Summary
If you make $149,919 a year living in the region of Montana, USA, you will be taxed $46,745. That means that your net pay will be $103,174 per year, or $8,598 per month. Your average tax rate is 31.2% and your marginal tax rate is 35.6%. 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 $35.57, hence, your net pay will only increase by $64.43.
Bonus Example
A $1,000 bonus will generate an extra $644 of net incomes. A $5,000 bonus will generate an extra $3,222 of net incomes.