2010 United States Senate Democratic primary election in Pennsylvania
Results

Party
Party
Candidate
Votes
%
-
Democratic
Joe Sestak
568,563
53.8
-
Democratic
Arlen Specter (Incumbent)
487,217
46.2
Total votes
Total votes
Total votes
1,055,780
100

Question: How many votes did Sestak win by in the 2010 United States Senate Democratic primary election in Pennsylvania?
Answer: Sestak won with 53.8 percent of the vote, or 568,563 of the votes, compared to 46.2 percent and 487,217 votes for Specter.