Summary
If you make $90,000 a year living in the region of Delaware, USA, you will be taxed $24,162. That means that your net pay will be $65,838 per year, or $5,487 per month. Your average tax rate is 26.9% and your marginal tax rate is 36.3%. 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 $36.25, hence, your net pay will only increase by $63.75.
Bonus Example
A $1,000 bonus will generate an extra $638 of net incomes. A $5,000 bonus will generate an extra $3,188 of net incomes.