2012Final results
2012 election for California's 37th District
U.S. House · California
Karen Bass (D) won with 86.4% of the vote, defeating Morgan Osborne (R) by 72.8 points.
Karen BassDemocrat · winner
86.4%207,039
Morgan OsborneRepublican
13.6%32,541
239,580 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.
Karen BassNo Republican
$693K
Raised by the campaign
—
$804K
Spent by the campaign
—
$52.4K
Cash on hand
—
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012