Iowa Income Tax Brackets (Tax Year 2018)
ARCHIVES
| Tax Bracket | Tax Rate |
|---|---|
| $0.00+ | 0.33% |
| $1,638.00+ | 0.67% |
| $3,276.00+ | 2.25% |
| $6,552.00+ | 4.14% |
| $14,742.00+ | 5.63% |
| $24,570.00+ | 5.96% |
| $32,760.00+ | 6.25% |
| $49,140.00+ | 7.44% |
| $73,710.00+ | 8.53% |
| Tax Bracket | Tax Rate |
|---|---|
| $0.00+ | 0.33% |
| $1,638.00+ | 0.67% |
| $3,276.00+ | 2.25% |
| $6,552.00+ | 4.14% |
| $14,742.00+ | 5.63% |
| $24,570.00+ | 5.96% |
| $32,760.00+ | 6.25% |
| $49,140.00+ | 7.44% |
| $73,710.00+ | 8.53% |
eFile your Iowa tax return now
eFiling is easier, faster, and safer than filling out paper tax forms. File your Iowa and Federal tax returns online with TurboTax in minutes. FREE for simple returns, with discounts available for Tax-Brackets.org users!
File Now with TurboTaxThis page shows Tax-Brackets.org's archived Iowa tax brackets for tax year 2018. This means that these brackets applied to all income earned in 2018, and the tax return that uses these tax rates was due in April 2019.
Both Iowa's tax brackets and the associated tax rates were last changed one year prior to 2019 in 2018.
The latest available tax rates are for 2024, and the Iowa income tax brackets have been changed since 2018.
2019 Iowa Tax Deduction Amounts
Tax-Brackets.org also maintains an archive of important Iowa income tax exemption amounts, including the Iowa Standard Deduction, the Iowa Personal Exemption, and the Iowa Dependent Deduction. The values of these deductions for tax year 2018 are as follows:
| Standard Deduction (Single) | Standard Deduction (MFJ) | Personal Exemption | Dependant Exemption |
|---|---|---|---|
| $2,080.00 | $5,120.00 | $40.00 * | $40.00 * |
* Note: In Iowa, personal / dependent exemptions are treated as income tax credits rather than tax deductions.
Sources & Citations
Disclaimer: While we do our best to keep our historical Iowa income tax rates up to date and complete, we cannot be held liable for errors or omissions. Is info on this page missing or out-of-date? Please let us know so we can fix it!
Tax Data Sources:
- The Iowa tax brackets on this page sourced from the Iowa Department of Revenue for 2019. Please contact us if any of our Iowa tax data is incorrect or out of date.