South Carolina Income Tax Rate 2025. In south carolina, the average effective tax rate is 0.57%, which is lower than in most states. 65,000.00 federal and south carolina tax calculation example with full calculations with supporting south carolina tax calculator, calculate your own tax return with full deductions and.
Calculate your annual salary after tax using the online south carolina tax calculator, updated with the 2025 income tax rates in south carolina. South carolina has a graduated state individual income tax, with rates ranging from 0.00 percent to 6.40 percent.
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