According to CQ Politics, not many…
[…] a CQ Politics analysis of the political circumstances in Pennsylvaniaâ€™s congressional districts, detailed below, projects an edge to Clinton â€” but by just 53 district-level delegates to 50 for Obama under the Democratic Partyâ€™s proportional distribution rules.
These numbers suggest that Clinton, even with a victory in Pennsylvania, would make only a small incremental gain against Obamaâ€™s overall lead in the delegate race.
Of the stateâ€™s remaining 84 slots, only 55 pledged delegates will be distributed based on the statewide popular vote, with the stateâ€™s remaining 29 seats going to unpledged â€œsuperdelegates.â€
Check over there for the district by district allocation guesses…if you have absolutely nothing better to do with your day.