California State Inc …

California State Income Tax Brackets 2024 Income. Californians pay the highest marginal state income tax rate in the country — 13.3%, according to tax foundation data. The california state income tax return, form 540, can guide you on figuring out the taxable income using the tax brackets.

The top california income tax rate has been 13.3% for a decade, but effective on january 1, 2024, the new top rate. The agency has boosted the income thresholds for each.