2024Final results
2024 election for Pennsylvania's 12th District
U.S. House · Pennsylvania
Summer Lee (D) won with 56.4% of the vote, defeating James Hayes (R) by 12.8 points.
Summer LeeDemocrat · winner
56.4%234,802
James HayesRepublican
43.6%181,426
The same year, the district voted R+28.1 for president; this race was D+12.8, a split ticket.416,228 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Summer LeeJames Hayes
$3M
Raised by the campaign
$136.2K
$2M
Spent by the campaign
$135.6K
$1M
Cash on hand
$686
Campaign money: FEC, through Dec 31, 2024.
Source: FEC campaign filingsUpdated Dec 31, 2024