Get Answers Support Payroll State South Carolina(SC) What are the State Income Tax (SIT) Rates? In South Carolina, the state Income Tax Rate is adjusted based on the income level of the employee paying the tax. Income Tax Bracket 2024 Income Tax Rate $0 - $3,460 0.0% $3460 - $17,330 3.0% $17,330 or more 6.4% Was this helpful? Yes No Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in