Summary
If you make $12,948 a year living in the region of South Dakota, USA, you will be taxed $995. That means that your net pay will be $11,953 per year, or $996 per month. Your average tax rate is 7.7% and your marginal tax rate is 12.7%. 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 $12.71, hence, your net pay will only increase by $87.29.
Bonus Example
A $1,000 bonus will generate an extra $873 of net incomes. A $5,000 bonus will generate an extra $4,365 of net incomes.