Summary
If you make $31,590 a year living in the region of Colorado, USA, you will be taxed $5,703. That means that your net pay will be $25,887 per year, or $2,157 per month. Your average tax rate is 18.1% and your marginal tax rate is 24.2%. 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 $24.21, hence, your net pay will only increase by $75.79.
Bonus Example
A $1,000 bonus will generate an extra $758 of net incomes. A $5,000 bonus will generate an extra $3,790 of net incomes.