United States House of Representatives elections, 2012 Pennsylvania Pennsylvania

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Pennsylvania 11 | Lou Barletta | Republican | 2010 | Re-elected | Lou Barletta (R) 58.5% Gene Stilp (D) 41.5% |
| Pennsylvania 12 | Mark Critz | Democratic | 2010 | Lost re-election Republican gain | Keith Rothfus (R) 51.5% Mark Critz (D) 48.5% |
| Pennsylvania 12 | Jason Altmire Redistricted from the 4th district | Democratic | 2006 | Lost renomination Democratic loss | Keith Rothfus (R) 51.5% Mark Critz (D) 48.5% |
| Pennsylvania 13 | Allyson Schwartz | Democratic | 2004 | Re-elected | Allyson Schwartz (D) 69.0% Joe Rooney (R) 31.0% |
| Pennsylvania 14 | Mike Doyle | Democratic | 1994 | Re-elected | Mike Doyle (D) 77.0% Hans Lessmann (R) 23.1% |
| Pennsylvania 15 | Charlie Dent | Republican | 2004 | Re-elected | Charlie Dent (R) 56.6% Rick Daugherty (D) 43.4% |