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How to Calculate 2018 North Dakota State Income Tax by Using State Income Tax Table

1. Find your income exemptions

2. Find your pretax deductions, including 401K, flexible account contributions ...

3. Find your gross income

4. Check the 2018 North Dakota state tax rate and the rules to calculate state income tax

5. Calculate your state income tax step by step

6. If you want to simplify payroll tax calculations, you can download ezPaycheck payroll software, which can calculate federal tax, state tax, Medicare tax, Social Security Tax and other taxes for you automatically. You can try it free for 30 days, with no obligation and no credt card needed.

Learn more about the in house payroll tax solution for North Dakota small businesses here.
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North Dakota State Tax Tables

Tax rate used in calculating North Dakota state tax for year 2018

State Abbreviation:


State Tax Withholding State Code:


Acceptable Exemption Form:


Basis For Withholding:

Federal Exemptions

Acceptable Exemption Data:


TSP Deferred:


Special Coding:


Additional Information:

A state tax certificate is not required since Federal Exemptions are used in the computation of the state formula.

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Withholding Formula >(North Dakota Effective 2018)<
  1. Subtract the nontaxable biweekly Thrift Savings Plan contribution from the gross biweekly wages.

  2. Subtract the nontaxable biweekly Federal Health Benefits Plan payment(s) (includes dental and vision insurance program and flexible spending account - health care and dependent care deductions) from the amount computed in step 1.

  3. Add the taxable biweekly fringe benefits (taxable life insurance, etc.) to the amount computed in step 2 to obtain the adjusted gross biweekly wages.

  4. Multiply the adjusted gross biweekly wages by 26 to obtain the annual wages.

  5. Determine the exemption allowance by applying the following guideline and subtract this amount from the annual wages to compute taxable income:

    Exemption Allowance = $4,050 x Number of Exemptions

  6. Apply the taxable income computed in step 5 to the following table to determine the annualNorth Dakota income tax withholding:

  7. Tax Withholding Table
    Head of Household

    If the Amount of
    Taxable Income Is:

    The Amount of North Dakota
    Tax Withholding Should Be:


    But Not

    Of Excess

    $          0

    4,300 $        0.00 plus 0.00% $        0
          4,300     41,000           0.00 plus >1.10%     4,300
        41,000     84,000        403.70 plus 2.04%    41,000
        84,000   195,000     1,280.90 plus 2.27%    84,000
      194,000   416,000     3,777.90 plus 2.64%   194,000
      416,000   and over   9,638.70 plus 2.90%<   416,000


    If the Amount of
    Taxable Income Is:

    The Amount of North Dakota
    Tax Withholding Should Be:


    But Not

    Of Excess

    $           0 $     10,000 $        0.00 plus 0.00% $        0
          10,000       72,000           0.00 plus >1.10%    10,000
         72,000     136,000     682.00 plus 2.04%    72,000
       136,000     242,000     1,987.60 plus 2.27%   136,000
       242,000     423,000     4,393.80 plus 2.64%   242,000
       423,000     and over   9,172.20 plus 2.90%<   423,000

  8. Divide the annual North Dakota income tax withholding determined in step 6 by 26 and round to the nearest dollar to obtain the biweekly North Dakota income tax withholding.

More Payroll Information for North Dakota Small Business

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