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US Presidential Elections

Which states and counties voted for Obama... and who didn't?
Based on data collected by the Associated Press about the US county-level results, we created a dataset that can directly be loaded into TreeMap. It contains information about the number of votes made in each county and the percentages obtained by Obama and Romney.
US Presidential Elections - 2012.mtm (129 KB)
(This dataset is bundled with TreeMap, which you can try for free)
Online version
This dataset can be accessed from within TreeMap using the File→Open Dataset→public.treemap.com menu. You can also visualize this dataset online thanks to TreeMap Server.