Summary
If you make $29,973 a year living in the region of Iowa, USA, you will be taxed $5,163. That means that your net pay will be $24,810 per year, or $2,067 per month. Your average tax rate is 17.2% and your marginal tax rate is 24.8%. 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 $24.80, hence, your net pay will only increase by $75.20.
Bonus Example
A $1,000 bonus will generate an extra $752 of net incomes. A $5,000 bonus will generate an extra $3,760 of net incomes.