South Carolina Income Tax Calculator
South Carolina's top marginal state income tax rate is 6.20%. This calculator combines federal and state brackets to estimate your total liability.
South Carolina Income Tax in 2026
South Carolina uses a progressive income tax with a top marginal rate of 6.20%. That rate kicks in at higher income levels; most filers fall into a lower effective bracket. Lower-income households often pay an effective state rate of 2–4%.
Combined with federal tax (10%–37%), Social Security (6.2% up to the wage base) and Medicare (1.45%), the all-in federal+state tax bite for South Carolina residents at $100k gross typically lands in the 25%–32% effective range, depending on deductions.
Federal + State Tax at Common Income Levels (South Carolina, single filer)
| Revenu brut | Impôt fédéral | Taxe de l'État | Net |
|---|---|---|---|
| $40,000 | $2,816 | $1,024 | $36,160 |
| $60,000 | $5,216 | $1,830 | $52,954 |
| $80,000 | $9,441 | $2,636 | $67,923 |
| $100,000 | $13,841 | $3,442 | $82,717 |
| $150,000 | $25,539 | $5,457 | $119,005 |
| $200,000 | $37,539 | $7,472 | $154,990 |
| $300,000 | $70,265 | $11,502 | $218,234 |
Estimates only — assumes standard deduction, no credits, no FICA. Consult a CPA for filing decisions.