If you make $55,000 a year living in the region of Washington DC, USA, you will be taxed $12,251. That means that your net pay will be $42,750 per year, or $3,562 per month. Your average tax rate is 22.3% and your marginal tax rate is 36.2%. 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 $36.15, hence, your net pay will only increase by $63.85.
A $1,000 bonus will generate an extra $639 of net incomes. A $5,000 bonus will generate an extra $3,193 of net incomes.