What Is California State Tax Rate 2024. First, we calculate your adjusted gross income (agi) by taking your total household income and reducing it by certain items. So, while a tax increase is true for most people making more than $154,000, the potential combined tax rate of 14.4% applies to california’s top income tax bracket,.
Connecticut’s top rate is 6.99% and new jersey’s is 10.75%,. California uses a graduated, or progressive tax system, with nine brackets that apply to taxable income: