Map of the Day: Tea Party Caucus Officially More Southern and Western

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Michele Bachmann might hail from the Land of the North Star, but most of the members of the Tea Party Caucus that she formed last week represent the southern and western wing of the Republican House delegation.

The geographic center of gravity for the Tea Party Caucus -- or the average geographical location of the hometowns of its members -- is in Stigler, Oklahoma, which is hundreds of miles south and west of the center for the whole House.

The map below shows the centers of gravity for the Tea Party Caucus (yellow), the Republican caucus (red), the Blue Dog Caucus (purple), and the Democratic caucus (blue).

However, there's a caveat: The Republican location includes the Tea Party data while the Democratic location excludes the Blue Dogs. This wasn't by choice; I originally made a map about the Blue Dogs and have since lost that data, so the Tea Party location is in a sense an addendum to an old map.

If the Tea Party Caucus members were excluded from the full Republican data, the non-Tea Party Republican center of gravity would shift significantly, perhaps even past the Blue Dogs.

From southwest to northeast, here are the respective centers of gravity:

Tea Party Caucus: Stigler, Oklahoma
(Represented by Dan Boren)

Republican Caucus, including the Tea Party Caucus: Just east of Branson, Missouri
(Represented by Roy Blunt)

Blue Dogs Caucus: Hartshorn, Missouri
(Represented by Jo Ann Emerson)

Democratic Caucus, excluding the Blue Dogs: Pevely, Missouri
(Represented by Russ Carnahan)

Here's an interactive map:


View Political Party's Centers of Gravity in a larger map

And a screen shot:

Tea Party Center of Gravity

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Patrick Ottenhoff has been writing The Electoral Map blog since 2007. A former staff writer for National Journal Group and project manager at New Media Strategies, he now attends Georgetown's McDonough School of Business. More

Patrick Ottenhoff attends Georgetown McDonough School of Business in the Class of 2012. He previously served as a project manager in the Public Affairs Practice of New Media Strategies and was a staff writer for National Journal Group. Patrick has been writing The Electoral Map blog since 2007. As the name implies, the blog covers news and commentary at the intersection of politics and geography, but it also analyzes the stories, people, culture, sports, and food behind the maps and the votes. Patrick is a native Virginian and graduate of Union College in New York. You can follow The Electoral Map on Twitter and Facebook, and follow Patrick on YouTube.
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