2008Final results
2008 election for President in Wisconsin
President · Wisconsin
Barack H. Obama (D) won with 56.2% of the vote, defeating John McCain (R) by 13.9 points.
Barack H. ObamaDemocrat · winner
56.2%1,677,211
John McCainRepublican
42.3%1,262,393
Ralph NaderIndependent
0.6%17,605
Bob BarrLibertarian
0.3%8,858
Charles ""chuck"" BaldwinConstitution
0.2%5,072
Cynthia McKinneyGreen
0.1%4,216
Jeffrey WamboldtOther party
0.0%764
Brian MooreSocialist
0.0%540
Gloria Estella La RivaParty for Socialism and Liberation
0.0%237
2,983,417 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
Barack H. Obama (D)John McCain (R)
Also on the ballot: Ralph Nader (Independent), 0.6%; Bob Barr (Libertarian), 0.3%; Charles ""chuck"" Baldwin (Constitution), 0.2%; Cynthia McKinney (Green), 0.1%; Jeffrey Wamboldt (Other party), 0.0%; Brian Moore (Socialist), 0.0%; Gloria Estella La Riva (Party for Socialism and Liberation), 0.0%