Iowa Income Tax Table Iowa Income Tax Brackets (Tax Year 2005)

Tax Year 2005 / Filed April 2006

Iowa - 2006 Single Tax Brackets
Tax Bracket Tax Rate
$0.00+ 0.36%
$1,270.00+ 0.72%
$2,539.00+ 2.43%
$5,077.00+ 4.5%
$11,422.00+ 6.12%
$19,036.00+ 6.48%
$25,381.00+ 6.8%
$38,071.00+ 7.92%
$57,106.00+ 8.98%
Iowa - 2006 Married Filing Jointly Tax Brackets

Brackets Not Available

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This page shows's archived Iowa tax brackets for tax year 2005. This means that these brackets applied to all income earned in 2005, and the tax return that uses these tax rates was due in April 2006.

Iowa's income tax brackets were last changed one year prior to 2006 for tax year 2005, and the tax rates have not been changed since at least 2001.

The latest available tax rates are for 2023, and the Iowa income tax brackets have been changed since 2005.

2006 Iowa Tax Deduction Amounts 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 2005 are as follows:

Standard Deduction (Single) Standard Deduction (MFJ) Personal Exemption Dependant Exemption
$1,610.00 $3,970.00 $40.00 * $40.00 *

* Note: In Iowa, personal / dependent exemptions are treated as income tax credits rather than tax deductions.

Iowa Income Tax Table 2006 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 Is info on this page missing or out-of-date?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:

  1. The Iowa tax brackets on this page sourced from the Iowa Department of Revenue for 2006. Please contact us if any of our Iowa tax data is incorrect or out of date.

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