Democrat Janice Hahn received the highest number of votes, with Republican Craig Huey taking second place.

Because no candidate received more than 50 percent of the vote in the primary, a special general election was held on July 12, 2011, between the top two vote recipients.

The runoff election was won by Janice Hahn.

[2] An election was called to fill the rest of Harman's term, which ends January 2013.

Since no candidate received more than 50% of the vote, the top two primary finishers, regardless of party, met in a run-off on July 12.