Summary
If you make $54,966 a year living in the region of Iowa, USA, you will be taxed $11,448. That means that your net pay will be $43,518 per year, or $3,626 per month. Your average tax rate is 20.8% and your marginal tax rate is 31.5%. 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 $31.52, hence, your net pay will only increase by $68.48.
Bonus Example
A $1,000 bonus will generate an extra $685 of net incomes. A $5,000 bonus will generate an extra $3,424 of net incomes.