What is the Arkansas state income tax rate in 2026?
Arkansas uses graduated brackets from 0% to 3.7% in 2026. The top rate was cut from 3.9% to 3.7% retroactive to January 1, 2026, and applies to taxable income above $26,400. The calculator uses these brackets after the $2,470 single / $4,940 married joint standard deduction and the personal credit. Rates: Arkansas DFA 2026 tax tables.