Summary
If you make $7,740 a year living in the region of Delaware, USA, you will be taxed $647. That means that your net pay will be $7,093 per year, or $591 per month. Your average tax rate is 8.4% and your marginal tax rate is 9.9%. 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 $9.85, hence, your net pay will only increase by $90.15.
Bonus Example
A $1,000 bonus will generate an extra $902 of net incomes. A $5,000 bonus will generate an extra $4,508 of net incomes.