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Tax year 2026 · state vs state

Indiana vs Oklahoma Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $647 less state income tax a year in Indiana than in Oklahoma, which is about $54 a month. At $150,000 the gap is $1,809 in favor of Indiana.

Indiana: 2.95% flatOklahoma: up to 4.5%Updated October 10, 2026

Compare Indiana and Oklahoma for your income

Estimate for education only, not tax advice. 2026 federal and state rules, standard deductions, no local taxes. How we calculate.

State comparison

Comparing 2 states, sorted by lowest overall tax rate.

1Indiana

Lowest

20.8%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,183
Payroll tax (FICA)
$5,738
Total tax
$15,591
Net income (annual)
$59,410

2Oklahoma

21.6%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,830
Payroll tax (FICA)
$5,738
Total tax
$16,237
Net income (annual)
$58,763

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💰 Monthly breakdown

Your take-home pay, spread across the year

Indiana

Monthly gross$6,250
Monthly tax$1,299
Monthly take-home$4,951

Oklahoma

Monthly gross$6,250
Monthly tax$1,353
Monthly take-home$4,897

Estimates use 2026 federal and state rates, the standard deduction for your filing status and no local taxes. Rankings use state income tax only.

Indiana vs Oklahoma: how the two systems differ

IndianaOklahoma
Wage income taxFlat 2.95%Progressive, 3 brackets
Top rate2.95%4.5%
Lowest rate2.95%2.5%
Deductions and credits (single)$1,000 personal exemption$6,350 standard deduction, $1,000 personal exemption

State income tax and take-home pay at every salary

The same salary can leave you with different take-home pay depending on the state. This table applies each state’s 2026 rules to a single filer with no pre-tax contributions.

IncomeIN state taxOK state taxDifferenceIN take-homeOK take-home
$30,000$856$805$51 less in Oklahoma$25,430$25,481
$40,000$1,151$1,255$104 less in Indiana$33,170$33,066
$50,000$1,446$1,705$259 less in Indiana$40,910$40,651
$60,000$1,741$2,155$414 less in Indiana$48,650$48,236
$75,000$2,183$2,830$647 less in Indiana$59,410$58,763
$100,000$2,921$3,955$1,034 less in Indiana$76,260$75,226
$150,000$4,396$6,205$1,809 less in Indiana$109,396$107,587
$250,000$7,346$10,705$3,359 less in Indiana$175,837$172,478

Single filer, 2026, federal standard deduction. Take-home is after federal, state and payroll tax. No local taxes.

Married filing jointly

IncomeIN state taxOK state taxDifferenceIN take-homeOK take-home
$75,000$2,154$2,284$131 less in Indiana$62,469$62,339
$100,000$2,891$3,409$518 less in Indiana$81,819$81,301
$150,000$4,366$5,659$1,293 less in Indiana$118,819$117,526
$250,000$7,316$10,159$2,843 less in Indiana$190,152$187,309

Married filing jointly, 2026, federal standard deduction. Uses each state's joint brackets where they differ.

Does the lower-tax state change as income rises?

For a single filer, Oklahoma is the lower-tax state up to roughly $35,000 of income, and Indiana becomes the lower-tax state above that.

Rates side by side

Indiana (single filers)

2.95%Over $0

Oklahoma (single filers)

2.5%$3,751 to $4,900
3.5%$4,901 to $7,200
4.5%Over $7,200

Full details for each state: Indiana income tax calculator and Oklahoma income tax calculator. Federal rates are on the 2026 federal tax brackets page.

Indiana vs Oklahoma FAQ

Which has lower income tax, Indiana or Oklahoma?+

Indiana is lower at $75,000: $2,183 of state income tax versus $2,830 in Oklahoma. At $150,000 it is $4,396 in Indiana and $6,205 in Oklahoma. For a single filer, Oklahoma is the lower-tax state up to roughly $35,000 of income, and Indiana becomes the lower-tax state above that.

How much more do I keep on $100,000 in Indiana versus Oklahoma?+

A single filer keeping $76,260 a year in Indiana would keep $75,226 in Oklahoma after federal, state and payroll tax. The difference is $1,034 a year, or $86 a month.

How do the Indiana and Oklahoma income tax systems differ?+

Indiana uses a flat 2.95% rate; Oklahoma uses progressive rates up to 4.5%. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this Indiana vs Oklahoma comparison?+

No. It covers federal income tax, Social Security, Medicare and state income tax only. City, county, sales and property taxes are not included, and they can change the real cost of living in each state.

Should I move from Indiana to Oklahoma to save on taxes?+

State income tax is one cost among many. Property and sales taxes, housing, insurance and wages also differ, and you may owe tax to both states in the year you move. Use this comparison as one input and confirm details with a tax professional.

Sources

Last checked October 10, 2026. Confirm with your state tax agency before filing.

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Estimates for education only, not tax, legal or financial advice. Not a substitute for a tax professional or your state revenue department.