2020Final results
2020 election for California's 51st District
U.S. House · California
Juan Vargas (D) won with 68.3% of the vote, defeating Juan M. Hidalgo Jr. (R) by 36.6 points.
Juan VargasDemocrat · winner
68.3%165,596
Juan M. Hidalgo Jr.Republican
31.7%76,841
242,437 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.
Juan VargasJuan M. Hidalgo Jr.
$799.7K
Raised by the campaign
$83.7K
$801.7K
Spent by the campaign
$81.2K
$69.7K
Cash on hand
-$8.4K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020