Summary
If you make $20,105 a year living in the region of Washington, USA, you will be taxed $2,343. That means that your net pay will be $17,762 per year, or $1,480 per month. Your average tax rate is 11.7% and your marginal tax rate is 18.8%. 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 $18.80, hence, your net pay will only increase by $81.20.
Bonus Example
A $1,000 bonus will generate an extra $812 of net incomes. A $5,000 bonus will generate an extra $4,060 of net incomes.