2012Final results
2012 election for California's 5th District
U.S. House · California
Mike Thompson (D) won with 74.5% of the vote, defeating Randy Loftin (R) by 48.9 points.
Mike ThompsonDemocrat · winner
74.5%202,872
Randy LoftinRepublican
25.5%69,545
272,417 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 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.
Mike ThompsonNo Republican
$1.8M
Raised by the campaign
—
$1.6M
Spent by the campaign
—
$1.3M
Cash on hand
—
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012