2008 Presidential Election Poll Data by State
3 Nov 2008

Each graph shows the percentage difference between the number of supporters for Sen. Obama and the number of supporters for Sen. McCain. For example, a value of 10 means that 10 percent more people who were polled expressed a preference for Sen. Obama. Blue and red symbols indicate a lead of 7 percentage points or more for Sen. Obama or Sen. McCain, respectively.

The non-linear time scale shows an expanded view of the last 2 months of poll data, and a compressed view of the earlier data.

This graphical summary was generated by the DataMontage data visualization system. Try the interactive version of this graphical display. (Requires Java.)