Summary
If you make $19,906 a year living in the region of South Dakota, USA, you will be taxed $2,218. That means that your net pay will be $17,688 per year, or $1,474 per month. Your average tax rate is 11.1% and your marginal tax rate is 17.7%. 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 $17.69, hence, your net pay will only increase by $82.31.
Bonus Example
A $1,000 bonus will generate an extra $823 of net incomes. A $5,000 bonus will generate an extra $4,116 of net incomes.