TaxMath

2025 Connecticut Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Connecticut in tax year 2025.

Federal Income Tax Brackets (2025)

FromToRate
$0$11,92510.00%
$11,925$48,47512.00%
$48,475$103,35022.00%
$103,350$197,30024.00%
$197,300$250,52532.00%
$250,525$626,35035.00%
$626,35037.00%

Connecticut State Income Tax Brackets (2025)

FromToRate
$0$10,0002.00%
$10,000$50,0004.50%
$50,000$100,0005.50%
$100,000$200,0006.00%
$200,000$250,0006.50%
$250,000$500,0006.90%
$500,0006.99%

Federal Capital Gains Tax Brackets (2025)

FromToRate
$0$48,3500.00%
$48,350$533,40015.00%
$533,40020.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
7.50%
Federal Standard Deduction (Single)
$15,750