Summary
If you make $188,900 a year living in the region of Washington DC, USA, you will be taxed $62,871. That means that your net pay will be $126,029 per year, or $10,502 per month. Your average tax rate is 33.3% and your marginal tax rate is 39.6%. 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 $39.55, hence, your net pay will only increase by $60.45.
Bonus Example
A $1,000 bonus will generate an extra $605 of net incomes. A $5,000 bonus will generate an extra $3,023 of net incomes.