South Carolina Bonus Tax Calculator (2026)
South Carolina has no flat bonus rate: the bonus is withheld with your regular pay. Here's an estimate of what you'll take home.
South Carolina rules for bonuses
Regular withholding (aggregate method).
- No supplemental rate in WH-1603F, WH-1603, RR #22-3 or SC Code 12-8
- 2026 formula still 0% / 3% / 6% while Act 110 of 2026 set 1.99% / 5.21% (header #3)
Local taxes: None
Take-home bonus by amount
| Bonus | Federal (22%) | FICA | State | Take-home |
|---|---|---|---|---|
| $1,000 | $220 | $77 | $52 | $651 |
| $2,500 | $550 | $191 | $130 | $1,629 |
| $5,000 | $1,100 | $383 | $261 | $3,257 |
| $10,000 | $2,200 | $765 | $521 | $6,514 |
| $20,000 | $4,400 | $1,530 | $1,042 | $13,028 |
| $50,000 | $11,000 | $3,825 | $2,605 | $32,570 |
Sources
Frequently asked questions
What is the bonus tax rate in South Carolina?
South Carolina has no separate flat rate for bonuses: employers add the bonus to regular wages and use the normal withholding formula. For a $85,000 salary that works out to roughly 5.21% on the bonus.
How much of a $10,000 bonus do I keep in South Carolina?
About $6,514 for a single filer earning $85,000: $2,200 federal, $765 Social Security and Medicare and $521 state.
Will I get some of the bonus tax back?
Possibly. The 22% federal rate is only withholding. At tax time your bonus is taxed at your bracket (22% at this salary).