Oklahoma Resident Income Tax Return 2025 - Form 511 - Personal information, filing status, exemptions, and income tax calculation

Sep 19, 2026

Oklahoma Form 511 is a resident income tax return for 2025 that collects taxpayer and spouse identity details, filing status, address information, and Social Security numbers. The form supports amended returns and indicates deceased taxpayers. It gathers exemptions, dependent information, and age-related questions, then guides calculations of Oklahoma adjusted gross income and Oklahoma taxable income. It includes instructions for itemized vs standard deductions, tax table amounts, optional additional taxes and recaptured credits, and child care and other credits.

LanguageEnglish

CategoryForms

FormatPDF

Pages8

Reading Time3 min

AccessFree to download

Name and address

Filing status and spouse information

Amended return indicators

Exemptions and dependents

Part One: Oklahoma adjusted gross income

Federal adjusted gross income and Oklahoma subtractions

Out-of-state income and Oklahoma additions

Part Two: Oklahoma taxable income, tax and credits

Adjustments, deductions, and exemptions

Oklahoma income tax, additional taxes, and credits

Form 511 Oklahoma Resident Income Tax Return 2025 Your Social Security Number Place an ‘X’ in this box if this taxpayer is deceased Name and Address-Please Print or Type Your First Name Middle Initial Last Name Spouse’s Social Security Number (joint return only) Place an ‘X’ in this box if this taxpayer is deceased | AMENDED RETURN! | | | | --- | --- | --- | | Place an ‘X’ in this box if
this is an amended 511. See
Schedule 511-I. | | | | | | | | | | | If a Joint Return, Spouse’s First Name Middle Initial Last Name Mailing Address (Number and street, including apartment number, rural route, or PO Box) City State ZIP or Postal Code County in Which Located Foreign Country (if not U.S.): | 1
2
3
4
5

Filing Status
Single
Married filing joint return (even if only one had income)
Married filing separate
(If spouse is also filing, list name and SSN below)
Name Social Security Number
Head of household with qualifying person
Qualifying surviving spouse with dependent child
• List year of spouse death here: | Exemptions
*Note: If claiming Special Exemption, see instructions on page 9 of 511 Packet.
Regular * Special Blind | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | =
=
=
= | | | | (a)(b)(c) | | | Number of dependents Add the Totals from lines (a),(b), and (c) .
Enter the TOTAL here: | | | | | | | | | | Note: If you may be claimed as a dependent on another return, enter “0” on the TOTAL line for your regular exemption. | | | | | | | | | | Age 65 or Older? (Please see instructions) | | Yourself | | | | Spouse | | Dependents- If more than four dependents, see instructions and place an ‘X’ here: 1. First Name 2. Last Name 3. Social Security Number 4. Date of Birth 5. Relationship to You PART ONE: TO ARRIVE AT OKLAHOMA ADJUSTED GROSS INCOME 1 Federal adjusted gross income (from Federal 1040 or 1040-SR) .................................................................................... 2 Oklahoma Subtractions (provide Schedule 511-A) ......................................................................................................... 3 Line 1 minus line 2 ........................................................................................................................................................... 4 Out-of-state income, except wages. Describe: (Provide Federal schedule with detailed description; see instructions) 5 Line 3 minus line 4 ........................................................................................................................................................... 6 Oklahoma Additions (provide Schedule 511-B) ............................................................................................................... 7 Oklahoma adjusted gross income (line 5 plus line 6) ...................................................................................................(If line 7 is different than line 1, provide a copy of your federal return.) PART TWO: OKLAHOMA TAXABLE INCOME, TAX AND CREDITS 8 Oklahoma Adjustments (provide Schedule 511-C) .......................................................................................................... 9 Oklahoma income after adjustments (line 7 minus line 8) ................................................................................................ ROUND TO NEAREST WHOLE DOLLAR. 2025 Form 511-Resident Income Tax Return-Page 2 Your Social Security Number: PART TWO: OKLAHOMA TAXABLE INCOME, TAX AND CREDITS (continued) STOP AND READ: If line 4 on page 1 is zero, complete lines 10-11. If line 4 is more than zero, see Schedule 511-E and do not complete lines 10-11. 10 Oklahoma itemized deductions (from Schedule 511-D, line 11) or Oklahoma standard deduction (Single or Married Filing Separate: $6,350 • Married Filing Joint or Qualifying

FAQs

How do I indicate an amended return on Form 511?

Place an ‘X’ in the amended return box. The form also references Schedule 511-I for amended return details.

When should I complete lines 10–11 on page 2?

Follow the stop-and-read instruction: if line 4 on page 1 is zero, complete lines 10–11. If line 4 is more than zero, complete Schedule 511-E and do not complete lines 10–11.

What determines whether I use itemized deductions or the Oklahoma standard deduction?

Line 10 requires either itemized deductions from Schedule 511-D (line 11) or the Oklahoma standard deduction. The standard deduction amounts depend on filing status (Single/Married Filing Separate, Married Filing Joint/Qualifying Surviving Spouse, or Head of Household).

Sep 19, 2026

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