Thursday, October 18, 2012

Romney's big lead in the Gallup Poll

On Wednesday (10/16/12) Gallup reported a large 50%-46% Romney advantage over Obama in a national poll, much to the excitement of Romney supporters. Although reflecting a national lead for Romney, the Gallup result is aberrant because other polls show the race somewhat tighter. For instance, Rasmussen has Romney up 2% while Ipsos/Reuters has Obama up 3%.

All three of these polling agencies are reputable, so the reality is probably somewhere close to the average. Indeed, Pollster has Romney up 0.4% nationally (47.2% to 46.8%) while Polltracker has Romney up 1.1% (48.4% to 47.3%). Both Pollster and Polltracker use all possible polls to estimate support among likely voters. As a result, we expect Pollster and Polltracker estimates to be more accurate than just the individual polls, like Gallup, Rasmussen, and Ipsos/Reuters.

But for the sake of understanding what a best-case scenario might mean for Romney, let's assume the Gallup Poll released 10/16 reflects what will be the "true" support for the candidates on election day.

The geographic breakdown from this poll tells the story for Romney:
  • East: Romney down 4%
  • Midwest: Romney down 4%
  • South: Romney up 22%
  • West: Romney down 6%

This breakdown reveals that Romney is solidifying his support among those who were already leaning in his favor (the very red South). That's good for Romney's campaign, but a deeper look at the poll shows that he still struggles in swing-states, wherein all hopes of victory reside.
 
For this election, only two swing states are in the South: North Carolina, which seems to be in the bag for Romney, and Florida, which leans to Romney by less than +2%. In other words, six of eight swing states are in areas of the US where Obama has a solid lead.

The certainty of Romney's Southern support means that Romney could be up 45% in the South and it wouldn't affect the results of this election—although it would give him an eye-popping lead in a national poll like Gallup.

Chances for Victory Update

Here are the Chances for Victory if the election were held on 10/19/12:
  • Obama - 99.35% (303 Electoral College votes most likely)
  • Romney - 0.64%
  • Tie - About 1 in 22600

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