Washington D.C. uses a progressive state income tax with 6 brackets, topping out at 10.75% for the highest earners. Like the federal system, your rate depends on which bracket each dollar falls into — not a single flat percentage of your whole income. This page combines the Washington D.C. state brackets with the full federal calculator, including a 2025 vs. 2026 vs. 2027 comparison.
Washington D.C. state tax: Progressive · up to 10.75%. Enter your details below to see your combined federal + Washington D.C. tax, including the state bracket breakdown.
Federal + Washington D.C. State Tax Calculator
This calculator uses the same engine as the main US Tax Calculator — see our Methodology page for exactly where every figure comes from, and our Disclaimer for what this tool does not model (AMT, NIIT, EITC, local taxes, and more).