Connecticut variant. This is a Connecticut-specific version of the Income Tax Calculator, using pre-defined local figures (tax rates, median home and income values, and typical regional costs). For the full formula, methodology, and FAQ, open the main Income Tax Calculator.
Connecticut income tax (2-6.99% across 7 brackets) stacks on top of federal tax. Understanding both layers is essential to estimating your total Connecticut tax bill.
Connecticut state income tax structure
Connecticut taxes income at 2-6.99% across 7 brackets, with a top marginal rate of 6.99%. Like the federal system, only income within each bracket is taxed at that bracket's rate.
Federal brackets (10%–37%) apply nationwide. Combine your federal effective rate with the Connecticut rate to find your true marginal tax on the next dollar earned.
About taxes and housing in Connecticut
Connecticut uses a graduated income tax topping out near 7%, and it does not allow a standard deduction.
Connecticut has some of the highest property taxes in the nation, levied entirely at the municipal level, and it also imposes a motor vehicle property tax.
Connecticut's economy is built on finance, insurance, and defense manufacturing, and it consistently ranks among the highest in per-capita income.
Worked example: state tax on $90,213
Using the 6.99% top rate as a ceiling, state income tax on $90,213 is at most about $6,306; the actual figure is lower after brackets and deductions.
Quick reference
- State income tax: 2-6.99% across 7 brackets
- State sales tax: 6.35% (plus 0.00% avg local)
- Median home value: $395,000
- Median household income: $90,213
- Effective property tax rate: 1.79%
- Avg auto insurance: $1,769/yr
Frequently Asked Questions
Does Connecticut have state income tax?
Yes - 2-6.99% across 7 brackets, topping out at 6.99%.
What is the top tax rate in Connecticut?
The top marginal state rate is 6.99%.