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Mortgage Interest Deduction in Oklahoma 2026

Calculate your mortgage interest deduction tax savings in Oklahoma. With Oklahoma's 4.75% top state tax rate, your combined savings are higher.

Oklahoma Tax Overview

State Income Tax
4.75%
progressive
Sales Tax
4.5%
avg combined: 8.98%
Property Tax Rate
0.87%
Median Income
$55,826

Six brackets 0.25%-4.75%. High combined sales taxes (8.98%). Social Security exempt.

Oklahoma Income Tax Brackets (Single)

0.25%
$0 - $1,000
0.75%
$1,000 - $2,500
1.75%
$2,500 - $3,750
2.75%
$3,750 - $4,900
3.75%
$4,900 - $7,200
4.75%
$7,200 +
Your bracket
$1,338
Est. Total Savings
$750,000
Max Deduction
Itemized
Deduction Type
26.8%
Combined Tax Rate

Mortgage Interest Deduction Savings Calculator for Oklahoma

$
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Federal Savings

$1,100

22% bracket

Oklahoma State

$238

4.75% rate

Total Savings

$1,338

26.8% combined

At a 26.8% combined tax rate in Oklahoma, every $1,000 in deductions saves you $268 in taxes.

Savings by Tax Bracket in Oklahoma

10%
$738
12%
$838
22%
$1,338
24%
$1,438
32%
$1,838
35%
$1,988
37%
$2,088

Includes 4.75% Oklahoma state tax on top of federal savings.

Eligibility Requirements

Homeowners with mortgage on primary or secondary residence

  • 1Must itemize deductions
  • 2Mortgage on qualified home
  • 3Limited to $750K mortgage debt

Oklahoma residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 4.75%.

Common Mistakes to Avoid

  • !Forgetting PMI premiums
  • !Not tracking home equity loan interest
  • !Forgetting to claim the deduction on your Oklahoma state return (missing up to 4.75% additional savings)

Oklahoma Filing Tips

Social Security fully exempt. Be aware of high combined sales taxes. Compare to no-income-tax Texas next door.

Required Tax Forms

Schedule AForm 1098

File these forms with your federal tax return to claim the mortgage interest deduction. Oklahoma may require additional state-specific forms.

Calculate Your Full Tax Savings in Oklahoma

Use our free tax calculators to optimize your entire tax return for Oklahoma.

Frequently Asked Questions

How much can I save with the Mortgage Interest Deduction in Oklahoma?

In Oklahoma, the mortgage interest deduction can save you an estimated $1,338 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $238 in Oklahoma state tax savings at the 4.75% marginal rate. The national average savings is $3,500/year.

What is the Oklahoma state income tax rate?

Oklahoma has a progressive income tax system with a top rate of 4.75%. Six brackets 0.25%-4.75%. High combined sales taxes (8.98%). Social Security exempt.

Who qualifies for the Mortgage Interest Deduction in Oklahoma?

Homeowners with mortgage on primary or secondary residence. The eligibility requirements are the same whether you live in Oklahoma or another state, as this is a federal tax deduction. However, your total savings will vary based on Oklahoma's 4.75% top state tax rate.

What tax forms do I need to claim the Mortgage Interest Deduction in Oklahoma?

To claim the mortgage interest deduction, you need to file Schedule A and Form 1098 with your federal return. Oklahoma residents should also check if the state allows this deduction on their state return for additional savings of up to 4.75%. Filing status affects your deduction limits and tax bracket.

Is the Mortgage Interest Deduction better in Oklahoma than in states without income tax?

Yes, Oklahoma residents benefit more because the state's 4.75% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 26.8% means more savings per dollar deducted.

What is the standard deduction in Oklahoma for 2026?

Oklahoma's standard deduction is $6,350 for single filers and $12,700 for married filing jointly. Social Security fully exempt. Be aware of high combined sales taxes. Compare to no-income-tax Texas next door.