2018Final results
2018 election for Pennsylvania's 12th District
U.S. House · Pennsylvania
Tom Marino (R) won with 66.0% of the vote, defeating Marc Friedenberg (D) by 32.1 points.
Tom MarinoRepublican · winner
66.0%161,047
Marc FriedenbergDemocrat
34.0%82,825
243,872 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.
Marc FriedenbergTom Marino
$156.5K
Raised by the campaign
$790.4K
$90.4K
Spent by the campaign
$896K
$66.1K
Cash on hand
$77.9K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018