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Tax year 2026 · state vs state

Kentucky vs Oklahoma Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $322 less state income tax a year in Kentucky than in Oklahoma, which is about $27 a month. At $150,000 the gap is $1,072 in favor of Kentucky.

Kentucky: 3.5% flatOklahoma: up to 4.5%Updated October 10, 2026

Compare Kentucky 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.

1Kentucky

Lowest

21.2%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,507
Payroll tax (FICA)
$5,738
Total tax
$15,915
Net income (annual)
$59,085

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

Kentucky

Monthly gross$6,250
Monthly tax$1,326
Monthly take-home$4,924

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.

Kentucky vs Oklahoma: how the two systems differ

KentuckyOklahoma
Wage income taxFlat 3.5%Progressive, 3 brackets
Top rate3.5%4.5%
Lowest rate3.5%2.5%
Deductions and credits (single)$3,360 standard deduction$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.

IncomeKY state taxOK state taxDifferenceKY take-homeOK take-home
$30,000$932$805$128 less in Oklahoma$25,353$25,481
$40,000$1,282$1,255$28 less in Oklahoma$33,038$33,066
$50,000$1,632$1,705$72 less in Kentucky$40,723$40,651
$60,000$1,982$2,155$172 less in Kentucky$48,408$48,236
$75,000$2,507$2,830$322 less in Kentucky$59,085$58,763
$100,000$3,382$3,955$572 less in Kentucky$75,798$75,226
$150,000$5,132$6,205$1,072 less in Kentucky$108,659$107,587
$250,000$8,632$10,705$2,072 less in Kentucky$174,550$172,478

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

Married filing jointly

IncomeKY state taxOK state taxDifferenceKY take-homeOK take-home
$75,000$2,507$2,284$223 less in Oklahoma$62,115$62,339
$100,000$3,382$3,409$27 less in Kentucky$81,328$81,301
$150,000$5,132$5,659$527 less in Kentucky$118,053$117,526
$250,000$8,632$10,159$1,527 less in Kentucky$188,836$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 $45,000 of income, and Kentucky becomes the lower-tax state above that.

Rates side by side

Kentucky (single filers)

3.5%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: Kentucky income tax calculator and Oklahoma income tax calculator. Federal rates are on the 2026 federal tax brackets page.

Kentucky vs Oklahoma FAQ

Which has lower income tax, Kentucky or Oklahoma?+

Kentucky is lower at $75,000: $2,507 of state income tax versus $2,830 in Oklahoma. At $150,000 it is $5,132 in Kentucky and $6,205 in Oklahoma. For a single filer, Oklahoma is the lower-tax state up to roughly $45,000 of income, and Kentucky becomes the lower-tax state above that.

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

A single filer keeping $75,798 a year in Kentucky would keep $75,226 in Oklahoma after federal, state and payroll tax. The difference is $572 a year, or $48 a month.

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

Kentucky uses a flat 3.5% 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 Kentucky 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 Kentucky 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.