Missouri State Tax Calculator (2026)

How Missouri taxes income

Missouri charges 2% to 4.7%. State tax is a separate calculation from your federal return rather than a share of it — Missouri sets its own schedule and its own definition of taxable income.

• Top marginal rate: 4.7%, reached at $9,436 for a single filer
• Brackets: 7 graduated bands, starting at 2% above $1,348
• Standard deduction: $16,100 single / $32,200 joint
• Personal exemption: None

Rate figures are as of January 1, 2026 and come from the published Tax Foundation compilation; they have not been independently checked against Missouri Department of Revenue. States do change rates mid-year, so confirm a figure there before relying on it.

What catches people out in Missouri

• Missouri has 7 brackets for a single filer, from 2% up to 4.7%, and the first band starts at $1,348 rather than at zero — income below that is untaxed.
• Joint filers use the SAME bracket floors as single filers rather than doubled ones, so two people earning similar amounts reach each rate at half the combined income they would have as individuals. That is a marriage penalty written into the schedule, and it is the opposite of how the federal brackets work.
• The Missouri standard deduction is $16,100 for a single filer and $32,200 for a couple filing jointly. It is a separate figure from the federal standard deduction and usually much smaller, so itemising is a decision you make once federally and again for the state.
• Missouri EXEMPTS capital gains income from its individual income tax, which no other state with an income tax does. Local income taxes are excluded; the average local rate is 0.18% of AGI (footnote a). Missouri also allows some or all of federal income tax paid to be deducted from state taxable income (footnote b), which is not modelled here.

What this estimate leaves out

Three things are deliberately outside this calculation, because they change more often than annually and a confident wrong number does real damage on a tax page.

• Personal exemptions are not applied.
• Local and city income tax is not included. New York City is the significant one nationally.
• State-specific credits, subtractions and income addbacks are out of scope and can move the result either way.

If you have income in India, Missouri is where treaty relief runs out

States are not parties to the India-US tax treaty, and a state credit for "taxes paid to other jurisdictions" almost always means other US states rather than other countries.

So NRO interest, Indian rental income or a gain on Indian shares can be taxed by Missouri with no credit for the Indian tax deducted at source — even though Form 1116 largely neutralises that same tax federally.

The treatment is not uniform across states, so treat this as the general position rather than as Missouri's confirmed one, and check the credit rules with Missouri Department of Revenue before relying on relief.

Sources

• Tax Foundation — 2026 State Income Tax Rates and Brackets
• Missouri Department of Revenue — the authority for Missouri