Allegheny County, Pennsylvania, PA 1940 Presidential Election Results

In the 1940 presidential election, Allegheny County, Pennsylvania, Pennsylvania voted D+16.5 for Democratic.

• Year: 1940
• Office: Presidential
• Winner: Democratic
• Margin: D+16.5
• Democratic Votes: 367,926
• Republican Votes: 263,285
• Total Votes: 634,198
• Democratic %: 58.0%
• Republican %: 41.5%
• Swing from previous: R+17.4