Connecticut Historical Tax Rates

2024 Connecticut tax ratesSelect state

Connecticut’s state income tax rates can be adjusted annually. Interested in tax rates by year and seeing how rates changed over the years? Review historical tax rates by year here.

Select year

  1. 2019Connecticut tax rates

  2. 2020Connecticut tax rates

  3. 2021Connecticut tax rates

  4. 2022Connecticut tax rates

  5. 2023Connecticut tax rates

  6. 2024Connecticut tax rates