South Carolina tax tables 2026
The figures set by or for South Carolina for 2026: income tax brackets, payroll contributions and employer rates. Federal or national figures for the US are on the national page.
- 2026-01-01 to 2026-12-31
- USD
Income tax
South Carolina income tax brackets: All filing statuses
| State taxable income, per year | Rate |
|---|---|
| $0 to $30,000 | 1.99% |
| Over $30,000 | 5.21% |
Source: SCDOR SC Information Letter #26-23, Tax Legislative Update for 2026 (Oct. 1, 2026), House Bill 4216 (Act No. 110), Sections 1–3 · retrieved 2026-10-20
South Carolina income tax: key figures
| Item | Value |
|---|---|
| Type | Progressive brackets |
| Top rate | 5.21% |
| Standard deduction: SingleSC Income Adjusted Deduction; phases out between $40,001 and $95,000 of federal AGI. | $15,000 |
| Standard deduction: Married filing separatelySCIAD; phases out between $40,001 and $95,000 of federal AGI. | $15,000 |
| Standard deduction: Head of householdSCIAD; phases out between $60,001 and $142,500 of federal AGI. | $22,500 |
| Standard deduction: Married filing jointlySCIAD; phases out between $80,001 and $190,000 of federal AGI. | $30,000 |
| Standard deduction: Qualifying surviving spouseSCIAD; same as married filing jointly. | $30,000 |
Source: SCDOR SC Information Letter #26-23, Tax Legislative Update for 2026 (Oct. 1, 2026), House Bill 4216 (Act No. 110), Sections 1–3 · retrieved 2026-10-20
Employee contributions
South Carolina supplemental (bonus) withholding
| Item | Value |
|---|---|
| Supplemental rate | None published: bonuses are withheld with regular wages |
Source: SCDOR WH-1603F (2026) and WH-105 South Carolina Withholding Tax Information Guide · retrieved 2026-10-20
Employer costs
South Carolina state unemployment insurance (employer)
| Item | Value |
|---|---|
| Taxable wage base (per employee, per year) | $14,000 |
| New employer rate | 1% |
| Experience-rated range: lowest | 0% |
| Experience-rated range: highest | 5.4% |
South Carolina's base new-employer rate from the U.S. Department of Labor's 2026 summary. State surcharges, if any, are not included.
Source: U.S. Department of Labor, Significant Provisions of State Unemployment Insurance Laws, Effective July 2026 · retrieved 2026-10-16
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Official sources
- WH-1603F Formula for Computing South Carolina 2026 Withholding Tax (Rev. 11/4/25) · retrieved 2026-10-20
- WH-1603 2026 Withholding Tax Tables (Rev. 10/30/25) · retrieved 2026-10-20
- 2026 SC W-4 Employee's Withholding Allowance Certificate (Rev. 12/5/25) · retrieved 2026-10-20
- SC Information Letter #26-23: Tax Legislative Update for 2026 · retrieved 2026-10-20
- Information about H. 4216 · retrieved 2026-10-20
- Individual Income Tax · retrieved 2026-10-20
- South Carolina Withholding tables updated for 2026 (Nov. 6, 2025) · retrieved 2026-10-20
- WH-105 South Carolina Withholding Tax Information Guide · retrieved 2026-10-20
- Withholding · retrieved 2026-10-20
- SC Information Letter #26-20: Individual Income Tax Reform (Aug. 31, 2026) · retrieved 2026-10-20
- 2025-2026 Bill 4216 (Act No. 110), ratified text and status · retrieved 2026-10-20
- South Carolina Code of Laws, Title 12, Chapter 8 (Withholding Tax), Section 12-8-520 · retrieved 2026-10-20
- U.S. Department of Labor, Significant Provisions of State Unemployment Insurance Laws, Effective July 2026 · retrieved 2026-10-16
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