Indiana Income Tax Rate 2025. Changes to six indiana counties’ income tax rates and the. Indiana has a flat statewide income tax of 3.15% for tax year 2023, which falls to $3.05 in 2024.

Indiana provides a standard personal exemption tax deduction of $ 1,000.00 in 2025 per qualifying filer and qualifying dependent(s), this is used to reduce the amount of. The indiana tax calculator will let you calculate your state taxes for the tax year.