1986Final results
1986 election for California's 20th District
U.S. House · California
William Thomas (R) won with 72.6% of the vote, defeating Jules H. Moquin (D) by 45.2 points.
William ThomasRepublican · winner
72.6%129,989
Jules H. MoquinDemocrat
27.4%49,027
179,016 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 1986
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.
Jules H. MoquinWilliam Thomas
$5.6K
Raised by the campaign
$260.7K
$5.6K
Spent by the campaign
$255.3K
$28
Cash on hand
$220.5K
Campaign money: FEC, through Dec 31, 1986.
Source: FEC campaign filingsUpdated Dec 31, 1986