2020Final results
2020 election for California's 16th District
U.S. House · California
Jim Costa (D) won with 59.4% of the vote, defeating Kevin Cookingham (R) by 18.8 points.
Jim CostaDemocrat · winner
59.4%128,690
Kevin CookinghamRepublican
40.6%88,039
216,729 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.
Jim CostaKevin Cookingham
$2.1M
Raised by the campaign
$270.3K
$1.8M
Spent by the campaign
$270.3K
$410.2K
Cash on hand
$0
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020