If you make $55,000 a year living in the region of Delaware, USA, you will be taxed $11,781. That means that your net pay will be $43,219 per year, or $3,602 per month. Your average tax rate is 21.4% and your marginal tax rate is 35.2%. 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 $35.20, hence, your net pay will only increase by $64.80.
A $1,000 bonus will generate an extra $648 of net incomes. A $5,000 bonus will generate an extra $3,240 of net incomes.