Casey leading McCormick in Pennsylvania Senate polling

Pennsylvania Sen. Bob Casey (D) is leading his Republican rival Dave McCormick in new Keystone State polling.

In a new poll from The Philadelphia Inquirer/The New York Times/Siena College, Casey garnered 49 percent support from the likely electorate in Pennsylvania compared to McCormick’s 40 percent. Another poll from Franklin & Marshall College found Casey leading with 48 percent support to McCormick’s 39 percent among registered voters. 

Pennsylvania’s Senate race is one of the most-watched contests of the 2024 election cycle, as it is in an important swing state and could determine control of the Senate. According to an average of Pennsylvania polls from The Hill/Decision Desk HQ, Casey is leading McCormick by 5.8 points.

The Inquirer/Times/Siena poll also found Vice President Harris leading former President Trump by 4 points in Pennsylvania, with the vice president garnering 50 percent support to the former president’s 46 percent.  

Harris also topped Trump in the Franklin & Marshall poll by 4 points, with the vice president garnering 49 percent support amng Pennsylvania registered voters to the former president’s 45 percent support.

The vice president is currently leading Trump in Pennsylvania by 1.1 points in an average of polls from The Hill/Decision Desk HQ, at 49 percent support to the former president’s 47.9 percent.

McCormick’s campaign noted in an email to The Hill that other recent polls have found a tied race between the two candidates.

A Washington Post poll Sept. 12-16 found the two tied at 48 percent a piece, while a CNN poll published on Sept. 4 found each candidate getting 46 percent.

The Inquirer/Times/Siena poll took place between Sept. 11 and Sept. 16, featuring 1,082 likely voters and a margin of sampling error of plus or minus 3.8 percentage points. The Franklin & Marshall took place from Sept. 4 to 15 featuring 890 registered voters, with a sample error of plus or minus 4.1 points.

This story was updated at 5:34 p.m.