Summary
If you make $12,979 a year living in the region of North Dakota, USA, you will be taxed $1,070. That means that your net pay will be $11,909 per year, or $992 per month. Your average tax rate is 8.2% and your marginal tax rate is 16.8%. 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 $16.75, hence, your net pay will only increase by $83.25.
Bonus Example
A $1,000 bonus will generate an extra $833 of net incomes. A $5,000 bonus will generate an extra $4,163 of net incomes.