Top Marginal Individual Income Tax Rates by State for 2025

Tax rates as of Jan. 1, 2025. Arizona, Colorado, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Mississippi, North Carolina, Pennsylvania, Utah, and Washington have a flat income tax. Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, and Wyoming have no income tax. The rest have a graduated-rate income tax.
Source: Tax Foundation