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Tax year 2026 · state vs state

Oklahoma vs South Carolina Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $513 less state income tax a year in Oklahoma than in South Carolina, which is about $43 a month. At $150,000 the gap is $1,638 in favor of Oklahoma.

Oklahoma: up to 4.5%South Carolina: up to 6%Updated October 10, 2026

Compare Oklahoma and South Carolina 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.

1Oklahoma

Lowest

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

2South Carolina

22.3%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$3,343
Payroll tax (FICA)
$5,738
Total tax
$16,750
Net income (annual)
$58,250

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💰 Monthly breakdown

Your take-home pay, spread across the year

Oklahoma

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

South Carolina

Monthly gross$6,250
Monthly tax$1,396
Monthly take-home$4,854

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

Oklahoma vs South Carolina: how the two systems differ

OklahomaSouth Carolina
Wage income taxProgressive, 3 bracketsProgressive, 2 brackets
Top rate4.5%6%
Lowest rate2.5%3%
Deductions and credits (single)$6,350 standard deduction, $1,000 personal exemption$8,350 standard deduction

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.

IncomeOK state taxSC state taxDifferenceOK take-homeSC take-home
$30,000$805$643$162 less in South Carolina$25,481$25,642
$40,000$1,255$1,243$12 less in South Carolina$33,066$33,077
$50,000$1,705$1,843$138 less in Oklahoma$40,651$40,512
$60,000$2,155$2,443$288 less in Oklahoma$48,236$47,947
$75,000$2,830$3,343$513 less in Oklahoma$58,763$58,250
$100,000$3,955$4,843$888 less in Oklahoma$75,226$74,337
$150,000$6,205$7,843$1,638 less in Oklahoma$107,587$105,948
$250,000$10,705$13,843$3,138 less in Oklahoma$172,478$169,339

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

Married filing jointly

IncomeOK state taxSC state taxDifferenceOK take-homeSC take-home
$75,000$2,284$2,842$558 less in Oklahoma$62,339$61,781
$100,000$3,409$4,342$933 less in Oklahoma$81,301$80,368
$150,000$5,659$7,342$1,683 less in Oklahoma$117,526$115,843
$250,000$10,159$13,342$3,183 less in Oklahoma$187,309$184,126

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 and South Carolina charge the same state income tax (nothing) up to roughly $12,500 of income. Above that, South Carolina is the lower-tax state. The order flips again near $42,500, so the better state depends on where your income falls.

Rates side by side

Oklahoma (single filers)

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

South Carolina (single filers)

3%$3,641 to $18,230
6%Over $18,230

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

Oklahoma vs South Carolina FAQ

Which has lower income tax, Oklahoma or South Carolina?+

Oklahoma is lower at $75,000: $2,830 of state income tax versus $3,343 in South Carolina. At $150,000 it is $6,205 in Oklahoma and $7,843 in South Carolina. For a single filer, Oklahoma and South Carolina charge the same state income tax (nothing) up to roughly $12,500 of income. Above that, South Carolina is the lower-tax state. The order flips again near $42,500, so the better state depends on where your income falls.

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

A single filer keeping $75,226 a year in Oklahoma would keep $74,337 in South Carolina after federal, state and payroll tax. The difference is $888 a year, or $74 a month.

How do the Oklahoma and South Carolina income tax systems differ?+

Oklahoma uses progressive rates up to 4.5%; South Carolina uses progressive rates up to 6%. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this Oklahoma vs South Carolina 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 Oklahoma to South Carolina 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.