what is the iowa state income tax rate
Iowa Income Tax Rate 2016 - 2017. Iowa state income tax rate table for the 2016 - 2017 filing season has nine income tax brackets with IA tax rates of 0.36%, 0.72%, 2.43%, 4.5%, 6.12%, 6.48%, 6.8%, 7.92% and 8.98% for Single, Married Filing Jointly, Married Filing Separately, and Head of Household statuses. The Iowa tax rate and tax brackets are unchanged from last year.