Iowa Paycheck Calculator

How Much of an $83,000 Salary Do You Keep After Iowa State Taxes?

Taxpayers in the Hawkeye State enjoy the benefits of recent sweeping tax reforms, which transitioned Iowa to a low flat income tax rate of 3.8%. By conforming to federal standard deductions, the state provides a robust initial shield against taxable wages. For a single employee earning a gross annual salary of $83,000 with no pre-tax benefits, this flat tax structure and standard deduction—partially offset by a single personal tax credit—results in a net take-home salary of $64,718.

For professionals paid on a bi-weekly cycle—which yields 26 paychecks across the calendar year—this net package translates into a recurring deposit of approximately $2,489 per pay period.

This final net figure is calculated by subtracting federal income taxes (estimable using our Federal Paycheck Calculator), FICA withholdings, and Iowa flat state tax (SIT). To model custom deductions or run comparative scenarios, you can use our standard tools to run customized scenarios.

Iowa State Income Tax Walkthrough: A Step-by-Step Bi-Weekly Calculation

To see how these rules function on a real paycheck stub, let us follow a step-by-step example for an employee earning a gross annual salary of $95,000. This employee files as Single, works on a standard bi-weekly pay cycle (26 paychecks a year), contributes 6% of gross wages to a traditional pre-tax 401(k) ($219.23), and has $100.00 deducted per period for medical premiums.

This results in the following paycheck calculations:

• Gross Period Pay: $3,653.85
• Social Security (6.2% of FICA-taxable base): $220.34
• Medicare (1.45% of FICA-taxable base): $51.53
• Iowa State Income Tax (SIT - 3.8% flat before credits): $101.65 (includes $40 personal credit discount)
• Federal Income Tax withholding (FIT): $394.00 (annualized to $10,244)
• Total paycheck deductions: $1,086.75 (including pre-tax contributions and taxes)
• Net paycheck (Take-Home amount): $2,567.10

Figure 1: Typical bi-weekly paycheck breakdown in Iowa, detailing federal, FICA, and state flat tax allocations.

Standard Deductions and Personal Credits in the Hawkeye State

Unlike progressive states with heavy local surcharges or zero-standard-deduction rules (such as in Delaware or California), Iowa aligns its standard deduction with the federal tax code ($16,100 for Single and Head of Household, $32,200 for Married). This conformed deduction is subtracted directly from adjusted gross income before the flat 3.8% rate is applied.

Furthermore, Iowa applies a unique system of **personal tax credits** to reduce final state liability, rather than subtracting exemptions from taxable income. Single filers claim a flat **$40** personal credit, Married couples claim **$80**, and each qualifying dependent adds **$40** directly to tax savings, making the overall payroll tax load highly competitive.

What Payroll Taxes for Leave or Disability Deductions Apply to Iowa Employees?

Employees in Iowa are exempt from worker-funded payroll deductions for state disability and paid family leave benefits. Unlike states such as Delaware (which levies 0.40% PFML) or California (which levies a 1.30% employee SDI tax), Iowa has no worker deductions for health, leave, or disability benefits.

Iowa's State Unemployment Insurance (SUI) is paid entirely by employers. By state law, no portion of SUI can be withheld from your paycheck. If you live or work in a state with no income tax at all, such as Florida, you will see even fewer withholdings on your paycheck.

Figure 2: Iowa payroll tax factors showing flat 3.8% state income tax, conformed standard deductions, and personal tax credits.

Filing Form IA W-4 for Accurate State Withholding

Your employer calculates state tax withholding using the information provided on Form IA W-4 (Employee’s Withholding Allowance Certificate), managed by the Iowa Department of Revenue.

Form IA W-4 documents your state filing status and claim allowances for children or dependents. Because Iowa uses a flat tax system with standard deductions and credits, coordinating allowances is critical to preventing over-withholding. To coordinate your federal withholding, submit a separate Form W-4.