Missouri Income Tax

Missouri uses a flat income tax rate applied to all taxable income. Combined with federal tax, this determines your total income tax burden.

Why It Matters

Understanding Missouri's income tax structure helps you accurately estimate take-home pay, compare compensation across states, and plan for your total tax burden.

Try the calculator

Open Missouri Income Tax Calculator →

How It Works

The calculator computes both your federal and Missouri state income tax to show your combined tax burden. Enter your taxable income to see the breakdown.

Example

Single filer • $100,000 taxable income • 2026

Federal

$16,712

16.71%

Missouri

$4,700

4.70%

Combined

$21,412

21.41%

Resources

Missouri Tax Authority

Official Missouri state tax information, forms, and filing resources.

Source: Missouri Department of Revenue

Frequently Asked Questions

How does Missouri's flat tax work?

Missouri uses a flat 4.70% rate on all taxable income. Unlike progressive systems, every dollar is taxed at the same rate regardless of how much you earn.

Is Missouri's income tax in addition to federal tax?

Yes. You pay both federal income tax and Missouri state income tax. This calculator shows your combined total tax burden from both.

What is Missouri's top income tax rate?

Missouri's income tax rate is 4.70% (flat rate). Since it's a flat tax, this is both your marginal and effective state rate.