What is Missouri’s top state income tax rate?
Missouri's top rate is 4.7% in 2026, reached on taxable income above $9,436; lower brackets run from 0% to 4.5%. The calculator applies these brackets after the federal standard deduction ($16,100 single, $32,200 married filing jointly) and Missouri's partial deduction for federal income tax. Your actual Missouri withholding may differ with deductions and credits.