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Iowa Income Tax Table Iowa Income Tax Brackets (Tax Year 2014)
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Tax Year 2014 / Filed April 2015

Iowa - 2015 Single Tax Brackets
Tax Bracket Tax Rate
$0.00+ 0.36%
$1,539.00+ 0.72%
$3,078.00+ 2.43%
$6,156.00+ 4.5%
$13,851.00+ 6.12%
$23,085.00+ 6.48%
$30,780.00+ 6.8%
$46,170.00+ 7.92%
$69,255.00+ 8.98%
Iowa - 2015 Married Filing Jointly Tax Brackets
Tax Bracket Tax Rate
$0.00+ 0.36%
$1,539.00+ 0.72%
$3,078.00+ 2.43%
$6,156.00+ 4.5%
$13,851.00+ 6.12%
$23,085.00+ 6.48%
$30,780.00+ 6.8%
$46,170.00+ 7.92%
$69,255.00+ 8.98%

This page shows Tax-Brackets.org's archived Iowa tax brackets for tax year 2015. This means that these brackets applied to all income earned in 2014, and the tax return that uses these tax rates was due in April 2015.

Iowa's income tax brackets were last changed two years prior to 2015 for tax year 2013, and the tax rates have not been changed since at least 2001.

The current tax year is 2020, and the Iowa income tax brackets have been changed since 2015.

2015 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 2015 are as follows:

Standard Deduction (Single) Standard Deduction (MFJ) Personal Exemption Dependant Exemption
$1,950.00 $4,810.00 $40.00 * $40.00 *

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

Iowa Income Tax Table 2015 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 Is info on this page missing or out-of-date?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 in 2015. Please contact us if any of our Iowa tax data is incorrect or out of date.

** This Document Provided By Tax-Brackets.org **
Source: http://www.tax-brackets.org/iowataxtable/2015