2016Final results
2016 election for California's 11th District
U.S. House · California
Mark DeSaulnier (D) won with 72.1% of the vote, defeating Roger Allen Petersen (R) by 44.1 points.
Mark DeSaulnierDemocrat · winner
72.1%214,868
Roger Allen PetersenRepublican
27.9%83,341
298,209 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.
Mark DeSaulnierRoger Allen Petersen
$629.5K
Raised by the campaign
$8.8K
$425.8K
Spent by the campaign
$7.8K
$224.5K
Cash on hand
$1K
Campaign money: FEC, through Dec 31, 2016; FEC, through Nov 28, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016