2018Flipped from RepublicanFinal results
2018 election for California's 49th District
U.S. House · California
Mike Levin (D) won with 56.4% of the vote, defeating Diane L. Harkey (R) by 12.8 points, a seat Republicans won last time.
Mike LevinDemocrat · winner
56.4%166,453
Diane L. HarkeyRepublican
43.6%128,577
295,030 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Mike LevinDiane L. Harkey
$6.1M
Raised by the campaign
$1.6M
$5.5M
Spent by the campaign
$1.6M
$558.1K
Cash on hand
$3.8K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018