Iowa has its own refundable earned income credit that complements the federal one, so it can enlarge a refund or reduce the tax owed by working families.

Iowa individual income tax features a flat 3.8 percent rate for 2026, alongside residency filing rules for part-year and nonresident filers.

Indiana residents learning about tax relief find out whether the state offers a local earned income tax credit for 2026.

Indiana tax deductions and credits for 2026, featuring the statewide flat income tax rate of 3.15 percent and county tax rates.

The Illinois Earned Income Credit provides eligible working residents with a refundable tax refund equal to twenty percent of the federal amount.

Illinois tax deductions and credits for 2026 explain the flat 4.95 percent income tax rate and $2,550 personal exemptions.

The federal EITC is a refundable credit for low and moderate earners, and many states add their own version, so Idaho’s stance matters for working families.

Idaho state tax deductions and credits for the 2026 tax year help residents lower taxable income and reduce overall state tax bills.

Hawaii state income tax details, including the refundable Earned Income Tax Credit for eligible working families and individuals.

Hawaii state income tax deductions and credits for 2026 help residents lower taxable income and reduce overall liability.