Missouri Individual Income Tax Forms (Tax Year 2025)
Missouri individual income taxes are administered by the Missouri Department of Revenue.
This page provides official resources for Missouri individual income tax forms for tax year 2025, filed in 2026.
File Missouri Income Tax Online (2025)
Missouri provides electronic filing and payment through its official online system.
Taxpayers can file returns, make payments, and manage accounts using MyTax Missouri.
Quick Links (Official Missouri Department of Revenue)
The official Missouri Department of Revenue website is available at
Missouri Department of Revenue.
General information about individual income tax is available on the
Missouri individual income tax overview page.
Official Missouri tax forms for all years are available in the
Missouri Department of Revenue forms library.
Missouri Individual Income Tax Forms (2025)
Missouri residents and nonresidents file their state income tax return using
Form MO-1040, Missouri Individual Income Tax Return.
Taxpayers who make estimated payments use Form MO-1040ES.
An extension of time to file may be requested using Form MO-60.
Previously filed Missouri individual income tax returns may be corrected using
Form MO-1040X, Amended Individual Income Tax Return. Missouri Individual Income Tax Deadlines (Tax Year 2025)
Missouri individual income tax returns for tax year 2025 are due April 15, 2026.
Approved filing extensions generally run through October 15, 2026.
Estimated tax payments are generally due on April 15, June 15, September 15, 2026, and January 15, 2027.
Missouri Taxpayer Resources (2025)
Taxpayers can file returns and make payments using MyTax Missouri.
Additional guidance is available on the Missouri individual income tax guidance page.
Contact information for the Missouri Department of Revenue is available on the official contact page.
Disclaimer
This page links to official Missouri Department of Revenue resources for informational purposes only.
Tax laws, forms, and filing requirements may change.
Always verify information on the official Missouri Department of Revenue website.
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