Pennsylvania House Races: Four Districts, One Pollster

From the PollingSource daily briefing for October 26, 2026

Pennsylvania House Races: Four Districts, One Pollster

A single survey window, closing October 22, now anchors the state of play across four Pennsylvania House seats, courtesy of the New York Times, Philadelphia Inquirer and Siena University. The value of simultaneous fielding is comparability: these four numbers were taken under the same methodology, the same turnout model and the same week of national conditions, which makes differences between districts more meaningful than if they'd trickled in over a month from four separate shops.

The widest margin of the set comes in the 8th District, where Democrat Paige Cognetti leads Republican Rob Bresnahan 51% to 46%, a five-point edge and the only one of the four in which a candidate clears the 50% threshold outright. Crossing the majority line matters practically: it means Cognetti's support does not depend on undecided voters breaking her way, while the other three Democrats in this batch are sitting in the high 40s and still need late movement to materialize.

In the 7th District, Democrat Bob Brooks leads Republican Ryan Mackenzie 49% to 44%, a five-point gap that mirrors the 8th in size but not composition — Brooks is short of a majority, meaning his lead is built on a larger pool of undecided or minor-party voters than Cognetti's. The 1st District is tighter still: Democrat Bob Harvie leads Republican Brian Fitzpatrick 48% to 46%, a two-point spread that sits inside or near most pollsters' stated margin of error. A two-point lead in a single survey is not a reliable predictor of the winner; it is a snapshot of a contest that remains competitive with a week and a half left on the clock.

The closest of the four, and arguably the headline result of this release, is the 10th District, where Democrat Janelle Stelson and Republican Scott Perry are tied at 48% apiece. A dead-even tie in a shared-methodology poll is a stronger signal than a tie produced by averaging disparate pollsters, precisely because it removes house-effect noise as an explanation. Whatever separates these two candidates on Election Day will likely come down to turnout mechanics — which precincts show up, and whether the remaining four percent of undecided voters splits evenly or tilts toward an incumbent-versus-challenger dynamic that this survey alone cannot resolve.

Taken together, the four results describe a state where Democratic candidates are ahead on the topline number in every district surveyed, but by margins that shrink as one moves from the 8th to the 10th. That gradient — five points, five points, two points, even — is itself informative: it suggests these seats are not moving in lockstep but responding to local factors distinct enough to produce a real spread in outcomes from a single week of polling. Whether that gradient holds, narrows further, or reverses in the final days is the open question these four numbers cannot answer on their own.

With 8 days until Election Day, these are the last large-sample reads voters are likely to get from this pairing of outlets, and the four districts together will say as much about the shape of the broader Pennsylvania delegation as any one race says about itself.

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