Summary
If you make $31,151 a year living in the region of Oklahoma, USA, you will be taxed $5,351. That means that your net pay will be $25,800 per year, or $2,150 per month. Your average tax rate is 17.2% and your marginal tax rate is 24.4%. 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 $24.39, hence, your net pay will only increase by $75.61.
Bonus Example
A $1,000 bonus will generate an extra $756 of net incomes. A $5,000 bonus will generate an extra $3,781 of net incomes.