2016Final results
2016 election for California's 51st District
U.S. House · California
Juan Vargas (D) won with 72.8% of the vote, defeating Juan M. Hidalgo Jr. (R) by 45.5 points.
Juan VargasDemocrat · winner
72.8%145,161
Juan M. Hidalgo Jr.Republican
27.2%54,361
199,522 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Juan VargasJuan M. Hidalgo Jr.
$1.1M
Raised by the campaign
$76.4K
$1.1M
Spent by the campaign
$76.4K
$79.7K
Cash on hand
$0
Campaign money: FEC, through Dec 31, 2016; FEC, through Nov 28, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016