He won more than 80 % of voters in the city of Philadelphia , and two of its suburban counties gave him three - to - two margins ( the other suburban counties also voted for Obama ) .
Obama did extremely well throughout eastern Pennsylvania .
Obama won more than 80 % of voters in the city of Philadelphia , and two of Pennsylvania 's suburban counties gave him three - to - two margins ( the other suburban counties also voted Obama Obama ) .
Obama did extremely well throughout eastern Pennsylvania .