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Missouri Income Tax Calculator

Estimate your 2026 combined federal and Missouri income tax — Missouri adds progressive state income tax on top of federal.

InputsTY-2026
$
$
$
Federal + state tax16.9% effective
$16,933/yr
10% on $12,400$1,240
12% on $38,000$4,560
22% on $33,500$7,370
federal tax subtotal$13,170
MO state tax$3,763
taxable income
$83,900
marginal rate
22.0%
after tax
$83,067

A single filer earning Missouri's median household income of $78,390 owes about $2,747 in Missouri state income tax — an effective state rate of 3.50%. That is state tax only, on top of federal income tax and FICA.

Based on 2026 Missouri rules and 2026 federal rules, with the standard deduction and no other adjustments. Median income is the 2024 Census figure.

Income tax in Missouri

Missouri's 2026 top rate is 4.7%, with the first $1,348 of taxable income exempt and the same brackets for every filing status; its standard deduction matches the federal amounts ($16,100 single / $32,200 joint). The brackets are inflation-indexed, so every threshold shifted up this year even though no rate changed. Kansas City and St. Louis levy a 1% earnings tax on wages that is not included here.

Missouri income tax structure (2026)

Missouri uses 8 progressive brackets on income above a $16,100 standard deduction (single). Single-filer brackets:

$0 – $1,3480%
$1,349 – $2,6962%
$2,697 – $4,0442.50%
$4,045 – $5,3923%
$5,393 – $6,7403.50%
$6,741 – $8,0884%
$8,089 – $9,4364.50%
over $9,4374.70%

Married-filing-jointly thresholds differ (roughly double in most states). Each slice of income is taxed at its own rate — landing in a bracket does not tax your whole income at that rate.

Common questions

What are Missouri's income tax brackets?
Missouri's 2026 schedule leaves the first $1,348 of taxable income untaxed, then applies seven rates from 2% up to 4.7% above $9,436 (single filer). The same thresholds apply to joint filers, though the standard deduction doubles.
What is the top income tax rate in Missouri?
4.7%, and it begins at $9,436 of taxable income for a single filer — about $25,536 of gross pay, once the $16,100 Missouri subtracts first is added back. Only income above that point is taxed at that rate; everything below it is taxed in the lower bands.
What is the tax bill on $78,390 in Missouri?
A single filer on Missouri's $78,390 median household income (2024 Census figure) owes roughly $2,747 to Missouri — an effective state rate of 3.5% against a 4.7% marginal bracket — plus about $8,416 of federal income tax.
Does Missouri have a standard deduction?
Yes — $16,100 for a single filer and $32,200 on a joint return, subtracted before Missouri's 2%-to-4.7% schedule is applied. A single filer earning less than $16,100 therefore owes no Missouri income tax at all, and at the state's $78,390 median income it saves about $757 of tax.

How we calculate this

Federal brackets per our income-tax methodology, plus Missouri's 2026 state tax. Estimates only — not tax advice.

Missouri Department of Revenue — 2026 Missouri Withholding Tax Formula →Tax Foundation: State Individual Income Tax Rates and Brackets, 2026 →

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Estimates for general informational purposes only; not tax advice. Missouri figures are simplified (credits, local taxes, and AGI adjustments vary) and should be verified with the state Department of Revenue. This estimate does not model the 1% earnings tax charged by Kansas City and St. Louis. Missouri's seven-rate 2%–4.7% schedule is applied with the $16,100 standard deduction for a single filer — not itemized deductions or any Missouri tax credit.