Summary
If you make $100,173 a year living in the region of South Dakota, USA, you will be taxed $22,472. That means that your net pay will be $77,701 per year, or $6,475 per month. Your average tax rate is 22.4% and your marginal tax rate is 31.3%. 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 $31.25, hence, your net pay will only increase by $68.75.
Bonus Example
A $1,000 bonus will generate an extra $688 of net incomes. A $5,000 bonus will generate an extra $3,438 of net incomes.