South Carolina Income Tax Brackets 2026

South Carolina uses a progressive income tax system with 3 brackets.

State Tax

6.4%

Top marginal rate

COL Index

90

Below national avg

Median Income

$63,623

Household

Brackets

3

Progressive

South Carolina Tax Brackets

Income RangeMarginal Rate
$0$3,4600.00%
$3,460$17,3303.00%
$17,330and above6.40%

South Carolina State Tax at Different Income Levels

Gross IncomeState TaxEffective Rate
$50,000$2,5075.01%
$75,000$4,1075.48%
$100,000$5,7075.71%
$150,000$8,9075.94%
$200,000$12,1076.05%
$300,000$18,5076.17%

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Frequently Asked Questions about South Carolina Taxes

Does South Carolina have state income tax?

South Carolina has a progressive income tax system with rates ranging from 0.0% to 6.4% for 2026.

How much is federal tax in South Carolina?

Federal income tax in South Carolina is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.

What is the cost of living in South Carolina?

The cost of living in South Carolina has an index of 90, where 100 is the national average. This means South Carolina is 10% cheaper than the average US state.