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Casey: 50–60% 60–70% 70–80% 80–90% Hafer: 50–60% | ||||||||||||||||||||
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Elections in Pennsylvania |
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The 1990 Pennsylvania gubernatorial election was held on November 6, 1990. Incumbent Democratic governor Robert P. Casey easily defeated Republican Barbara Hafer. Governor Casey defeated Hafer by a margin of 35.29%, and carried 66 out of 67 Pennsylvania counties.
This was the first election since 1974 that a Democrat carried Bucks County, the first since 1906 that a Democrat won Chester County, the first since 1829 that a Democrat won Delaware County, and the last time as of 2023 that a Democrat won York County.
Casey achieved the second-largest gubernatorial landslide in the state in the 20th century (and the largest victory for a Democrat), losing only Montgomery County by just 586 votes.[1]