Summary
If you make $2,101 a year living in the region of Washington, USA, you will be taxed $170. That means that your net pay will be $1,931 per year, or $161 per month. Your average tax rate is 8.1% and your marginal tax rate is 8.1%. 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 $8.09, hence, your net pay will only increase by $91.91.
Bonus Example
A $1,000 bonus will generate an extra $919 of net incomes. A $5,000 bonus will generate an extra $4,596 of net incomes.