Weekly Map: Itemized Deductions by State November 29, 2012 Nick Kasprak Nick Kasprak Today's Weekly Map looks at itemized deductions by state. There's a lot of talk in Washington these days about the possibility of imposing a cap on itemized deductions as a method of raising revenue without raising tax rates. (Mitt Romney proposed a similar idea during the debates last month and the idea is now viewed as a possible compromise method of tax increases.) Which states would be affected the most? Maryland taxpayers claim the most itemized deductions, and North Dakotans the least. Click on the map to enlarge it. View previous weekly maps here. 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 Federal Tax Policy Data Individual Income and Payroll Taxes Individual Tax Expenditures, Credits, and Deductions