Summary
If you make $179,920 a year living in the region of Iowa, USA, you will be taxed $55,806. That means that your net pay will be $124,114 per year, or $10,343 per month. Your average tax rate is 31.0% and your marginal tax rate is 33.0%. 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 $32.96, hence, your net pay will only increase by $67.04.
Bonus Example
A $1,000 bonus will generate an extra $670 of net incomes. A $5,000 bonus will generate an extra $3,352 of net incomes.