South Carolina W4 2025

South Carolina W4 2025. Calculate your income tax, social security. The 2025 tax rates and thresholds for both the south carolina state tax tables and federal tax tables are comprehensively integrated into the south carolina tax calculator for 2025.

The highest tax rate decreases to 6.2%, from 6.4%, in the formula, a. If the employee is working in south carolina, regardless of where they are a resident, the income earned in south carolina is taxed by south carolina.