PolitiFinder

1866 Pennsylvania Gubernatorial Election

Pennsylvania · 2 candidates · See every 1866 Governor race

Who won the 1866 Pennsylvania Gubernatorial Election?

John W. Geary won the 1866 Pennsylvania Gubernatorial Election. John W. Geary received 307,274 popular votes (51.4%). The main challenger was Hiester Clymer (48.6%).

See the full head-to-head between Geary and Clymer

Geary +2.8 pts · won by 17,178 votes
John W. GearyRepublicanWINNER51.4%
307,274 votes
Hiester ClymerDemocratic48.6%
290,096 votes
Popular-vote totals for governor elections are compiled from official state results (via Wikipedia); Louisiana shows the decisive round of its jungle primary.

Data last verified July 28, 2026.