Tax rate used in calculating Iowa state tax for year 2022 | State Abbreviation:
| IA | | State Tax Withholding
State Code: | 19 | | Acceptable Exemption
Form: | IA-W4 or W-4 | | Basis For Withholding:
| State Exemptions | | Acceptable Exemption
Data: | 0 / Number of Allowances | | TSP Deferred: | Yes | | Special Coding: | Determine the Total Number
Of Allowances Claimed field as follows: First
Position - Enter 0 (zero). Second
and Third Positions - Enter the number of allowances claimed. | | Additional Information:
| None |
Withholding Formula (Iowa Effective 2022) - Subtract the 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 gross annual wages.
- Multiply the biweekly Federal income tax withholding by 26 to obtain the annual Federal income tax withholding and subtract this amount from the gross annual wages computed in step 4.
- Determine the standard deduction by applying the following guideline and subtract this amount from the result of step 5 to compute the taxable income.
If the Number of
Allowances Claimed Is: | The Standard
Deduction Is: | |
0 or 1
|
$ 2,210
| |
2 or more
|
5,450
| - Apply the taxable income computed in step 6 to the following table to determine the Iowa tax withholding.
Tax Withholding Table | If the Amount of
Taxable Income Is: | The Amount of Iowa
Tax Withholding Should Be: |
Over:
| But Not
Over: | | | | Of Excess
Over: | |
$ 0
|
$ 1,743
|
$ 0.00
|
plus
|
0.33%
|
$ 0
| |
1,743
|
3,486
|
5.75
|
plus
|
0.67%
|
1,743
| |
3,486
|
6,972
|
17.43
|
plus
|
2.25%
|
3,486
| |
6,972
|
15,687
|
95.87
|
plus
|
4.14%
|
6,972
| |
15,687
|
26,145
|
456.67
|
plus
|
5.63%
|
15,687
| |
26,145
|
34,860
|
1,045.46
|
plus
|
5.96%
|
26,145
| |
34,860
|
52,290
|
1,564.87
|
plus
|
6.25%
|
34,860
| |
52,290
|
78,435
|
2,654.25
|
plus
|
7.44%
|
52,290
| |
78,435
|
and over
|
4,599.44
|
plus
|
8.53%
|
78,435
| - Determine the exemption allowance by applying the following guideline and subtract this amount from the result of step 7 to compute the annual Iowa tax withholding.
Exemption Allowance = $40 x Number of Exemptions - Divide the annual Iowa tax withholding by 26 and round to the nearest dollar to obtain the biweekly Iowa tax withholding.
|
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