MISSOURI BONUS TAX · TAX YEAR 2026
Missouri bonus tax calculator
Missouri's bonus tax rate is 4.7%, a flat rate employers may use for a bonus paid separately from regular wages. On a $10,000 bonus with $75,000 of wages, a single filer has $470 of Missouri tax withheld, plus $2,200 of federal income tax and $765 of Social Security and Medicare, and takes home $6,565. The bonus adds $454 to the year's Missouri tax, so $16 more is withheld than owed.
Your bonus after tax
- Take-home bonus
- $6,565.00
- Federal income tax
- $2,200.00
- Social Security and Medicare
- $765.00
- Missouri tax
- $470.00
Missouri tax for the year
- Withheld from the bonus
- $470.00
- Added by the bonus
- $454.49
- Over-withheld
- $15.51
Missouri withholding by bonus size
What a single filer with $75,000 of other wages has withheld from bonuses of different sizes, and takes home.
| Bonus | Federal | Social Security and Medicare | State | Take-home |
|---|---|---|---|---|
| $1,000 | $220 | $77 | $47 | $657 |
| $5,000 | $1,100 | $383 | $235 | $3,283 |
| $10,000 | $2,200 | $765 | $470 | $6,565 |
| $25,000 | $5,500 | $1,913 | $1,175 | $16,413 |
| $50,000 | $11,000 | $3,825 | $2,350 | $32,825 |
Missouri tax withheld vs. owed
The Missouri tax withheld from a $10,000 bonus against the tax the bonus adds to a single filer's year. Over-withholding comes back in your refund; under-withholding is due when you file.
| Annual wages | Withheld | Tax added | Difference |
|---|---|---|---|
| $40,000 | $470 | $456 | $14 over |
| $75,000 | $470 | $454 | $16 over |
| $150,000 | $470 | $470 | $0 |
| $300,000 | $470 | $470 | $0 |
Missouri bonus tax questions
What is the Missouri bonus tax rate for 2026?
Missouri's bonus tax rate is 4.7%, a flat rate employers may use for a bonus paid separately from regular wages. On a $10,000 bonus that is $470 of Missouri tax.
Is a bonus taxed more than regular pay in Missouri?
No. When you file, a bonus is taxed at the same Missouri rates as the rest of your wages; only the withholding differs. For a single filer with $75,000 of wages, a $10,000 bonus adds $454 to the year's Missouri tax and has $470 withheld, so $16 more is withheld than owed. The extra counts toward your refund.
Are Kansas City and St. Louis earnings taxes withheld from a bonus?
They are separate from Missouri withholding. The 4.7% rate covers state tax only, $470 on a $10,000 bonus. The Kansas City and St. Louis earnings taxes have their own withholding, which this calculator does not include.
What the calculator leaves out
- The employer may use the aggregate method instead, and must if no Missouri tax is withheld from regular wages.
- Kansas City and St. Louis earnings taxes are separate and not included.
Federal income tax is withheld at the 22% supplemental rate, 37% on supplemental pay above $1,000,000 in a year. Social Security and Medicare treat the bonus as the year's last pay, so wages above $184,500 owe no more Social Security. Filing status changes only the annual comparison.