Elections / 2004 · Senate · LA
The Republican candidate won Louisiana's Senate seat R+3.5.
Louisiana, 2004. Party-level statewide totals below — candidate names join when the raw MEDSL store is re-fetched with name columns. The presidential race shared this ballot.
Louisiana — 2004 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
877,482
47.5%
Republican (R)
943,014
51.0%
All others
27,560
1.5%
Margin
R+3.5
Louisiana's Senate margins
Every contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | +100.0% |
| 1980 | +93.5% |
| 1984 | +100.0% |
| 1986 | +5.6% |
| 1990 | +100.0% |
| 1992 | +100.0% |
| 1996 | +0.3% |
| 1998 | +32.6% |
| 2002 | +0.3% |
| 2004 | −3.5% |
| 2008 | +6.4% |
| 2010 | −18.9% |
| 2014 | −9.9% |
| 2016 | −26.7% |
| 2020 | −25.9% |
| 2022 | −28.6% |