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
6. If you want to simplify payroll tax calculations, you can download
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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.
Need a Better Way to Calculate Idaho State Income Tax Withholdings?
Subtract the nontaxable biweekly Thrift Savings Plan contribution from the gross biweekly wages.
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.
Add the taxable biweekly fringe benefits (taxable life insurance, etc.) to the amount computed in step 2 to obtain the adjusted gross biweekly wages.
Multiply the adjusted gross biweekly wages times 26 to obtain the annual wages.
Determine the exemption allowance by applying the following guideline and subtract this amount from the annual wages to compute the taxable income.
Exemption Allowance = >$4,000< x Number of Exemptions
Apply the taxable income computed in step 5 to the following table to determine the annual Idaho tax withholding.
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
Divide the annual Idaho tax withholding by 26 and round to the nearest dollar to obtain the biweekly Idaho tax withholding.