2020Final results
2020 election for California's 13th District
U.S. House · California
Barbara Lee (D) won with 90.4% of the vote, defeating Nikka Piterman (R) by 80.7 points.
Barbara LeeDemocrat · winner
90.4%327,863
Nikka PitermanRepublican
9.6%34,955
362,818 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Barbara LeeNikka Piterman
$1.9M
Raised by the campaign
$9.9K
$1.8M
Spent by the campaign
$9.9K
$210.4K
Cash on hand
$1.3K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020