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Missouri Individual Income Tax Return-Long Form (MO-1040)

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MO MO-1040 Information

Residents must pay Income tax (the tax you pay on income you earn from your job and investments). Resident must file form-1040 if at least one of the following applies: • You claim: a. A pension or social security/social security disability or military exemption or property tax credit and you also have other special filing situations. (If you do not have any other special filing situations described in this section, you can use Form MO-1040P—Short Form to file your taxes and claim the property tax credit/pension exemption.); b. Miscellaneous tax credits (taken on Form MO-TC); or c. A credit for payment made with the filing of a Form MO-60, Application for Extension of Time to File.

Link to official form info:

Link to official form info for MO-1040

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To access the official link to form MO MO-1040 and get reminded when it's due, sign up for a free Tax Reminder account:

  • Upcoming Due Dates in the Next Year:*
  • Thursday Apr 15, 2027

  • Create a free account to see exactly when to file this form, receive email or SMS notification reminders, and to keep a record of filing it in your history.
    * Due dates are based on the filing requirements for this form and may vary depending on your tax year.

Never forget to file MO MO-1040 again.

12 Missouri Tax Filings & Forms:

MO-1040 - Individual Income Tax Return-Long Form MO-NRI - Missouri Income Percentage MO-1040A - Individual Income Tax Return Single/Married (One Income) MO-1120 - Corporation Income Tax Return MO-1120S/MO-FT - Corporation Franchise Tax Schedule MO-1120S - S Corporation Income Tax MO-1065 - Partnership Return of Income MODES-4-7 - Contribution and Wage Report MO941-P - Employer’s Return of Income Taxes Withheld MO941-P - Employer's Return of Income Taxes Withheld MO W3 - Transmittal of Tax Statements 53-1 - Sales Tax Return
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