Summary
If you make $78,187 a year living in the region of Iowa, USA, you will be taxed $19,625. That means that your net pay will be $58,562 per year, or $4,880 per month. Your average tax rate is 25.1% and your marginal tax rate is 35.5%. 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 $35.46, hence, your net pay will only increase by $64.54.
Bonus Example
A $1,000 bonus will generate an extra $645 of net incomes. A $5,000 bonus will generate an extra $3,227 of net incomes.