Your Pay Details
Your Take-Home Pay
| Gross Pay | $0 |
| Federal Income Tax | –$0 |
| Social Security (6.2%) | –$0 |
| Medicare (1.45%) | –$0 |
| Connecticut State Tax | –$0 |
| Take-Home Pay | $0 |
How Your Connecticut Paycheck Works
Connecticut has a graduated income tax with 7 brackets ranging from 2% to 6.99%. Connecticut provides a personal exemption of $15,000 for single filers and $24,000 for married couples, though these phase out at higher incomes.
Federal Income Tax
Calculated using 2025 federal brackets from 10% to 37%, applied to taxable income after the standard deduction.
Social Security
6.2% of gross pay up to $176,100. Funds the Social Security retirement and disability program.
Medicare
1.45% of all gross pay. High earners over $200K pay an additional 0.9% surtax.
Connecticut State Tax
Connecticut uses 7 brackets from 2% to 6.99%. A personal exemption of $15,000 (single) or $24,000 (MFJ) reduces taxable income, though it phases out for higher earners.
2025 Connecticut State Tax Brackets
Here are the Connecticut income tax brackets for single filers in 2025, applied after the state standard deduction or personal exemption.
| Rate | Single — Taxable Income |
|---|---|
| 2.00% | $0 – $10,000 |
| 4.50% | $10,000 – $50,000 |
| 5.50% | $50,000 – $100,000 |
| 6.00% | $100,000 – $200,000 |
| 6.50% | $200,000 – $250,000 |
| 6.90% | $250,000 – $500,000 |
| 6.99% | $500,000 – No limit |
Major Cities in Connecticut
Whether you live in Bridgeport, Stamford, or anywhere else in Connecticut, state tax rates apply uniformly — your city does not change your paycheck calculation. Local taxes and cost of living vary by city, as shown below.
* Population from U.S. Census estimates. Home prices and rent are 2023–2024 estimates. Local income tax applies to residents unless noted.
Frequently Asked Questions
What is Connecticut's state income tax rate?
Connecticut has 7 graduated brackets from 2% to 6.99%. Connecticut provides a personal exemption of $15,000 for single filers ($24,000 for married couples), which phases out for higher incomes.
How much of my paycheck goes to taxes in Connecticut?
A single filer earning $55,000/year in Connecticut pays roughly 3.5–4.5% in effective state income tax (after personal exemption) plus federal taxes and FICA. Total deductions typically run 25–29% of gross pay.
What is FICA and how much is it?
FICA covers Social Security (6.2% up to $176,100) and Medicare (1.45% with no cap). Together that is 7.65% of gross pay, paid by every US worker regardless of state.
How do pre-tax deductions like a 401(k) reduce my taxes?
Pre-tax deductions reduce both your federal and state taxable income. A $5,000 annual 401(k) contribution can save $600–$1,100 in federal taxes plus additional state tax savings depending on your bracket.
How accurate is this calculator?
This calculator uses 2025 federal and state tax brackets. Results are estimates — your actual paycheck may vary based on W-4 elections, employer deductions, and local taxes not included here.