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How to Calculate 2016 Idaho 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 2016 Idaho state tax rate and the rules to calculate state income tax

5. Calculate your state income tax step by step

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  IDAHO STATE TAX TABLES



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2026 Idaho State Tax Witholding Table
2025 Idaho State Tax Witholding Table
2024 Idaho State Tax Witholding Table
2023 Idaho State Tax Witholding Table
2022 Idaho State Tax Witholding Table
(2021  2020  2019  2018  2017  )

Tax rate used in calculating Idaho state tax for year 2016

State Abbreviation:

ID

State Tax Withholding State Code:

16

Acceptable Exemption Form:

W-4

Basis For Withholding:

State or Federal Exemptions

Acceptable Exemption Data:

S, M / Number of Exemptions

TSP Deferred:

Yes

Special Coding:

None

Additional Information:

If a state income tax certificate has not been processed or if a valid state exemption code is not present, the Federal exemptions will be used in the computation of state tax.


Withholding Formula >(Idaho Effective 2016)<
  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 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 annual wages.

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

    6. Exemption Allowance = >$4,000< x Number of Exemptions

  6. Apply the taxable income computed in step 5 to the following table to determine the annual Idaho tax withholding.

    7. Tax Withholding Table
    Single

    If the Amount of
    Taxable Income Is:

    The Amount of Idaho
    Tax Withholding Should Be:


    Over:

    But Not
    Over:

    Of Excess
    Over:

    $       0
    $ >2,300
    $    0.00
    plus
    0.0%
    $        0
       2,300
       3,752
          0.00
    plus
    1.6%
       >2,300
       3,752
       5,204
         23.00
    plus
    3.6%
        3,752
       5,204
       6,656
         75.00
    plus
    4.1%
        5,204
       6,656
       8,108
       135.00
    plus
    5.1%
        6,656
       8,108
       9,560
       209.00
    plus
    6.1%
        8,108
       9,560
      13,190
       298.00
    plus
    7.1%
        9,560
      13,190
      and over
       556.00
    plus
    7.4%
      13,190


    Married

    If the Amount of
    Taxable Income Is:

    The Amount of Idaho
    Tax Withholding Should Be:


    Over:

    But Not
    Over:

    Of Excess
    Over:

    $        0
    $  >8,600
    $      0.00
    plus
    0.0%
    $        0
        8,600
         11,504
            0.00
    plus
    1.6%
      >8,600
        11,504
       14,408
          46.00
    plus
    3.6%
        11,504
      14,408
       17,312
        151.00
    plus
    4.1%
      14,408
      17,312
       20,216
        270.00
    plus
    5.1%
      17,312
      20,216
       23,120
        418.00
    plus
    6.1%
      20,216
      23,120
       30,380
        595.00
    plus
    7.1%
      23,120
      30,380
       and over
        1110.00
    plus
    7.4%
      30,380

  7. Divide the annual Idaho tax withholding by 26 and round to the nearest dollar to obtain the biweekly Idaho tax withholding.