Iowa

State Income Tax

3.8%

Flat Rate

Exempt

Social Security

2026-04-30

Filing Deadline

Flat

Structure

Full Tax Details

Has Income TaxYes

Tax StructureFlat Rate

Rate3.8%

Single Standard DeductionN/A

Married Standard DeductionN/A

Single Personal ExemptionN/A

Married Personal ExemptionN/A

Taxes Social SecurityExempt

Taxes Retirement IncomeExempt

Filing Deadline2026-04-30

Retirement Income Details

Retirement income, pensions, and Social Security are tax-exempt for residents 55 and older.

Official Payment Portal

Iowa Department of Revenue

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.