Summary
If you make $89,378 a year living in the region of Washington DC, USA, you will be taxed $25,266. That means that your net pay will be $64,112 per year, or $5,343 per month. Your average tax rate is 28.3% and your marginal tax rate is 38.2%. 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 $38.15, hence, your net pay will only increase by $61.85.
Bonus Example
A $1,000 bonus will generate an extra $619 of net incomes. A $5,000 bonus will generate an extra $3,093 of net incomes.