SalarySplitHub
Iowa ยท 2026 tax year State-specific estimate
Iowa salary after tax calculator
Iowa has transitioned to a flat 3.8% income tax, replacing its previous progressive bracket system as part of multi-year tax reform.
Paycheck Breakdown
| Pay Period | Gross Pay | Deductions | Take-Home Pay |
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Iowa estimate
Estimated take-home
Your estimate changes with filing status, Iowa rules, and the deductions you enter.
Iowa State Income Tax Guide (2026)
Iowa has transitioned to a flat 3.8% income tax, replacing its previous progressive bracket system as part of multi-year tax reform.
1. Iowa Flat Tax Rate
Iowa applies a single flat income tax rate of 3.8% to taxable income. Unlike progressive states, the same rate applies whether you are an entry-level worker or a high earner, which makes the calculation straightforward.
2. Deductions and Conformance
Iowa does not offer a standard deduction, so the rate applies from the first dollar of taxable income. Pre-tax 401(k) contributions, HSA contributions, and employer health premiums reduce your Iowa taxable income.
3. Local Taxes to Watch
Iowas flat rate will drop to 3.65% in 2027 under the states phased tax reform plan.
Compare With Other Flat-Tax States
Iowa is one of several states using a flat income tax rate. Compare your take-home pay across flat-tax states: Illinois (4.95%), Pennsylvania (3.07%), Georgia (4.99%), North Carolina (3.99%), Arizona (2.5%), Colorado (4.4%), Michigan (4.25%), Indiana (3.05%), Kentucky (3.5%), Utah (4.55%), Mississippi (4.7%), Idaho (5.8%).
Compare Take-Home Pay Across States
Wondering how your income taxes compare to other states? Explore our detailed guides and paycheck calculators for other states: