Geographic Distribution of the Mortgage Interest Deduction

With changes to federal tax expenditures under consideration, data showing the current geographic distribution of the mortgage interest deduction — one of the largest tax expenditures — are key to understanding how federal tax decisions would affect the states. These maps show that mortgage interest claim rates and average deductions vary widely both across and within states.

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    U.S. average:
    Note: Map has been updated using 2011 data.
    Source: Analysis of IRS data