North Dakota State Income Tax Overview
North Dakota (ND) state income tax rate: 2.5% flat (flat rate system)
North Dakota Income Tax Brackets (2026)
Flat 2.5% on North Dakota taxable income (as of 2024; previously graduated up to 2.9%)
North Dakota moved to a flat 2.5% income tax in 2024, consolidating from a graduated system. This is one of the lowest state income tax rates in the US among states that have an income tax. ND also allows an exemption for out-of-state income for non-residents working temporarily in ND.
Median Household Income in North Dakota
The median household income in North Dakota is $65,315. North Dakota's median income is near the national average, buoyed by the oil and gas industry in the western Bakken region and agriculture throughout the state. The low 2.5% flat income tax rate makes it one of the most tax-efficient states in the Midwest.
How to Use This Calculator for North Dakota
- Enter your gross income and filing status
- The calculator applies North Dakota's flat income tax rate of up to 2.5% flat
- Subtract your standard deduction and any applicable credits
- Review your estimated state and federal tax liability
Frequently Asked Questions
What is the North Dakota state income tax rate?
North Dakota has a flat income tax with a top rate of 2.5% flat. Flat 2.5% on North Dakota taxable income (as of 2024; previously graduated up to 2.9%).
How does North Dakota's income tax compare to the national average?
North Dakota's top income tax rate of 2.5% flat applies to a flat rate system. North Dakota moved to a flat 2.5% income tax in 2024, consolidating from a graduated system. This is one of the lowest state income tax rates in the US among states that have an income tax. ND also allows an exemption for out-of-state income for non-residents working temporarily in ND.
What is the median household income in North Dakota?
The median household income in North Dakota is $65,315. North Dakota's median income is near the national average, buoyed by the oil and gas industry in the western Bakken region and agriculture throughout the state. The low 2.5% flat income tax rate makes it one of the most tax-efficient states in the Midwest.
Is this state income tax calculator free to use for North Dakota?
Yes, this state income tax calculator is 100% free with no signup required. It includes North Dakota-specific tax rates and calculates your estimated state and federal tax liability instantly.