Top 10 marginal income tax rates in the U.S.

The map of the U.S. highlights the nine states (and the District of Columbia) with the highest marginal tax rates as of the 2025 filing season.

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Note: California's rate includes 1% tax on income in excess of $1 million; Massachusetts' rate includes 4% surtax on taxable income in excess of $1,053,750.

Source: H&R Block