Pennsylvania — 2012 U.S. Senate election
Recent presidential results
Akashicstate2012 Senate electionPennsylvania · U.S. SenateJr.D+9.1
How it voted
Share of the 2012 vote
| Robert P. Casey Jr. ✓Democrat | 53.7% | 3,021,364 |
|---|---|---|
| Tom SmithRepublican | 44.6% | 2,509,132 |
| Rayburn Douglas SmithLibertarian | 1.7% | 96,926 |
2012Senate margin
D+60R+60
67 counties, each filled by 2012 D-vs-R margin. Hover any county for its result.
County-level results (67 counties) — table
| County | Winner | Margin |
|---|---|---|
| ADAMS, PA | Republican | R+23.0 |
| ALLEGHENY, PA | Democratic | D+20.6 |
| ARMSTRONG, PA | Republican | R+33.7 |
| BEAVER, PA | Democratic | D+2.4 |
| BEDFORD, PA | Republican | R+46.9 |
| BERKS, PA | Democratic | D+3.4 |
| BLAIR, PA | Republican | R+28.4 |
| BRADFORD, PA | Republican | R+26.6 |
| BUCKS, PA | Democratic | D+4.7 |
| BUTLER, PA | Republican | R+29.0 |
| CAMBRIA, PA | Republican | R+2.4 |
| CAMERON, PA | Republican | R+24.1 |
| CARBON, PA | Republican | R+3.3 |
| CENTRE, PA | Democratic | D+3.0 |
| CHESTER, PA | Democratic | D+2.6 |
| CLARION, PA | Republican | R+33.1 |
| CLEARFIELD, PA | Republican | R+26.9 |
| CLINTON, PA | Republican | R+8.8 |
| COLUMBIA, PA | Republican | R+8.5 |
| CRAWFORD, PA | Republican | R+22.7 |
| CUMBERLAND, PA | Republican | R+13.6 |
| DAUPHIN, PA | Democratic | D+9.6 |
| DELAWARE, PA | Democratic | D+24.1 |
| ELK, PA | Republican | R+11.9 |
| ERIE, PA | Democratic | D+14.3 |
| FAYETTE, PA | Democratic | D+2.8 |
| FOREST, PA | Republican | R+20.5 |
| FRANKLIN, PA | Republican | R+35.0 |
| FULTON, PA | Republican | R+45.7 |
| GREENE, PA | Republican | R+3.5 |
| HUNTINGDON, PA | Republican | R+31.2 |
| INDIANA, PA | Republican | R+15.3 |
| JEFFERSON, PA | Republican | R+43.7 |
| JUNIATA, PA | Republican | R+34.8 |
| LACKAWANNA, PA | Democratic | D+34.9 |
| LANCASTER, PA | Republican | R+17.4 |
| LAWRENCE, PA | Republican | R+1.9 |
| LEBANON, PA | Republican | R+22.9 |
| LEHIGH, PA | Democratic | D+12.1 |
| LUZERNE, PA | Democratic | D+11.2 |
| LYCOMING, PA | Republican | R+27.8 |
| MCKEAN, PA | Republican | R+26.1 |
| MERCER, PA | Republican | R+0.9 |
| MIFFLIN, PA | Republican | R+37.8 |
| MONROE, PA | Democratic | D+13.2 |
| MONTGOMERY, PA | Democratic | D+17.7 |
| MONTOUR, PA | Republican | R+17.0 |
| NORTHAMPTON, PA | Democratic | D+9.5 |
| NORTHUMBERLAND, PA | Republican | R+18.8 |
| PERRY, PA | Republican | R+32.7 |
| PHILADELPHIA, PA | Democratic | D+73.5 |
| PIKE, PA | Republican | R+9.6 |
| POTTER, PA | Republican | R+43.1 |
| SCHUYLKILL, PA | Republican | R+12.2 |
| SNYDER, PA | Republican | R+35.0 |
| SOMERSET, PA | Republican | R+33.5 |
| SULLIVAN, PA | Republican | R+25.7 |
| SUSQUEHANNA, PA | Republican | R+19.3 |
| TIOGA, PA | Republican | R+35.2 |
| UNION, PA | Republican | R+21.6 |
| VENANGO, PA | Republican | R+26.3 |
| WARREN, PA | Republican | R+21.7 |
| WASHINGTON, PA | Republican | R+4.6 |
| WAYNE, PA | Republican | R+16.2 |
| WESTMORELAND, PA | Republican | R+15.4 |
| WYOMING, PA | Republican | R+10.8 |
| YORK, PA | Republican | R+17.8 |
presidential baselinePresident 2012D+5.4Senate 2012D+9.1vs. baselineD+3.7
Pennsylvania's 2012 Senate race ran 3.7 points more Democratic than the presidential race on the same ballot.
Pennsylvania's Senate margins
Every comparable D–R contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −5.6% |
| 1980 | −2.4% |
| 1982 | −20.1% |
| 1986 | −13.6% |
| 1988 | −34.0% |
| 1992 | −2.8% |
| 1994 | −2.5% |
| 1998 | −26.6% |
| 2000 | −6.9% |
| 2004 | −10.6% |
| 2006 | +17.4% |
| 2010 | −2.0% |
| 2012 | +9.1% |
| 2016 | −1.4% |
| 2018 | +12.9% |
| 2022 | +4.9% |
| 2024 | −0.2% |
Same ballot, 2012PA
Source. MIT Election Data + Science Lab — 2012 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.