The link below is to a very interesting article and infographic that outlines the various dialects of the US language (yes, I said language – it is different to how many people speak the queen’s English – said tongue in cheek of course… I am a republican in the Australian sense).
For more visit:
http://www.huffingtonpost.com/2013/05/09/dialect-map-of-the-us-region-aschmann_n_3245496.html