Presidential elections · 2000–2024
Jefferson Parish, LA — Presidential Election Results (2000–2024)
In 2024, Jefferson Parish, Louisiana voted for Donald J. Trump (Republican) by R+13.0 — 75,731 Democratic to 98,810 Republican of 178,205 votes cast. From 2020 to 2024 it shifted 1.9 points toward Republicans. That makes it 9.0 points more Democratic than Louisiana overall (R+22.0).
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 Jefferson Parish
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 75,731 | 98,810 | 3,664 | 42.5% | 55.4% | R+13.0 |
| 2020 | 84,477 | 105,949 | 3,307 | 43.6% | 54.7% | R+11.1 |
| 2016 | 73,670 | 100,398 | 7,571 | 40.6% | 55.3% | R+14.7 |
| 2012 | 70,384 | 102,536 | 3,423 | 39.9% | 58.1% | R+18.2 |
| 2008 | 65,096 | 113,191 | 2,833 | 35.9% | 62.5% | R+26.6 |
| 2004 | 72,136 | 117,882 | 1,645 | 37.6% | 61.5% | R+23.9 |
| 2000 | 70,411 | 105,003 | 3,737 | 39.3% | 58.6% | R+19.3 |
Jefferson Parish presidential elections — FAQ
Who carried Jefferson Parish in the 2024 presidential election?+
Donald J. Trump (Republican) carried Jefferson Parish, Louisiana in 2024 by R+13.0, with 178,205 votes cast. Data: MIT Election Data & Science Lab.
How did Jefferson Parish shift between 2020 and 2024?+
Jefferson Parish shifted 1.9 points toward Republicans between 2020 (R+11.1) and 2024 (R+13.0).
Is Jefferson Parish more Democratic or Republican than Louisiana overall?+
In 2024, Jefferson Parish went R+13.0 while Louisiana overall went R+22.0 — 9.0 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.