2004Final results
2004 election for California's 1st District
U.S. House · California
Mike Thompson (D) won with 66.9% of the vote, defeating Lawrence R. Wiesner (R) by 38.7 points.
Mike ThompsonDemocrat · winner
66.9%189,366
Lawrence R. WiesnerRepublican
28.3%79,970
Pamela ElizondoGreen
4.8%13,635
282,971 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 2004
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 ThompsonLawrence R. Wiesner
$1.3M
Raised by the campaign
$29.6K
$1.3M
Spent by the campaign
$29K
$221.3K
Cash on hand
$707
Campaign money: FEC, through Dec 31, 2004.
Source: FEC campaign filingsUpdated Dec 31, 2004