Mississippi state tax filing

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Mississippi tax details

The Mississippi Department of Revenue made a few changes for the 2025 tax year.

The tax rate was lowered from 4.7% to 4.4%.

This year there is one new credit: The Blighted Property Rehabilitation Credit.

Mississippi is now also requiring businesses to apply for and include a copy of a Mississippi Development Authority (MDA) certification letter in order to claim the MFLEX credit.

2025 Mississippi tax forms

These are the supported Mississippi state tax forms on FreeTaxUSA:

  • Form 71-661
    Mississippi Installment Agreement

  • Form 80-105
    Mississippi Resident Individual Income Tax Return

  • Form 80-106
    Mississippi Individual/Fiduciary Income Tax Voucher

  • Form 80-107
    Mississippi Income/Withholding Tax Schedule

  • Form 80-108
    Mississippi Adjustments and Contributions

  • Form 80-160
    Mississippi Tax Credit for Income Tax Paid to One or More Other States

  • Form 80-205
    Mississippi Non-Resident/Part-Year Resident Individual Income Tax Return

  • Form 80-320
    Mississippi Individual Income Tax Interest and Penalty Worksheet

  • Form 80-401
    Mississippi Tax Credit Summary Schedule

  • Form 80-491
    Mississippi Individual Income Tax Statement of Additional Dependents

  • Form MS8453
    Mississippi Individual Income Tax Declaration for Electronic Filing

Frequently asked questions

2025 Mississippi filing deadlines

Keep these Mississippi state deadlines in mind as you do your taxes.

  • Individual tax returns
    Due by April 15, 2026

  • Mississippi tax extension
    If you expect a refund: Automatic extension. No form required
    If you expect to owe MS taxes: Submit Form 80-106 with payment.
    Due by April 15, 2026

  • Income tax payment
    Due by April 15, 2026

  • Tax returns for extension filers
    Due by October 15, 2026

2025 Mississippi refunds

Ways to receive your refund

Get your Mississippi refund deposited in your bank account, loaded on a prepaid debit card, mailed as a paper check, or put towards next year's Mississippi taxes.

Refund status for e-filed tax returns

If you filed your Mississippi tax return electronically, you can usually check your MS refund status 5-7 business days after the Mississippi Department of Revenue accepts your return.

Refund status for mailed tax returns

If you mailed your Mississippi tax return, you should wait 4 to 6 weeks before checking your MS refund status.

How to check your refund status

Check your MS refund status online
Call the Mississippi Department of Revenue at 601-923-7801

2025 Mississippi state tax payments

Mississippi has many income tax payment options. Find the option that works best for you below.

Pay electronically

You can use this payment option when you e-file with us.

Pay with a card

Visit www.ms.gov/dor/quickpay

Due by April 15, 2026

Pay by mail

You can pay your taxes with your return by mail to:

Mississippi Department of Revenue

P.O. Box 23050

Jackson, MS 39225-3050

Mississippi Department of Revenue contact information:
Phone: (601) 923-7700
Online: Mississippi Department of Revenue

2025 Mississippi extension

An extension extends the time you have to file your return by up to 6 months. If you need to pay taxes, you are required to pay the amount due by April 15, 2026.

You need to pay 80% of your taxes by April 15, 2026. If you pay late, you may be charged interest of NaN% per month on any unpaid taxes.

If you expect a refund from Mississippi:
Automatic with an accepted federal extension.

If you expect to owe Mississippi taxes:
Submit Form 80-106 with your payment by April 15, 2026.

Mississippi prior year taxes

Even though the deadline has passed, you can still prepare Mississippi taxes for prior years. Many people who file late tax returns have refunds waiting for them. We'll help you prepare and mail your federal and state tax returns.

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