2020Final results
2020 election for President in Pennsylvania
President · Pennsylvania
Joseph R. Biden Jr. (D) won with 49.9% of the vote, defeating Donald J. Trump (R) by 1.1 points.
Joseph R. Biden Jr.Democrat · winner
49.9%3,457,343
Donald J. TrumpRepublican
48.8%3,379,321
Jo JorgensenLibertarian
1.1%79,381
6,926,445 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Polls against the result
- Poll with Biden ahead
- Poll with Trump ahead
- Result
| Pollster | Dates | Sample | Biden | Trump | Margin | Adjusted | Miss vs result | Grade | Release |
|---|---|---|---|---|---|---|---|---|---|
| Susquehanna Polling & Research, Inc. | Nov 1 | 499 | 48.4 | 49.2 | R+0.8 | — | −1.9 | B | Wikipedia |
| AYTM | Oct 31 | 340 | 51 | 49 | D+2 | — | +0.9 | B− | Wikipedia |
| Change Research | Oct 31 | 699 | 50 | 46 | D+4 | — | +2.9 | B+ | Wikipedia |
| Marist University | Oct 31 | 772 | 51 | 46 | D+5 | — | +3.9 | B+ | Wikipedia |
| Rasmussen Reports | Oct 31 | 800 | 50 | 47 | D+3 | — | +1.9 | B+ | Wikipedia |
| Research Co. | Oct 31 | 450 | 50 | 44 | D+6 | — | +4.9 | A | Wikipedia |
| Frederick Polls | Oct 30 | 879 | 52 | 48 | D+4 | — | +2.9 | B− | Wikipedia |
| InsiderAdvantage | Oct 30 | 500 | 47.4 | 48.7 | R+1.3 | — | −2.4 | B | Wikipedia |
| Monmouth University Polling Institute | Oct 30 | 502 | 50 | 45 | D+5 | — | +3.9 | A− | Wikipedia |
| Swayable | Oct 30 | 1,107 | 49.9 | 48.4 | D+1.5 | — | +0.4 | C+ | Wikipedia |
| Trafalgar GroupR-sponsored | Oct 30 | 1,062 | 45.9 | 47.8 | R+1.9 | — | −3.0 | B | Wikipedia |
| AtlasIntel | Oct 29 | 672 | 48.5 | 49.6 | R+1.1 | — | −2.2 | A | Wikipedia |
| Data for Progress | Oct 29 | 1,417 | 52 | 45 | D+7 | — | +5.9 | B | Wikipedia |
| Emerson College | Oct 29 | 823 | 51.5 | 46.6 | D+4.9 | — | +3.8 | A+ | Wikipedia |
| Ipsos | Oct 29 | 673 | 51 | 45 | D+6 | — | +4.9 | B+ | Wikipedia |
| Harris Insights & Analytics | Oct 28 | 901 | 51 | 46 | D+5 | — | +3.9 | B+ | Wikipedia |
| Public Policy PollingD-sponsored | Oct 28 | 1,012 | 52 | 45 | D+7 | — | +5.9 | B+ | Wikipedia |
| Redfield & Wilton Strategies | Oct 28 | 2,125 | 50 | 45 | D+5 | — | +3.9 | C− | Wikipedia |
| The New York Times/Siena University | Oct 28 | 1,862 | 49 | 43 | D+6 | — | +4.9 | A | Wikipedia |
| Targoz Market Research | Oct 27 | 998 | 56 | 42 | D+14 | — | +12.9 | D | Wikipedia |
| Wick | Oct 27 | 1,000 | 46.9 | 49 | R+2.1 | — | −3.2 | B− | Wikipedia |
| ABC News/The Washington Post | Oct 26 | 810 | 51 | 44 | D+7 | — | +5.9 | A− | Wikipedia |
| Morning Consult | Oct 26 | 2,686 | 51.9 | 43.2 | D+8.7 | — | +7.6 | C | Wikipedia |
| RMG Research | Oct 26 | 800 | 51 | 45 | D+6 | — | +4.9 | B+ | Wikipedia |
| SurveyMonkey | Oct 26 | 6,045 | 52 | 47 | D+5 | — | +3.9 | C− | Wikipedia |
| Civiqs | Oct 25 | 1,145 | 52 | 45 | D+7 | — | +5.9 | B+ | Wikipedia |
| InsiderAdvantage | Oct 25 | 400 | 45.5 | 48.4 | R+2.9 | — | −4.0 | B | Wikipedia |
| Muhlenberg College | Oct 25 | 419 | 49 | 44 | D+5 | — | +3.9 | A | Wikipedia |
| Quinnipiac University | Oct 25 | 1,324 | 51 | 44 | D+7 | — | +5.9 | A− | Wikipedia |
| Swayable | Oct 25 | 491 | 51.9 | 46.1 | D+5.8 | — | +4.7 | C+ | Wikipedia |
| Trafalgar GroupR-sponsored | Oct 24 | 1,076 | 47.6 | 48.4 | R+0.8 | — | −1.9 | B | Wikipedia |
| Gravis Marketing | Oct 23 | 602 | 51 | 44 | D+7 | — | +5.9 | B− | Wikipedia |
| Ipsos | Oct 23 | 655 | 51 | 44 | D+7 | — | +5.9 | B+ | Wikipedia |
| Franklin & Marshall College Center for Opinion Research | Oct 22 | 558 | 50 | 44 | D+6 | — | +4.9 | C+ | Wikipedia |
| Public Policy PollingD-sponsored | Oct 21 | 890 | 51 | 46 | D+5 | — | +3.9 | B+ | Wikipedia |
| Univision/Latino Decisions/North Star Opinion Research | Oct 21 | 723 | 50 | 45 | D+5 | — | +3.9 | C+ | Wikipedia |
| Beacon Research/Shaw & Company Research | Oct 19 | 1,045 | 50 | 45 | D+5 | — | +3.9 | B+ | Wikipedia |
| Citizen Data | Oct 19 | 1,000 | 43.99 | 38.67 | D+5.3 | — | +4.2 | C− | Wikipedia |
| Civiqs | Oct 19 | 1,577 | 52 | 46 | D+6 | — | +4.9 | B+ | Wikipedia |
| Change Research | Oct 18 | 574 | 49 | 47 | D+2 | — | +0.9 | B+ | Wikipedia |
Adjusted: after correcting for the pollster's house effect and likely-voter screens. Miss: the poll's margin minus the result; + means the poll leaned Democratic. Grade: the pollster's accuracy in past elections, A+ to D (pollster ratings).
Source: Each poll's release, via FiveThirtyEight poll listsUpdated Nov 1, 2020