If you make $55,000 a year living in the region of North Dakota, USA, you will be taxed $9,908. That means that your net pay will be $45,092 per year, or $3,758 per month. Your average tax rate is 18.0% and your marginal tax rate is 31.7%. 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 $31.69, hence, your net pay will only increase by $68.31.
A $1,000 bonus will generate an extra $683 of net incomes. A $5,000 bonus will generate an extra $3,416 of net incomes.