Summary
If you make $54,959 a year living in the region of South Carolina, USA, you will be taxed $12,414. That means that your net pay will be $42,545 per year, or $3,545 per month. Your average tax rate is 22.6% and your marginal tax rate is 32.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $32.77, hence, your net pay will only increase by $67.23.
Bonus Example
A $1,000 bonus will generate an extra $672 of net incomes. A $5,000 bonus will generate an extra $3,362 of net incomes.