2010 Pennsylvania gubernatorial election

Incumbent Democratic governor Ed Rendell was term-limited and thus ineligible to seek re-election in 2010.

In the primary, Democrats nominated Allegheny County Chief Executive Dan Onorato, who defeated Pennsylvania Auditor General Jack Wagner, State Senator Anthony H. Williams, and Montgomery County Commissioner Joe Hoeffel.

Republicans nominated Pennsylvania Attorney General Tom Corbett, who defeated State Representative Sam Rohrer in the primary.

As lieutenant gubernatorial nominees run on a joint ticket with the gubernatorial nominee of their respective parties in the general election in Pennsylvania, Cawley was elected lieutenant governor over Conklin.

This is also the last time Republicans won the following counties in a gubernatorial election: Allegheny, Erie, Beaver, Centre, Dauphin, Luzerne, Monroe, Northampton, Lehigh, Berks, Bucks, and Chester.

Results by county:
Onorato—70–80%
Onorato—60–70%
Onorato—50–60%
Onorato—40–50%
Onorato—30–40%
Wagner—30–40%
Wagner—40–50%
Wagner—50–60%
Hoeffel—50–60%
Williams—50–60%
Results by county:
Corbett—80–90%
Corbett—70–80%
Corbett—60–70%
Corbett—50–60%
Rohrer—50–60%
Rohrer—70–80%