Summary
If you make $11,960 a year living in the region of Washington, USA, you will be taxed $967. That means that your net pay will be $10,993 per year, or $916 per month. Your average tax rate is 8.1% and your marginal tax rate is 8.4%. 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 $8.39, hence, your net pay will only increase by $91.61.
Bonus Example
A $1,000 bonus will generate an extra $916 of net incomes. A $5,000 bonus will generate an extra $4,581 of net incomes.