Description:Results were announced around 8:30 p.m.
The comeback was complete when he defeated Democrat Elizabeth Colbert Busch, the sister of political satirist Stephen Colbert. With 87 percent of the precincts reporting, Sanford had 54 percent of the vote.
Sanford, who turns 53 later this month, has never lost a race in three runs for Congress and two for governor. And he said before the votes were counted Tuesday that if he lost this race, he wouldn't run for office again.(1:07)