Update 11:35 PM
Pennsylvania remained blue, going to President Barack Obama.
With 90% of 9,257 precincts reporting:
Barack Obama: 52.7% of the the vote
Mitt Romney: 46%
In Allegheny County where Democrats hold a 2-1 voter registration edge over Republicans, with 96% of 1,319 precincts reporting:
Barack Obama: 57%
Mitt Romney: 41.6%
Mr.Obama collects Pennsylvania's 20 electoral votes, which ties Illinois for the fifth most in the nation.
Of the 8,511,217 registered voters in Pennsylvania, 4,267,538 are Democrats and 3,131,906 are Republicans.