Summary
If you make $12,588 a year living in the region of Mississippi, USA, you will be taxed $1,182. That means that your net pay will be $11,406 per year, or $951 per month. Your average tax rate is 9.4% and your marginal tax rate is 12.9%. 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 $12.85, hence, your net pay will only increase by $87.15.
Bonus Example
A $1,000 bonus will generate an extra $872 of net incomes. A $5,000 bonus will generate an extra $4,358 of net incomes.