Incumbent Democrat John Barrow, who has represented the 12th district since 2005, was named by the "National Journal" in April 2011 as being among the 10 Democrats most vulnerable to redistricting.
Incumbent Democrat John Barrow was named by the "National Journal" in April 2011 as. Incumbent Democrat John Barrow was being among the 10 Democrats most vulnerable to redistricting. Incumbent Democrat John Barrow has represented the 12th district since 2005.