Summary
If you make $18,623 a year living in the region of North Dakota, USA, you will be taxed $2,126. That means that your net pay will be $16,497 per year, or $1,375 per month. Your average tax rate is 11.4% and your marginal tax rate is 18.8%. 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 $18.75, hence, your net pay will only increase by $81.25.
Bonus Example
A $1,000 bonus will generate an extra $813 of net incomes. A $5,000 bonus will generate an extra $4,063 of net incomes.