Incumbent President Barack Obama did not face Democratic opposition in his bid for a second term. He won Wisconsin handily in the 2012 primary and general elections.

Wisconsin Democratic primary election resultsDate: April 3, 2012Winner: Barack ObamaVotes for: 293,914 (98%)Wisconsin general election resultsDate: Nov. 6, 2012Winner: Barack ObamaVotes for: 1,620,985 (53%)National winner: Barack Obama