South Carolina Income Tax for Married Filing Jointly (2026)
Filing as a Married Filing Jointly in South Carolina? Heres everything you need to know about the state income tax: brackets, standard deduction, and worked examples for common income levels.
South Carolina Tax Brackets (2026)
For Married Filing Jointly in South Carolina, the tax brackets for 2026 are:
| Taxable Income | Tax Rate |
|---|---|
| $0 - $3,460 | 3.0% |
| $3,460 - $17,330 | 6.4% |
The standard deduction for Married Filing Jointly in South Carolina is $29,200. You can take this deduction or itemize, whichever results in a lower tax bill.
$75,000 Income Example
Lets say youre a Married Filing Jointly in South Carolina earning $75,000/year. After the $29,200 standard deduction, your taxable income is $45,800. Your South Carolina state tax is approximately:
Your effective state tax rate is 4.9%. This is on top of federal income tax (and local taxes if applicable).
More Examples for Married Filing Jointly in South Carolina
| Gross Income | Taxable Income | State Tax | Effective Rate |
|---|---|---|---|
| $50,000 | $20,800 | $2,101 | 4.2% |
| $75,000 | $45,800 | $3,701 | 4.9% |
| $100,000 | $70,800 | $5,301 | 5.3% |
| $150,000 | $120,800 | $8,501 | 5.7% |
| $200,000 | $170,800 | $11,701 | 5.9% |
South Carolina-Specific Deductions and Credits
Beyond the standard deduction, South Carolina offers several tax deductions and credits that can reduce your tax bill:
- Retirement income exclusion: Some states exclude retirement income for seniors
- Property tax credit: Available in some states for homeowners and renters
- Earned Income Tax Credit (EITC): Some states have their own EITC in addition to the federal one
- Child and dependent care credit: Available in many states
- Education credits: 529 plan contributions or tuition deductions may be available
Use the South Carolina income tax calculator to model your specific situation, including deductions and credits.
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Filing South Carolina state taxes depends on your residency status:
- South Carolina residents: File Form ST-SC-1 with your state Department of Revenue. Due April 15 (same as federal).
- Part-year residents: File Form ST-SC-1-PR, reporting only income earned while a resident
- Non-residents: File Form ST-SC-1-NR if you earned income in South Carolina
Frequently Asked Questions
What is the South Carolina tax bracket for Married Filing Jointly?
The South Carolina tax brackets for Married Filing Jointly range from 3.0% to 6.4%. The standard deduction is $29,200.
How much South Carolina tax do I owe on a $75K income as a Married Filing Jointly?
On a $75,000 income as a Married Filing Jointly in South Carolina, you owe approximately $3,701 in state income tax. Your effective state tax rate is 4.9%.
What is the standard deduction for Married Filing Jointly in South Carolina?
The standard deduction for Married Filing Jointly in South Carolina is $29,200. You can take this or itemize, whichever is higher.