North Dakota uses a progressive state income tax with 2 brackets, topping out at 2.5% 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 North Dakota state brackets with the full federal calculator, including a 2025 vs. 2026 vs. 2027 comparison.
North Dakota state tax: Progressive · up to 2.5%. Enter your details below to see your combined federal + North Dakota tax, including the state bracket breakdown.
Federal + North Dakota 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).