
In the 2024 House race for PA-7, Ryan E. Mackenzie (R) defeated Susan Wild (D) 50.5% to 49.5%. Ryan E. Mackenzie received 203,688 votes compared to 199,626 for Susan Wild, a razor-thin margin of just 1.0 points — among the closest races in the country.
Ryan E. Mackenzie defeated the incumbent Susan Wild (D), which is a significant political event — most incumbents win re-election by wide margins. This was a general election upset. The 2024 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket. Given the narrow margin, this seat is likely to remain competitive and attract heavy investment in the next cycle.