Summary
If you make $54,988 a year living in the region of Washington, USA, you will be taxed $9,315. That means that your net pay will be $45,673 per year, or $3,806 per month. Your average tax rate is 16.9% and your marginal tax rate is 29.0%. 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 $28.96, hence, your net pay will only increase by $71.04.
Bonus Example
A $1,000 bonus will generate an extra $710 of net incomes. A $5,000 bonus will generate an extra $3,552 of net incomes.