2010Final results
2010 election for California's 38th District
U.S. House · California
Grace F. Napolitano (D) won with 73.5% of the vote, defeating Robert Vaughn (R) by 46.9 points.
Grace F. NapolitanoDemocrat · winner
73.5%85,459
Robert VaughnRepublican
26.5%30,883
116,342 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 2010
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.
Grace F. NapolitanoNo Republican
$391.8K
Raised by the campaign
—
$350.9K
Spent by the campaign
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$279.1K
Cash on hand
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Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010