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State Tax Data

Providing journalists, taxpayers, and policymakers with the latest data on taxes and spending is a cornerstone of the Tax Foundation’s educational mission.

As a nonpartisan, educational organization, the Tax Foundation has earned a reputation for independence and credibility. Our state tax policy team regularly provides accessible, data-driven insights on state tax rates, collections, burdens and more, from sources such as the U.S. Census Bureau, Internal Revenue Service (IRS), and others.

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Tax Data by State

Get facts about taxes in your state and around the U.S.

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764 Results
marriage penalty, marriage tax penalty in their tax brackets,

Does Your State Have a Marriage Penalty?

A marriage penalty is when married couples filing jointly face a higher effective tax rate than they would if they filed as two single individuals with the same amount of combined income.

2 min read