Medicare: $0.00
Total Tax: $0.00

Deduction Breakdown

401(k) Contribution: $0.00
Traditional IRA: $0.00
HSA Contribution: $0.00
FSA Contribution: $0.00
Health Insurance: $0.00
Dental Insurance: $0.00
Vision Insurance: $0.00
Other Deductions: $0.00
Total Deductions: $0.00
Gross Annual Income: $0.00
Effective Tax Rate: 0.00%

Connecticut State Income Tax Information

The American state employs a progressive income tax system with seven brackets, ranging from 2% to 6.99%. This structure ensures that higher earners contribute a larger percentage of their income in taxes.

2025 State Income Tax Brackets (Single Filers)
Taxable Income Tax Rate
$0 – $10,0002.00%
$10,001 – $50,0004.50%
$50,001 – $100,0005.50%
$100,001 – $200,0006.00%
$200,001 – $250,0006.50%
$250,001 – $500,0006.90%
$500,001 and above6.99%

Standard Deduction: $15,000 (Single), $30,000 (Married Filing Jointly)

Personal Exemption: Not applicable; the state does not offer a personal exemption.

Federal Income Tax

Federal income taxes apply to all U.S. residents based on income, filing status, and deductions. The IRS uses a progressive tax rate structure from 10% to 37%.

FICA Taxes

FICA Tax Rates (2025)
Component Rate Income Limit
Social Security6.2%Up to $168,600
Medicare1.45%No Limit
Additional Medicare0.9%Above $200,000 (Single) / $250,000 (Married)

Pre-Tax Deductions

These deductions reduce your taxable income and can significantly lower your tax burden:

  • 401(k), 403(b), and similar retirement contributions
  • Health and dental insurance premiums
  • Health Savings Account (HSA) and Flexible Spending Account (FSA) contributions
  • Pre-tax commuter and transit benefits

State-Specific Deductions and Credits

Key Tax Credits and Benefits
Credit or Deduction Description
Child Tax Credit Starting in 2025, a refundable credit of $150 per child (up to 3 children) is available for single filers earning up to $100,000 and joint filers up to $200,000. The credit phases out above these thresholds.
Property Tax Credit Up to $350 credit for property taxes paid, available to single filers earning up to $70,000 and joint filers up to $100,000, with phase-outs at higher incomes.
Retirement Income Exemption Exemptions available for certain retirement incomes, including Social Security benefits and pension income, subject to income limits.
529 College Savings Plan Deduction Contributions to the state’s 529 plan are deductible from state income taxes, encouraging savings for higher education.

Interesting Facts About the State’s Taxes

  • The state has one of the highest top marginal income tax rates in the nation at 6.99%.
  • Unlike some states, it does not offer a personal exemption, relying instead on a standard deduction.
  • Recent legislative efforts have focused on providing tax relief to middle-income families through credits and deductions.
  • The state offers a sales tax exemption on solar and geothermal energy equipment, promoting green energy adoption.

FAQs – State Paycheck Tax

1. Does the state tax Social Security benefits?
Social Security benefits are exempt from state income tax for single filers earning up to $75,000 and joint filers up to $100,000. Above these thresholds, benefits may be partially taxable.
2. Are there any local income taxes in the state?
No, the state does not impose local income taxes; residents are subject only to state and federal income taxes.
3. Can I deduct contributions to a Health Savings Account (HSA)?
Yes, contributions to an HSA are deductible on both federal and state income tax returns, reducing your taxable income.
4. Is there a tax credit for renters?
Currently, the state does not offer a specific income tax credit for renters, but property tax relief programs may be available at the municipal level.
5. How does the state handle capital gains taxation?
Capital gains are taxed as regular income, subject to the state’s progressive income tax rates.