Summary
If you make $340,000 a year living in the region of Connecticut, USA, you will be taxed $128,026. That means that your net pay will be $211,975 per year, or $17,665 per month. Your average tax rate is 37.7% and your marginal tax rate is 44.3%. 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 $44.34, hence, your net pay will only increase by $55.66.
Bonus Example
A $1,000 bonus will generate an extra $557 of net incomes. A $5,000 bonus will generate an extra $2,783 of net incomes.