2008Final results
2008 election for President in Louisiana
President · Louisiana
John McCain (R) won with 58.6% of the vote, defeating Barack H. Obama (D) by 18.6 points.
John McCainRepublican · winner
58.6%1,148,275
Barack H. ObamaDemocrat
39.9%782,989
Ronald ""ron"" PaulOther party
0.5%9,368
Cynthia McKinneyGreen
0.5%9,187
Ralph NaderIndependent
0.4%6,997
Charles ""chuck"" BaldwinConstitution
0.1%2,581
James HarrisSocialist Workers
0.0%735
Gloria Estella La RivaParty for Socialism and Liberation
0.0%354
Gene AmondsonOther party
0.0%275
1,960,761 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2008
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The candidates
John McCain (R)Barack H. Obama (D)
Also on the ballot: Ronald ""ron"" Paul (Other party), 0.5%; Cynthia McKinney (Green), 0.5%; Ralph Nader (Independent), 0.4%; Charles ""chuck"" Baldwin (Constitution), 0.1%; James Harris (Socialist Workers), 0.0%; Gloria Estella La Riva (Party for Socialism and Liberation), 0.0%; Gene Amondson (Other party), 0.0%