Pennsylvania — 2008 presidential election
state2008 presidential electionPennsylvania · PresidentObamaD+10.3
How it voted
Share of the 2008 vote
| Barack Obama ✓Democratic | 54.7% | 3,276,363 |
|---|---|---|
| John McCainRepublican | 44.3% | 2,655,885 |
| OtherAll other candidates | 1.0% | 62,889 |
2008presidential margin
D+60R+60
67 counties, each filled by 2008 D-vs-R margin. Hover any county for its result.
Pennsylvania cast 21 electoral votes this cycle.
County-level results (67 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, PA | Republican | R+19.6 |
| Allegheny County, PA | Democratic | D+15.5 |
| Armstrong County, PA | Republican | R+24.6 |
| Beaver County, PA | Republican | R+2.8 |
| Bedford County, PA | Republican | R+44.8 |
| Berks County, PA | Democratic | D+9.2 |
| Blair County, PA | Republican | R+24.3 |
| Bradford County, PA | Republican | R+18.4 |
| Bucks County, PA | Democratic | D+8.6 |
| Butler County, PA | Republican | R+27.4 |
| Cambria County, PA | Democratic | D+0.7 |
| Cameron County, PA | Republican | R+19.8 |
| Carbon County, PA | Democratic | D+1.9 |
| Centre County, PA | Democratic | D+11.8 |
| Chester County, PA | Democratic | D+9.2 |
| Clarion County, PA | Republican | R+22.4 |
| Clearfield County, PA | Republican | R+12.1 |
| Clinton County, PA | Republican | R+2.8 |
| Columbia County, PA | Republican | R+4.4 |
| Crawford County, PA | Republican | R+10.4 |
| Cumberland County, PA | Republican | R+13.6 |
| Dauphin County, PA | Democratic | D+9.1 |
| Delaware County, PA | Democratic | D+21.4 |
| Elk County, PA | Democratic | D+4.3 |
| Erie County, PA | Democratic | D+19.9 |
| Fayette County, PA | Republican | R+0.4 |
| Forest County, PA | Republican | R+13.4 |
| Franklin County, PA | Republican | R+32.6 |
| Fulton County, PA | Republican | R+48.6 |
| Greene County, PA | Republican | R+0.4 |
| Huntingdon County, PA | Republican | R+27.5 |
| Indiana County, PA | Republican | R+7.1 |
| Jefferson County, PA | Republican | R+29.8 |
| Juniata County, PA | Republican | R+35.2 |
| Lackawanna County, PA | Democratic | D+26.0 |
| Lancaster County, PA | Republican | R+11.8 |
| Lawrence County, PA | Republican | R+5.1 |
| Lebanon County, PA | Republican | R+18.9 |
| Lehigh County, PA | Democratic | D+15.5 |
| Luzerne County, PA | Democratic | D+8.4 |
| Lycoming County, PA | Republican | R+24.2 |
| McKean County, PA | Republican | R+17.3 |
| Mercer County, PA | Republican | R+0.3 |
| Mifflin County, PA | Republican | R+33.7 |
| Monroe County, PA | Democratic | D+16.3 |
| Montgomery County, PA | Democratic | D+20.8 |
| Montour County, PA | Republican | R+15.1 |
| Northampton County, PA | Democratic | D+12.3 |
| Northumberland County, PA | Republican | R+13.8 |
| Perry County, PA | Republican | R+33.7 |
| Philadelphia County, PA | Democratic | D+66.7 |
| Pike County, PA | Republican | R+4.2 |
| Potter County, PA | Republican | R+37.4 |
| Schuylkill County, PA | Republican | R+8.7 |
| Snyder County, PA | Republican | R+29.2 |
| Somerset County, PA | Republican | R+25.0 |
| Sullivan County, PA | Republican | R+19.5 |
| Susquehanna County, PA | Republican | R+11.7 |
| Tioga County, PA | Republican | R+27.4 |
| Union County, PA | Republican | R+14.5 |
| Venango County, PA | Republican | R+19.2 |
| Warren County, PA | Republican | R+6.2 |
| Washington County, PA | Republican | R+4.7 |
| Wayne County, PA | Republican | R+12.3 |
| Westmoreland County, PA | Republican | R+16.7 |
| Wyoming County, PA | Republican | R+7.6 |
| York County, PA | Republican | R+13.6 |
Pennsylvania results by county
67 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Adams County | John McCain+8,716 | 17,63339.6% | 26,34959.2% | 5091.1% | 44,491 |
| Allegheny County | Barack Obama+100,806 | 373,15357.3% | 272,34741.8% | 5,9360.9% | 651,436 |
| Armstrong County | John McCain+7,404 | 11,13837.0% | 18,54261.6% | 4011.3% | 30,081 |
| Beaver County | John McCain+2,396 | 40,49947.9% | 42,89550.8% | 1,0941.3% | 84,488 |
| Bedford County | John McCain+10,065 | 6,05927.0% | 16,12471.8% | 2601.2% | 22,443 |
| Berks County | Barack Obama+16,534 | 97,04753.9% | 80,51344.7% | 2,4401.4% | 180,000 |
| Blair County | John McCain+12,895 | 19,81337.3% | 32,70861.6% | 5811.1% | 53,102 |
| Bradford County | John McCain+4,751 | 10,30640.0% | 15,05758.4% | 4241.6% | 25,787 |
| Bucks County | Barack Obama+28,783 | 179,03153.8% | 150,24845.1% | 3,6451.1% | 332,924 |
| Butler County | John McCain+24,814 | 32,26035.7% | 57,07463.1% | 1,0911.2% | 90,425 |
| Cambria County | Barack Obama+456 | 32,45149.4% | 31,99548.7% | 1,2241.9% | 65,670 |
| Cameron County | John McCain+444 | 87939.2% | 1,32358.9% | 431.9% | 2,245 |
| Carbon County | Barack Obama+507 | 13,46450.0% | 12,95748.1% | 5021.9% | 26,923 |
| Centre County | Barack Obama+8,958 | 41,95055.4% | 32,99243.5% | 8211.1% | 75,763 |
| Chester County | Barack Obama+23,412 | 137,83354.2% | 114,42145.0% | 2,1000.8% | 254,354 |
| Clarion County | John McCain+3,981 | 6,75638.0% | 10,73760.4% | 2731.5% | 17,766 |
| Clearfield County | John McCain+4,107 | 14,55543.0% | 18,66255.2% | 5961.8% | 33,813 |
| Clinton County | John McCain+407 | 7,09748.0% | 7,50450.7% | 1901.3% | 14,791 |
| Columbia County | John McCain+1,247 | 13,23047.1% | 14,47751.6% | 3561.3% | 28,063 |
| Crawford County | John McCain+3,970 | 16,78044.0% | 20,75054.4% | 6041.6% | 38,134 |
| Cumberland County | John McCain+15,433 | 48,30642.6% | 63,73956.3% | 1,2591.1% | 113,304 |
| Dauphin County | Barack Obama+11,737 | 69,97554.0% | 58,23845.0% | 1,3161.0% | 129,529 |
| Delaware County | Barack Obama+63,597 | 178,87060.2% | 115,27338.8% | 2,8611.0% | 297,004 |
| Elk County | Barack Obama+614 | 7,29051.1% | 6,67646.8% | 3052.1% | 14,271 |
| Erie County | Barack Obama+25,424 | 75,77559.3% | 50,35139.4% | 1,5651.2% | 127,691 |
| Fayette County | John McCain+215 | 25,86649.2% | 26,08149.6% | 6131.2% | 52,560 |
| Forest County | John McCain+328 | 1,03842.5% | 1,36655.9% | 401.6% | 2,444 |
| Franklin County | John McCain+20,737 | 21,16933.3% | 41,90665.8% | 5660.9% | 63,641 |
| Fulton County | John McCain+3,066 | 1,57625.0% | 4,64273.6% | 881.4% | 6,306 |
| Greene County | John McCain+60 | 7,82949.0% | 7,88949.4% | 2581.6% | 15,976 |
| Huntingdon County | John McCain+5,124 | 6,62135.5% | 11,74563.0% | 2661.4% | 18,632 |
| Indiana County | John McCain+2,662 | 17,06545.7% | 19,72752.9% | 5101.4% | 37,302 |
| Jefferson County | John McCain+5,610 | 6,44734.3% | 12,05764.1% | 2981.6% | 18,802 |
| Juniata County | John McCain+3,416 | 3,06831.6% | 6,48466.8% | 1591.6% | 9,711 |
| Lackawanna County | Barack Obama+28,032 | 67,52062.6% | 39,48836.6% | 8680.8% | 107,876 |
| Lancaster County | John McCain+26,982 | 99,58643.7% | 126,56855.5% | 1,9830.9% | 228,137 |
| Lawrence County | John McCain+2,140 | 19,71146.8% | 21,85151.9% | 5411.3% | 42,103 |
| Lebanon County | John McCain+11,004 | 23,31040.0% | 34,31458.9% | 6731.2% | 58,297 |
| Lehigh County | Barack Obama+23,707 | 87,08957.1% | 63,38241.6% | 2,0021.3% | 152,473 |
| Luzerne County | Barack Obama+11,365 | 72,49253.6% | 61,12745.2% | 1,5561.2% | 135,175 |
| Lycoming County | John McCain+11,899 | 18,38137.3% | 30,28061.5% | 5761.2% | 49,237 |
| McKean County | John McCain+2,759 | 6,46540.5% | 9,22457.8% | 2581.6% | 15,947 |
| Mercer County | John McCain+154 | 26,41149.1% | 26,56549.4% | 8451.6% | 53,821 |
| Mifflin County | John McCain+5,554 | 5,37532.6% | 10,92966.2% | 1981.2% | 16,502 |
| Monroe County | Barack Obama+11,160 | 39,45357.6% | 28,29341.3% | 6971.0% | 68,443 |
| Montgomery County | Barack Obama+87,841 | 253,39360.0% | 165,55239.2% | 3,4740.8% | 422,419 |
| Montour County | John McCain+1,210 | 3,36441.9% | 4,57457.0% | 851.1% | 8,023 |
| Northampton County | Barack Obama+16,704 | 75,25555.5% | 58,55143.2% | 1,7811.3% | 135,587 |
| Northumberland County | John McCain+4,689 | 14,32942.2% | 19,01856.0% | 5921.7% | 33,939 |
| Perry County | John McCain+6,662 | 6,39632.4% | 13,05866.1% | 2911.5% | 19,745 |
| Philadelphia County | Barack Obama+478,759 | 595,98083.1% | 117,22116.3% | 4,1280.6% | 717,329 |
| Pike County | John McCain+1,025 | 11,49347.3% | 12,51851.5% | 2731.1% | 24,284 |
| Potter County | John McCain+2,809 | 2,30030.6% | 5,10968.1% | 981.3% | 7,507 |
| Schuylkill County | John McCain+5,467 | 28,30044.9% | 33,76753.5% | 9901.6% | 63,057 |
| Snyder County | John McCain+4,518 | 5,38234.8% | 9,90064.0% | 1971.3% | 15,479 |
| Somerset County | John McCain+8,808 | 12,87836.6% | 21,68661.7% | 6041.7% | 35,168 |
| Sullivan County | John McCain+608 | 1,23339.5% | 1,84159.0% | 461.5% | 3,120 |
| Susquehanna County | John McCain+2,252 | 8,38143.5% | 10,63355.1% | 2721.4% | 19,286 |
| Tioga County | John McCain+4,936 | 6,39035.5% | 11,32663.0% | 2681.5% | 17,984 |
| Union County | John McCain+2,526 | 7,33342.1% | 9,85956.7% | 2081.2% | 17,400 |
| Venango County | John McCain+4,480 | 9,23839.6% | 13,71858.9% | 3511.5% | 23,307 |
| Warren County | John McCain+1,148 | 8,53746.1% | 9,68552.3% | 2951.6% | 18,517 |
| Washington County | John McCain+4,630 | 46,12247.0% | 50,75251.8% | 1,1731.2% | 98,047 |
| Wayne County | John McCain+2,810 | 9,89243.3% | 12,70255.6% | 2411.1% | 22,835 |
| Westmoreland County | John McCain+29,573 | 72,72141.1% | 102,29457.8% | 1,8581.1% | 176,873 |
| Wyoming County | John McCain+998 | 5,98545.6% | 6,98353.2% | 1701.3% | 13,138 |
| York County | John McCain+26,429 | 82,83942.7% | 109,26856.3% | 2,1031.1% | 194,210 |
Nominees: Barack Obama (D) · John McCain (R)
Pennsylvania's presidential margins
1892–2024, the 2008 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −6.4% |
| 1896 | −24.7% |
| 1900 | −24.6% |
| 1904 | −40.7% |
| 1908 | −23.4% |
| 1912 | +10.0% |
| 1916 | −14.0% |
| 1920 | −38.6% |
| 1924 | −46.3% |
| 1928 | −31.4% |
| 1932 | −5.5% |
| 1936 | +16.0% |
| 1940 | +6.9% |
| 1944 | +2.8% |
| 1948 | −4.0% |
| 1952 | −5.9% |
| 1956 | −13.2% |
| 1960 | +2.3% |
| 1964 | +30.2% |
| 1968 | +3.6% |
| 1972 | −20.0% |
| 1976 | +2.7% |
| 1980 | −7.1% |
| 1984 | −7.4% |
| 1988 | −2.3% |
| 1992 | +9.0% |
| 1996 | +9.2% |
| 2000 | +4.2% |
| 2004 | +2.5% |
| 2008 | +10.3% |
| 2012 | +5.4% |
| 2016 | −0.7% |
| 2020 | +1.2% |
| 2024 | −1.7% |
Same ballot, 2008PA
Source. MIT Election Data + Science Lab — 2008 presidential returns · official county-level results. Real returns — nothing estimated.