Irs Tax Rates 2024 Single.  — in 2024, the top tax rate of 37% applies to those earning over $609,350 for individual single filers, up from $578,125 last year. Navigate to the ‘my account’ section on the homepage.

For example, if you paid $10,000 in taxes on a taxable income of $50,000, your effective tax rate would be 20% (10,000/50,000 = 0.2). Click on the “refund/demand status” option.