2008Final results
2008 election for California's 45th District
U.S. House · California
Mary Bono Mack (R) won with 58.3% of the vote, defeating Julie Bornstein (D) by 16.6 points.
Mary Bono MackRepublican · winner
58.3%155,166
Julie BornsteinDemocrat
41.7%111,026
266,192 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 2008
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.
Julie BornsteinMary Bono Mack
$488.8K
Raised by the campaign
$1.8M
$487.8K
Spent by the campaign
$1.6M
$1K
Cash on hand
$302.5K
Campaign money: FEC, through Dec 31, 2008.
Source: FEC campaign filingsUpdated Dec 31, 2008