Incumbent National RepublicanWilliam Marks, who was elected in 1825, was not a candidate for re-election to another term. The Pennsylvania General Assembly, consisting of the House of Representatives and the Senate, convened on December 14, 1830, to elect a new Senator to fill the term beginning on March 4, 1831. Twenty-one ballots were recorded over the next three days. The results of the twenty-first and final ballot of both houses combined are as follows: