South Carolina State Income Tax Overview
South Carolina (SC) state income tax rate: 6.4% (graduated rate system)
South Carolina Income Tax Brackets (2026)
0% on first $3,460; 3% on $3,461–$17,330; 6.4% above $17,330 (2024; reduced from 7% in 2022, with further reductions to 6.0% planned by 2026)
South Carolina simplified from six brackets to three and has been reducing its top rate. The top 6.4% rate applies at a relatively low income threshold. Further reductions are planned. SC is aggressively trying to reduce its top rate to compete with neighboring states like NC (4.5%) and GA (5.49%).
Median Household Income in South Carolina
The median household income in South Carolina is $56,227. South Carolina's median income is below the national average but growing, driven by retirees, manufacturing (BMW, Boeing, Volvo), and tourism along the coast. The ongoing income tax reductions are intended to attract residents from higher-tax states in the Northeast.
How to Use This Calculator for South Carolina
- Enter your gross income and filing status
- The calculator applies South Carolina's graduated income tax rate of up to 6.4%
- Subtract your standard deduction and any applicable credits
- Review your estimated state and federal tax liability
Frequently Asked Questions
What is the South Carolina state income tax rate?
South Carolina has a graduated income tax with a top rate of 6.4%. 0% on first $3,460; 3% on $3,461–$17,330; 6.4% above $17,330 (2024; reduced from 7% in 2022, with further reductions to 6.0% planned by 2026).
How does South Carolina's income tax compare to the national average?
South Carolina's top income tax rate of 6.4% applies to a graduated rate system. South Carolina simplified from six brackets to three and has been reducing its top rate. The top 6.4% rate applies at a relatively low income threshold. Further reductions are planned. SC is aggressively trying to reduce its top rate to compete with neighboring states like NC (4.5%) and GA (5.49%).
What is the median household income in South Carolina?
The median household income in South Carolina is $56,227. South Carolina's median income is below the national average but growing, driven by retirees, manufacturing (BMW, Boeing, Volvo), and tourism along the coast. The ongoing income tax reductions are intended to attract residents from higher-tax states in the Northeast.
Is this state income tax calculator free to use for South Carolina?
Yes, this state income tax calculator is 100% free with no signup required. It includes South Carolina-specific tax rates and calculates your estimated state and federal tax liability instantly.