Presidential elections · 2000–2024
Montgomery County, PA — Presidential Election Results (2000–2024)
In 2024, Montgomery County, Pennsylvania voted for Kamala D. Harris (Democratic) by D+22.8 — 317,103 Democratic to 198,311 Republican of 520,906 votes cast. From 2020 to 2024 it shifted 3.5 points toward Republicans. That makes it 24.5 points more Democratic than Pennsylvania overall (R+1.7).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Montgomery County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 317,103 | 198,311 | 5,492 | 60.9% | 38.1% | D+22.8 |
| 2020 | 319,511 | 185,460 | 5,186 | 62.6% | 36.4% | D+26.3 |
| 2016 | 256,082 | 162,731 | 15,874 | 58.9% | 37.4% | D+21.5 |
| 2012 | 233,356 | 174,381 | 4,463 | 56.6% | 42.3% | D+14.3 |
| 2008 | 253,393 | 165,552 | 3,466 | 60.0% | 39.2% | D+20.8 |
| 2004 | 222,048 | 175,741 | 1,802 | 55.6% | 44.0% | D+11.6 |
| 2000 | 177,990 | 145,623 | 8,809 | 53.5% | 43.8% | D+9.7 |
Montgomery County presidential elections — FAQ
Who carried Montgomery County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Montgomery County, Pennsylvania in 2024 by D+22.8, with 520,906 votes cast. Data: MIT Election Data & Science Lab.
How did Montgomery County shift between 2020 and 2024?+
Montgomery County shifted 3.5 points toward Republicans between 2020 (D+26.3) and 2024 (D+22.8).
Is Montgomery County more Democratic or Republican than Pennsylvania overall?+
In 2024, Montgomery County went D+22.8 while Pennsylvania overall went R+1.7 — 24.5 points more Democratic than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.