One of the biggest revenue-raisers of the Republican tax plan is the elimination of the deduction for state and local taxes. But it's not just blue districts that benefit from this — many GOP districts in states like California, New York and New Jersey also see heavy use of the deduction, which saves filers a lot of money.

Why this matters: Of those districts, several incumbents are also seen as vulnerable in 2018, making the vote to repeal the deduction politically difficult. But it also raises around $1.3 trillion over 10 years for a plan that's already short on ways to pay for it.

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Data: Tax Policy Center and Daily Kos Elections; Chart: Chris Canipe / Axios

Correction: An earlier version of this post used party-control data from 2014. The graphic has been updated to include only House seats currently filled by Republicans.

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