Jefferson Parish, LA
LA · Presidential Elections 1892–2024
Jefferson Parish, LA (Louisiana) voted R+13.0 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 98,810 votes (55.45%) to 75,731 (42.5%) for Harris.
This represents a R+1.9% swing toward Republicans compared to 2020. Jefferson Parish is classified as a lean Republican county. Jefferson Parish has voted Republican in every presidential election since 1968. The county has a population of approximately 430,920.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 42.5%(75,731) | 55.5%(98,810) | R+13.0 | R+1.9 |
| 2020 | 43.6%(84,477) | 54.7%(105,949) | R+11.1 | D+3.6 |
| 2016 | 40.6%(73,670) | 55.3%(100,398) | R+14.7 | D+3.5 |
| 2012 | 39.9%(70,384) | 58.1%(102,536) | R+18.2 | D+8.3 |
| 2008 | 35.9%(65,096) | 62.5%(113,191) | R+26.6 | R+2.7 |
| 2004 | 37.6%(72,136) | 61.5%(117,882) | R+23.9 | R+4.6 |
| 2000 | 39.3%(70,411) | 58.6%(105,003) | R+19.3 | R+12.6 |
| 1996 | 43.6%(80,407) | 50.3%(92,820) | R+6.7 | D+12.6 |
| 1992 | 34.4%(64,302) | 53.7%(100,493) | R+19.4 | D+15.5 |
| 1988 | 31.9%(53,035) | 66.7%(110,942) | R+34.8 | D+15.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Jefferson Parish, LA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 38.1%(44,989) | 60.2%(71,106) | R+22.1 | D+13.8 |
| 2020 | 20.4%(37,965) | 56.3%(104,645) | R+35.9 | R+8.1 |
| 2016 | 36.1%(28,180) | 63.9%(49,812) | R+27.7 | R+21.7 |
| 2014 | 47.0%(51,536) | 53.0%(58,179) | R+6.1 | D+20.1 |
| 2010 | 34.3%(40,887) | 60.4%(72,054) | R+26.1 | R+33.0 |
| 2008 | 52.4%(91,966) | 45.5%(79,965) | D+6.8 | D+47.8 |
| 2004 | 20.9%(38,419) | 61.8%(113,838) | R+41.0 | R+29.6 |
| 2002 | 44.3%(56,085) | 55.7%(70,473) | R+11.4 | R+19.7 |
| 1998 | 53.1%(48,379) | 44.8%(40,830) | D+8.3 | D+23.1 |
| 1996 | 42.6%(76,274) | 57.4%(102,698) | R+14.8 | R+77.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2023 | 28.7%(25,094) | 62.4%(54,523) | R+33.7 | R+47.6 |
| 2019 | 57.0%(72,192) | 43.0%(54,536) | D+13.9 | D+12.6 |
| 2015 | 50.6%(49,902) | 49.4%(48,633) | D+1.3 | D+68.0 |
| 2011 | 9.7%(7,418) | 76.4%(58,579) | R+66.7 | R+11.5 |
| 2007 | 10.7%(12,438) | 65.9%(76,591) | R+55.2 | R+30.0 |
| 2003 | 37.4%(52,319) | 62.6%(87,712) | R+25.3 | D+24.4 |
| 1999 | 22.4%(25,475) | 72.1%(82,073) | R+49.7 | D+4.1 |
| 1995 | 23.1%(34,876) | 76.9%(115,972) | R+53.8 | R+72.4 |
| 1991 | 59.3%(102,261) | 40.7%(70,183) | D+18.6 | D+32.2 |
| 1987 | 21.3%(30,066) | 34.9%(49,351) | R+13.6 | R+10.0 |
Source: Official state election returns via MIT Election Data + Science Lab