Monday Map: State Corporate Income Tax Rates May 23, 2011 Nick Kasprak Nick Kasprak Today’s Monday Map shows the top marginal state corporate income tax rate in each state. States with a top marginal rate higher than or equal to 9% are colored blue; states with a flat (single bracket) corporate income tax are colored pink. States with a gross receipts tax instead of (or in addition to) a corporate income tax are colored green, and states with no corporate income tax or gross receipts tax are colored white. Click on the image to enlarge. Stay informed on the tax policies impacting you. Subscribe to get insights from our trusted experts delivered straight to your inbox. Subscribe Share Tweet Share Email Topics Center for State Tax Policy Corporate Income Taxes Data