2024 United States Senate Election in Pennsylvania
Pennsylvania · Federal
Election results
General · November 5, 2024
| Candidate | Party | Votes | Vote % | Result |
|---|---|---|---|---|
| David H McCormick | Rep | 3,399,054 | 48.8% | Elected |
| Robert P Casey Jr | Dem | 3,382,144 | 48.6% | |
| John C Thomas Jr | Libertarian | 89,646 | 1.3% | |
| Leila L Hazou | Green | 66,311 | 1.0% | |
| Bernard Selker | Constitution | 23,620 | 0.3% |
Primary results
Democratic Primary
April 23, 2024
| Candidate | Party | Votes | Vote % | Result |
|---|---|---|---|---|
| Robert P Casey Jr | Dem | 1,024,490 | 100.0% | Advanced |
Republican Primary
April 23, 2024
| Candidate | Party | Votes | Vote % | Result |
|---|---|---|---|---|
| David H McCormick | Rep | 878,317 | 100.0% | Advanced |
Comparisons show seats contested in each cycle; Senate seat classes and special elections can differ between years.
| Party | 2022 seats | 2024 seats | Change | 2022 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 0 | 1 | +1 | 46.3% | 48.8% | +2.5 pp |
| Democratic | 1 | 0 | −1 | 51.2% | 48.6% | −2.7 pp |
Seat changes by party
1 → 1 seats
| Party | 2010 seats | 2024 seats | Change | 2010 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 1 | 1 | 0 | 51.0% | 48.8% | −2.1 pp |
Seat changes by party
1 → 1 seats
| Party | 2012 seats | 2024 seats | Change | 2012 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 0 | 1 | +1 | 44.6% | 48.8% | +4.2 pp |
| Democratic | 1 | 0 | −1 | 53.6% | 48.6% | −5.1 pp |
Seat changes by party
1 → 1 seats
| Party | 2016 seats | 2024 seats | Change | 2016 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 1 | 1 | 0 | 48.8% | 48.8% | +0.1 pp |
Seat changes by party
1 → 1 seats
| Party | 2018 seats | 2024 seats | Change | 2018 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 0 | 1 | +1 | 42.6% | 48.8% | +6.2 pp |
| Democratic | 1 | 0 | −1 | 55.7% | 48.6% | −7.2 pp |
Seat changes by party
1 → 1 seats
| Party | 2022 seats | 2024 seats | Change | 2022 Vote % | 2024 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Republican | 0 | 1 | +1 | 46.3% | 48.8% | +2.5 pp |
| Democratic | 1 | 0 | −1 | 51.2% | 48.6% | −2.7 pp |
Seat changes by party
1 → 1 seats
Historical trends
Republican Democratic
Chart data
| Election | Republican | Democratic |
|---|---|---|
| November 2, 2010 | 1 | 0 |
| November 6, 2012 | 0 | 1 |
| November 8, 2016 | 1 | 0 |
| November 6, 2018 | 0 | 1 |
| November 8, 2022 | 0 | 1 |
| November 5, 2024 | 1 | 0 |
Republican Democratic
Chart data
| Election | Republican | Democratic |
|---|---|---|
| November 2, 2010 | 1 | 0 |
| November 6, 2012 | 0 | 1 |
| November 8, 2016 | 1 | 0 |
| November 6, 2018 | 0 | 1 |
| November 8, 2022 | 0 | 1 |
| November 5, 2024 | 1 | 0 |
Republican Democratic
Chart data
| Election | Republican | Democratic |
|---|---|---|
| November 2, 2010 | 51.0% | 49.0% |
| November 6, 2012 | 44.6% | 53.6% |
| November 8, 2016 | 48.8% | 47.3% |
| November 6, 2018 | 42.6% | 55.7% |
| November 8, 2022 | 46.3% | 51.2% |
| November 5, 2024 | 48.8% | 48.6% |
Source: Pennsylvania Department of State