Pennsylvania — 1984 presidential election
Recent presidential results
Akashicstate1984 presidential electionPennsylvania · PresidentReaganR+7.4
How it voted
Share of the 1984 vote
| Ronald Reagan ✓Republican | 53.3% | 2,584,323 |
|---|---|---|
| Walter MondaleDemocratic | 46.0% | 2,228,131 |
| OtherAll other candidates | 0.7% | 32,449 |
1984presidential margin
D+60R+60
67 counties, each filled by 1984 D-vs-R margin. Hover any county for its result.
Pennsylvania cast 25 electoral votes this cycle.
County-level results (67 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, PA | Republican | R+39.3 |
| Allegheny County, PA | Democratic | D+13.2 |
| Armstrong County, PA | Democratic | D+2.9 |
| Beaver County, PA | Democratic | D+26.1 |
| Bedford County, PA | Republican | R+41.3 |
| Berks County, PA | Republican | R+32.5 |
| Blair County, PA | Republican | R+31.5 |
| Bradford County, PA | Republican | R+45.8 |
| Bucks County, PA | Republican | R+27.0 |
| Butler County, PA | Republican | R+12.3 |
| Cambria County, PA | Democratic | D+10.6 |
| Cameron County, PA | Republican | R+34.4 |
| Carbon County, PA | Republican | R+9.5 |
| Centre County, PA | Republican | R+26.2 |
| Chester County, PA | Republican | R+40.6 |
| Clarion County, PA | Republican | R+28.9 |
| Clearfield County, PA | Republican | R+21.7 |
| Clinton County, PA | Republican | R+19.1 |
| Columbia County, PA | Republican | R+27.1 |
| Crawford County, PA | Republican | R+22.3 |
| Cumberland County, PA | Republican | R+39.2 |
| Dauphin County, PA | Republican | R+23.4 |
| Delaware County, PA | Republican | R+24.3 |
| Elk County, PA | Republican | R+21.3 |
| Erie County, PA | Republican | R+3.1 |
| Fayette County, PA | Democratic | D+24.4 |
| Forest County, PA | Republican | R+27.1 |
| Franklin County, PA | Republican | R+40.6 |
| Fulton County, PA | Republican | R+42.5 |
| Greene County, PA | Democratic | D+18.9 |
| Huntingdon County, PA | Republican | R+39.4 |
| Indiana County, PA | Republican | R+8.8 |
| Jefferson County, PA | Republican | R+31.0 |
| Juniata County, PA | Republican | R+31.6 |
| Lackawanna County, PA | Republican | R+2.4 |
| Lancaster County, PA | Republican | R+51.7 |
| Lawrence County, PA | Democratic | D+10.8 |
| Lebanon County, PA | Republican | R+43.7 |
| Lehigh County, PA | Republican | R+20.0 |
| Luzerne County, PA | Republican | R+8.3 |
| Lycoming County, PA | Republican | R+36.6 |
| McKean County, PA | Republican | R+38.8 |
| Mercer County, PA | Democratic | D+0.9 |
| Mifflin County, PA | Republican | R+27.3 |
| Monroe County, PA | Republican | R+32.3 |
| Montgomery County, PA | Republican | R+28.9 |
| Montour County, PA | Republican | R+33.9 |
| Northampton County, PA | Republican | R+8.0 |
| Northumberland County, PA | Republican | R+23.1 |
| Perry County, PA | Republican | R+43.3 |
| Philadelphia County, PA | Democratic | D+30.3 |
| Pike County, PA | Republican | R+43.1 |
| Potter County, PA | Republican | R+48.3 |
| Schuylkill County, PA | Republican | R+18.3 |
| Snyder County, PA | Republican | R+57.8 |
| Somerset County, PA | Republican | R+16.7 |
| Sullivan County, PA | Republican | R+33.7 |
| Susquehanna County, PA | Republican | R+40.4 |
| Tioga County, PA | Republican | R+44.2 |
| Union County, PA | Republican | R+47.7 |
| Venango County, PA | Republican | R+19.3 |
| Warren County, PA | Republican | R+26.7 |
| Washington County, PA | Democratic | D+18.8 |
| Wayne County, PA | Republican | R+51.9 |
| Westmoreland County, PA | Democratic | D+5.6 |
| Wyoming County, PA | Republican | R+48.2 |
| York County, PA | Republican | R+38.1 |
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 | Reagan, Ronald+9,497 | 16,78669.4% | 7,28930.2% | 990.4% | 24,174 |
| Allegheny County | Mondale, Walter+87,884 | 284,69242.8% | 372,57656.0% | 8,4801.3% | 665,748 |
| Armstrong County | Mondale, Walter+816 | 13,70948.4% | 14,52551.2% | 1100.4% | 28,344 |
| Beaver County | Mondale, Walter+22,713 | 32,05236.8% | 54,76562.9% | 3000.3% | 87,117 |
| Bedford County | Reagan, Ronald+7,661 | 13,08570.6% | 5,42429.3% | 340.2% | 18,543 |
| Berks County | Reagan, Ronald+36,756 | 74,60565.9% | 37,84933.5% | 6910.6% | 113,145 |
| Blair County | Reagan, Ronald+14,453 | 30,10465.5% | 15,65134.1% | 1900.4% | 45,945 |
| Bradford County | Reagan, Ronald+9,334 | 14,80872.7% | 5,47426.9% | 850.4% | 20,367 |
| Bucks County | Reagan, Ronald+55,551 | 130,11963.3% | 74,56836.2% | 1,0320.5% | 205,719 |
| Butler County | Reagan, Ronald+6,941 | 31,67655.9% | 24,73543.7% | 2150.4% | 56,626 |
| Cambria County | Mondale, Walter+7,692 | 32,17344.5% | 39,86555.1% | 2580.4% | 72,296 |
| Cameron County | Reagan, Ronald+1,041 | 2,03167.1% | 99032.7% | 80.3% | 3,029 |
| Carbon County | Reagan, Ronald+1,865 | 10,70154.4% | 8,83644.9% | 1310.7% | 19,668 |
| Centre County | Reagan, Ronald+11,608 | 27,80262.8% | 16,19436.6% | 2400.5% | 44,236 |
| Chester County | Reagan, Ronald+53,351 | 92,22170.1% | 38,87029.6% | 4400.3% | 131,531 |
| Clarion County | Reagan, Ronald+4,429 | 9,83664.3% | 5,40735.3% | 610.4% | 15,304 |
| Clearfield County | Reagan, Ronald+6,690 | 18,65360.6% | 11,96338.9% | 1530.5% | 30,769 |
| Clinton County | Reagan, Ronald+2,153 | 6,67859.2% | 4,52540.1% | 700.6% | 11,273 |
| Columbia County | Reagan, Ronald+6,148 | 14,40263.4% | 8,25436.3% | 620.3% | 22,718 |
| Crawford County | Reagan, Ronald+7,389 | 20,18160.8% | 12,79238.5% | 2220.7% | 33,195 |
| Cumberland County | Reagan, Ronald+27,908 | 49,28269.3% | 21,37430.1% | 4670.7% | 71,123 |
| Dauphin County | Reagan, Ronald+20,754 | 54,33061.3% | 33,57637.9% | 7520.8% | 88,658 |
| Delaware County | Reagan, Ronald+63,547 | 161,75461.8% | 98,20737.5% | 1,8210.7% | 261,782 |
| Elk County | Reagan, Ronald+2,984 | 8,47060.5% | 5,48639.2% | 510.4% | 14,007 |
| Erie County | Reagan, Ronald+3,389 | 55,86051.1% | 52,47148.0% | 9350.9% | 109,266 |
| Fayette County | Mondale, Walter+13,784 | 21,31437.7% | 35,09862.1% | 1350.2% | 56,547 |
| Forest County | Reagan, Ronald+629 | 1,46863.4% | 83936.2% | 100.4% | 2,317 |
| Franklin County | Reagan, Ronald+15,763 | 27,24370.1% | 11,48029.6% | 1220.3% | 38,845 |
| Fulton County | Reagan, Ronald+1,945 | 3,25471.1% | 1,30928.6% | 110.2% | 4,574 |
| Greene County | Mondale, Walter+2,989 | 6,37640.4% | 9,36559.3% | 430.3% | 15,784 |
| Huntingdon County | Reagan, Ronald+5,790 | 10,22069.6% | 4,43030.2% | 410.3% | 14,691 |
| Indiana County | Reagan, Ronald+3,054 | 18,84554.2% | 15,79145.4% | 1230.4% | 34,759 |
| Jefferson County | Reagan, Ronald+5,384 | 11,33465.3% | 5,95034.3% | 710.4% | 17,355 |
| Juniata County | Reagan, Ronald+2,435 | 5,05965.7% | 2,62434.1% | 220.3% | 7,705 |
| Lackawanna County | Reagan, Ronald+2,281 | 48,13250.6% | 45,85148.2% | 1,2021.3% | 95,185 |
| Lancaster County | Reagan, Ronald+67,782 | 99,09075.6% | 31,30823.9% | 6180.5% | 131,016 |
| Lawrence County | Mondale, Walter+4,704 | 19,27744.4% | 23,98155.3% | 1280.3% | 43,386 |
| Lebanon County | Reagan, Ronald+16,488 | 27,00871.6% | 10,52027.9% | 1880.5% | 37,716 |
| Lehigh County | Reagan, Ronald+20,710 | 61,79959.7% | 41,08939.7% | 6490.6% | 103,537 |
| Luzerne County | Reagan, Ronald+10,687 | 69,16953.5% | 58,48245.2% | 1,6401.3% | 129,291 |
| Lycoming County | Reagan, Ronald+15,351 | 28,49868.0% | 13,14731.4% | 2500.6% | 41,895 |
| McKean County | Reagan, Ronald+6,145 | 10,96369.2% | 4,81830.4% | 580.4% | 15,839 |
| Mercer County | Mondale, Walter+447 | 24,21149.1% | 24,65850.0% | 4340.9% | 49,303 |
| Mifflin County | Reagan, Ronald+3,928 | 9,10663.4% | 5,17836.0% | 890.6% | 14,373 |
| Monroe County | Reagan, Ronald+7,916 | 16,10965.8% | 8,19333.5% | 1720.7% | 24,474 |
| Montgomery County | Reagan, Ronald+81,685 | 181,42664.2% | 99,74135.3% | 1,4990.5% | 282,666 |
| Montour County | Reagan, Ronald+2,119 | 4,17466.8% | 2,05532.9% | 190.3% | 6,248 |
| Northampton County | Reagan, Ronald+6,669 | 44,64853.5% | 37,97945.5% | 8401.0% | 83,467 |
| Northumberland County | Reagan, Ronald+8,361 | 22,10961.1% | 13,74838.0% | 3080.9% | 36,165 |
| Perry County | Reagan, Ronald+5,673 | 9,36571.4% | 3,69228.2% | 560.4% | 13,113 |
| Philadelphia County | Mondale, Walter+234,191 | 267,17834.6% | 501,36964.9% | 3,5550.5% | 772,102 |
| Pike County | Reagan, Ronald+3,840 | 6,34371.2% | 2,50328.1% | 670.8% | 8,913 |
| Potter County | Reagan, Ronald+3,375 | 5,16473.9% | 1,78925.6% | 310.4% | 6,984 |
| Schuylkill County | Reagan, Ronald+11,572 | 37,33059.0% | 25,75840.7% | 2240.4% | 63,312 |
| Snyder County | Reagan, Ronald+6,585 | 8,96878.7% | 2,38320.9% | 400.4% | 11,391 |
| Somerset County | Reagan, Ronald+5,602 | 19,50258.2% | 13,90041.5% | 890.3% | 33,491 |
| Sullivan County | Reagan, Ronald+974 | 1,92666.7% | 95233.0% | 110.4% | 2,889 |
| Susquehanna County | Reagan, Ronald+6,095 | 10,56670.0% | 4,47129.6% | 670.4% | 15,104 |
| Tioga County | Reagan, Ronald+6,472 | 10,53271.9% | 4,06027.7% | 520.4% | 14,644 |
| Union County | Reagan, Ronald+5,045 | 7,79273.7% | 2,74726.0% | 400.4% | 10,579 |
| Venango County | Reagan, Ronald+4,393 | 13,50759.4% | 9,11440.1% | 1040.5% | 22,725 |
| Warren County | Reagan, Ronald+4,594 | 10,83862.9% | 6,24436.3% | 1390.8% | 17,221 |
| Washington County | Mondale, Walter+16,129 | 34,78240.5% | 50,91159.2% | 2440.3% | 85,937 |
| Wayne County | Reagan, Ronald+6,906 | 10,06175.7% | 3,15523.7% | 810.6% | 13,297 |
| Westmoreland County | Mondale, Walter+8,529 | 71,37746.8% | 79,90652.4% | 1,1810.8% | 152,464 |
| Wyoming County | Reagan, Ronald+4,712 | 7,23074.0% | 2,51825.8% | 210.2% | 9,769 |
| York County | Reagan, Ronald+41,661 | 75,02068.7% | 33,35930.5% | 8680.8% | 109,247 |
complete certified result
Pennsylvania candidate results
Top three shown first · expand for every reported candidate and write-in category
Source: MIT Election Data + Science Lab — U.S. President 1976–2024 state candidate returns
Nominees: Walter Mondale (D) · Ronald Reagan (R)
Pennsylvania's presidential margins
1892–2024, the 1984 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, 1984PA
Source. MIT Election Data + Science Lab — 1984 presidential returns · official county-level results. Real returns — nothing estimated.