[Last Dakotan]

Unless you are interested in the “100 Metropolitan Statistical Areas”, this map is useless. There is a whole lot of us beyond.

[JerseyHighlander]

There is another animated map out there that is county by county for the same time period.

http://www.slate.com/id/2216238/

(fyi, it’s a big file, takes a while to start the animation)

[altair]

I empathize with you, having been born and raised in "fly over country" myself, but it's still not useless. The biggest "nuclear" explosions of unemployment in 2009 are all in areas that went heavily for Obama in the last election.