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Average mortgage interest deducted, 2012, in dollars

Average mortgage interest
deducted:
The county shading is determined by rank out of 3,124 counties. Move the mouse over the map to view individual county data. Average mortgage interest deduction refers to the average deduction conditional on claiming.

Source: IRS Statistics of Income.
Interactive by Marcia Underwood and Christopher Ingraham. Updated 12/5/14.