Summary
If you make $54,990 a year living in the region of Idaho, USA, you will be taxed $11,364. That means that your net pay will be $43,626 per year, or $3,636 per month. Your average tax rate is 20.7% and your marginal tax rate is 34.7%. 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 $34.71, hence, your net pay will only increase by $65.29.
Bonus Example
A $1,000 bonus will generate an extra $653 of net incomes. A $5,000 bonus will generate an extra $3,265 of net incomes.