Summary
If you make $36,957 a year living in the region of California, USA, you will be taxed $6,738. That means that your net pay will be $30,219 per year, or $2,518 per month. Your average tax rate is 18.2% and your marginal tax rate is 25.3%. 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 $25.29, hence, your net pay will only increase by $74.71.
Bonus Example
A $1,000 bonus will generate an extra $747 of net incomes. A $5,000 bonus will generate an extra $3,736 of net incomes.