Quick Answer
Connecticut state income tax ranges from 3% to 6.99% depending on your income. For example, someone earning $75,000 pays an effective state tax rate of about 4.8%, or roughly $3,600 per year ($138 per biweekly paycheck).
Best Answer
Sarah Chen, Payroll Tax Analyst
W-2 employees who need to understand Connecticut tax withholding from their paychecks
How much will Connecticut take from your paycheck?
Connecticut uses a progressive tax system with rates from 3% to 6.99%. Your exact rate depends on your income and filing status. For most middle-income earners, you'll pay between 4% and 5.5% of your income in Connecticut state taxes.
Connecticut tax brackets for 2026
Here's how Connecticut's progressive system works:
Example: $75,000 salary calculation
Let's calculate the Connecticut tax for someone earning $75,000 filing single:
Total Connecticut tax: $3,675 per year
Per biweekly paycheck: $141.35
Effective rate: 4.9%
How Connecticut withholding works on your paycheck
Your employer withholds Connecticut tax based on your W-4CT form and Connecticut's withholding tables. According to Connecticut Department of Revenue Services Publication 2026-1, employers must withhold based on your expected annual income and filing status.
Key factors affecting your withholding:
Connecticut vs. federal taxes
Connecticut doesn't conform to all federal tax changes. While federal standard deduction for 2026 is $15,000 (single), Connecticut's standard deduction is only $7,500. This means you might owe more Connecticut tax than expected if you're used to the higher federal deduction.
What you should do
Check your Connecticut withholding if you:
Use our paycheck calculator to see exactly how Connecticut tax affects your take-home pay based on your specific salary and withholding elections.
Key takeaway: Connecticut state income tax ranges from 3% to 6.99%, with most middle-income earners paying an effective rate of 4-5.5%. Someone earning $75,000 pays about $141 per biweekly paycheck in Connecticut taxes.
*Sources: [Connecticut Department of Revenue Services](https://portal.ct.gov/DRS), [IRS Publication 15-T](https://www.irs.gov/pub/irs-pdf/p15t.pdf)*
Key Takeaway: Connecticut state income tax ranges from 3% to 6.99%, with most middle-income earners paying about $141 per biweekly paycheck on a $75,000 salary.
Connecticut tax brackets compared by filing status
| Income Range (Single) | Tax Rate | Income Range (Married Filing Jointly) | Tax Rate |
|---|---|---|---|
| $0 - $10,000 | 3.00% | $0 - $20,000 | 3.00% |
| $10,001 - $50,000 | 5.00% | $20,001 - $100,000 | 5.00% |
| $50,001 - $100,000 | 5.50% | $100,001 - $200,000 | 5.50% |
| $100,001 - $200,000 | 6.00% | $200,001 - $400,000 | 6.00% |
| Over $200,000 | 6.50-6.99% | Over $400,000 | 6.50-6.99% |
More Perspectives
Sarah Chen, Payroll Tax Analyst
People who recently moved to Connecticut and need to understand their new state tax obligations
What changes when you move to Connecticut
Moving to Connecticut means you'll start paying state income tax if you're coming from a no-tax state like Florida or Texas. Connecticut has one of the higher state tax rates in the region, with top rates reaching 6.99%.
Key differences from other states
If you're moving from New York, you might actually save money — New York's top rate is 10.9%. But if you're coming from New Hampshire (no income tax), expect to pay 3-7% more in state taxes depending on your income.
Mid-year move considerations
When you move to Connecticut mid-year:
Example: Moving in July
If you earn $80,000 annually and move to Connecticut in July:
Make sure your new employer withholds enough Connecticut tax, or you'll owe at filing time.
Key takeaway: New Connecticut residents often need to adjust withholding and should expect to pay 3-7% of their income in state taxes, depending on their previous state.
Key Takeaway: New Connecticut residents often need to adjust withholding and should expect to pay 3-7% of their income in state taxes, depending on their previous state.
Sarah Chen, Payroll Tax Analyst
Remote workers who live in Connecticut but work for out-of-state companies
Connecticut taxes for remote workers
If you live in Connecticut but work remotely for an out-of-state company, you owe Connecticut tax on all your income — even if your employer is in a different state. Connecticut taxes residents on their worldwide income.
Common withholding issues
Many out-of-state employers don't automatically withhold Connecticut tax. This creates two problems:
1. No Connecticut withholding: You might owe a large tax bill in April
2. Wrong state withholding: Your employer might withhold for their state instead
Example: Working for a Texas company
If you live in Connecticut but work for a Texas company earning $90,000:
Solutions for remote workers
1. Request Connecticut withholding: Ask your employer to withhold Connecticut tax using Form W-4CT
2. Make quarterly estimated payments: Pay Connecticut directly four times per year
3. Increase federal withholding: Have extra federal tax withheld to cover your Connecticut liability
Option 3 works because overpaid federal taxes get refunded, which you can then use to pay Connecticut.
Key takeaway: Connecticut residents working remotely for out-of-state companies must pay Connecticut tax on all income and often need to handle withholding themselves through estimated payments or increased federal withholding.
Key Takeaway: Connecticut residents working remotely for out-of-state companies must pay Connecticut tax on all income and often need to handle withholding themselves through estimated payments.
Sources
- Connecticut Department of Revenue Services — Official Connecticut tax rates and withholding guidance
- IRS Publication 15-T — Federal Income Tax Withholding Methods
Related Questions
Reviewed by Sarah Chen, Payroll Tax Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.