1990Final results
1990 election for Pennsylvania Governor
Governor · Pennsylvania
Robert Casey (D) won with 67.7% of the vote, defeating Barbara Hafer (R) by 35.3 points.
Robert CaseyDemocrat · winner
67.7%2,065,244
Barbara HaferRepublican
32.3%987,516
3,052,760 votes
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET
The seat over time
D − R margin in this seat's races around 1990
Races before and after
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET