2012Final results
2012 election for California's 13th District
U.S. House · California
Barbara Lee (D) won with 86.8% of the vote, defeating Marilyn M. Singleton (Ind) by 73.6 points.
Barbara LeeDemocrat · winner
86.8%250,436
Marilyn M. SingletonIndependent
13.2%38,146
288,582 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 2012
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Barbara LeeNo Republican
$1.2M
Raised by the campaign
—
$1.1M
Spent by the campaign
—
$45.2K
Cash on hand
—
Other candidates' campaigns: Marilyn M. Singleton $77K.
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012