United States Senate election in Pennsylvania, 1867

The 1867 United States Senate election in Pennsylvania was held on January 15, 1867. Simon Cameron was elected by the Pennsylvania General Assembly to the United States Senate.

Incumbent Republican Edgar Cowan, who was elected in 1861, was a candidate for re-election to another term, but was defeated by former Democratic Senator and former United States Secretary of War Simon Cameron, who had previously switched to the Republican Party. The Pennsylvania General Assembly, consisting of the House of Representatives and the Senate, convened on January 15, 1867, to elect a Senator to fill the term beginning on March 4, 1867. The results of the vote of both houses combined are as follows:

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