Mercer County, Pennsylvania, PA 1964 Presidential Election Results

In the 1964 presidential election, Mercer County, Pennsylvania, Pennsylvania voted D+27.8 for Lyndon B. Johnson.

• Year: 1964
• Office: Presidential
• Winner: Lyndon B. Johnson
• Margin: D+27.8
• Democratic Votes: 32,199
• Republican Votes: 18,153
• Total Votes: 50,563
• Democratic %: 63.7%
• Republican %: 35.9%
• Swing from previous: D+36.9