Summary
If you make $66,099 a year living in the region of Connecticut, USA, you will be taxed $17,317. That means that your net pay will be $48,782 per year, or $4,065 per month. Your average tax rate is 26.2% and your marginal tax rate is 37.1%. 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 $37.14, hence, your net pay will only increase by $62.86.
Bonus Example
A $1,000 bonus will generate an extra $629 of net incomes. A $5,000 bonus will generate an extra $3,143 of net incomes.