Eran Odella

Indiana County Income Tax Rates 2025. You can quickly estimate your indiana state tax and federal tax by selecting the tax year, your filing status, gross income and gross expenses, this is a great way to compare salaries in indiana and for quickly estimating your tax. Indiana has a 4.9 percent corporate income tax rate.

Residents of montgomery county pay a flat county income tax of 2.10% on earned income, in addition to the indiana income tax and the federal income tax. We have information on the local income tax rates in 91 localities in indiana.