Summary
If you make $12,096 a year living in the region of Washington, USA, you will be taxed $979. That means that your net pay will be $11,117 per year, or $926 per month. Your average tax rate is 8.1% and your marginal tax rate is 8.6%. 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 $8.58, hence, your net pay will only increase by $91.42.
Bonus Example
A $1,000 bonus will generate an extra $914 of net incomes. A $5,000 bonus will generate an extra $4,571 of net incomes.