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How to Calculate 2025 New Mexico 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 2025 New Mexico 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 New Mexico small businesses here.
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ezPaycheck: Small Business Payroll Solution


New Mexico State Tax Tables

Tax rate used in calculating New Mexico state tax for year 2025

State Abbreviation:

NM

State Tax Withholding State Code:

35

Acceptable Exemption Form:

None

Basis For Withholding:

Federal Exemptions

Acceptable Exemption Data:

None

TSP Deferred:

Yes

Special Coding:

None

Additional Information:

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


Need a Better Way to Calculate New Mexico State Income Tax Withholdings?

Click here to view the step by step guide on
How to Calculate New Mexico State Income Tax Withholdings Automatically

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  • Withholding Formula >(New Mexico Effective 2025)<
    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 times 26 to obtain the gross annual wages.

    5. Apply the taxable income computed in step 4 to the following table to determine the annual New Mexico tax withholding.

    6. Tax Withholding Table
      Single

      If the Amount of
      Taxable Income Is:

      The Amount of New Mexico Tax
      Withholding Should Be:


      Over:

      But Not
      Over:

      blank
      blank
      blank

      Of Excess
      Over:

      $          0 $>  7,500 $        0 plus 0.0% $         0
           7,500       13,000           0 plus 1.5% >   7,500
           13,000     24,000      82.50 plus 3.2%     13,000
         24,000     41,000    821.50 plus 4.3%   24,000
         41,000 <   74,000    1964.50 plus 4.7%   41,000 <
         74,000 <   217,500    2,716.50 plus 4.9%   74,000<
         217,500 <   and over    9,748.00 plus 5.9%   217,500 <


      Married

      If the Amount of
      Taxable Income Is:

      The Amount of New Mexico Tax
      Withholding Should Be:


      Over:

      But Not
      Over:

      blank
      blank
      blank

      Of Excess
      Over:

      $         0 > 15,000 $   0.00 plus 0% $         0
          15,000    23,000      0.00 plus 1.5% >15,000
        23,000    40,000   376.00 plus 3.2%   223,000
        40,000    65,000   1,352.00 plus 4.3%   40,000
        65,000 <   115,000   3,431.00 plus 4.7%   65,000 <
        115,000 <   330,000   4,089.00 plus 4.9%   115,000 <
        330,000 <   and over   14,624.00 plus 5.9%   330,000 <

      Head of Household

      If the Amount of
      Taxable Income Is:

      The Amount of New Mexico Tax
      Withholding Should Be:


      Over:

      But Not
      Over:

      blank
      blank
      blank

      Of Excess
      Over:

      $         0 > 11,250 $   0.00 plus 0% $         0
          11,250    19,250      0.00 plus 1.5%   11,250
        19,250    36,250   376.00 plus 3.2%   19,250
        36,250    61,250   1,352.00 plus 4.3%   36,250
        61,250 <   111,250   3,431.00 plus 4.7%   61,250 <
        111,250 <   326,250   4,089.00 plus 4.9%   111,250 <
        326,250 <   and over   14,624.00 plus 5.9%   326,250 <

    7. Divide the annual New Mexico tax withholding by 26 to obtain the biweekly New Mexico tax withholding.


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