Summary
If you make $43,780 a year living in the region of South Dakota, USA, you will be taxed $6,843. That means that your net pay will be $36,937 per year, or $3,078 per month. Your average tax rate is 15.6% and your marginal tax rate is 19.7%. 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 $19.65, hence, your net pay will only increase by $80.35.
Bonus Example
A $1,000 bonus will generate an extra $804 of net incomes. A $5,000 bonus will generate an extra $4,018 of net incomes.