Summary
If you make $54,954 a year living in the region of Colorado, USA, you will be taxed $11,385. That means that your net pay will be $43,569 per year, or $3,631 per month. Your average tax rate is 20.7% and your marginal tax rate is 29.9%. 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 $29.85, hence, your net pay will only increase by $70.15.
Bonus Example
A $1,000 bonus will generate an extra $702 of net incomes. A $5,000 bonus will generate an extra $3,508 of net incomes.