Thursday, October 15, 2026
B.C. votes in 9 days

Pennsylvania’s 12th District

U.S. House · PA-12

Election day November 3, 2026 · forecast of October 15, 2026

Our forecast gives the Democrats a more than 99% chance of winning, with an average lead of 23.6 points.

Safe seat. Chance of a final gap under 5 points: 1%.

Projected vote share

Projection by party

  • Democrat 61.8%

    Summer Lee, incumbent

  • Republican 38.2%

    James Hayes

Thin vertical mark: 2024 result.

Compared with the average

Democrat Republican
PA-12 61.8%38.2%
National averageUnited States 54.5%+7.3 44.2%−6.0

Simple average of the 435 districts, not weighted by population.

Projection track

How the projection has moved

Local profile

Latino citizens aged 18 and over2.4% (± 0.1)

Share of all citizens aged 18 and over (ACS 2020–2024 estimate). Not a share of registered or actual voters.

Source: U.S. Census Bureau, citizen voting-age population by race and ethnicity, ACS 2020–2024, 119th Congress districts

Current member

Summer Lee · Democrat

Primary results

Held May 19, 2026 · Certified official result · Official source

Democratic primary Summer Lee 81.2% 75,298 votes
Republican primary James Hayes 100.0% 23,760 votes

Who's running

The candidates

Candidates for the upcoming election.

  • Democrat Incumbent

    Summer Lee

    source
  • Republican Challenger

    James Hayes

    source

Previous election (2024)

The Democrats won by 12.8 points.

Our current projection: the Democrats ahead by 23.6 points.

Nearby districts

Party ahead and how sure the projection is.

  • PA-17 Democrat, safe seat
  • PA-14 Republican, safe seat
  • PA-16 Republican, safe seat
  • PA-13 Republican, safe seat
  • PA-15 Republican, safe seat
  • PA-10 Democrat, toss-up

Watch list

The tightest races

The smallest projected gaps between the top two.

  1. AZ-2Republican52%5.7-point gap
  2. KY-6Republican53%5.8-point gap
  3. VA-1Republican58%5.8-point gap
Forecast updated