If you make $55,000 a year living in the region of Idaho, USA, you will be taxed $11,367. That means that your net pay will be $43,634 per year, or $3,636 per month. Your average tax rate is 20.7% and your marginal tax rate is 35.7%. 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 $35.65, hence, your net pay will only increase by $64.35.
A $1,000 bonus will generate an extra $644 of net incomes. A $5,000 bonus will generate an extra $3,218 of net incomes.