Summary
If you make $109,959 a year living in the region of Iowa, USA, you will be taxed $31,169. That means that your net pay will be $78,790 per year, or $6,566 per month. Your average tax rate is 28.4% and your marginal tax rate is 38.0%. 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 $37.98, hence, your net pay will only increase by $62.02.
Bonus Example
A $1,000 bonus will generate an extra $620 of net incomes. A $5,000 bonus will generate an extra $3,101 of net incomes.