Summary
If you make $31,245 a year living in the region of Delaware, USA, you will be taxed $5,547. That means that your net pay will be $25,698 per year, or $2,141 per month. Your average tax rate is 17.8% and your marginal tax rate is 25.2%. 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 $25.20, hence, your net pay will only increase by $74.80.
Bonus Example
A $1,000 bonus will generate an extra $748 of net incomes. A $5,000 bonus will generate an extra $3,740 of net incomes.