Allegheny County, Pennsylvania, PA 2008 Presidential Election Results

In the 2008 presidential election, Allegheny County, Pennsylvania, Pennsylvania voted D+15.5 for Barack Obama.

• Year: 2008
• Office: Presidential
• Winner: Barack Obama
• Margin: D+15.5
• Democratic Votes: 373,153
• Republican Votes: 272,347
• Total Votes: 651,436
• Democratic %: 57.3%
• Republican %: 41.8%
• Swing from previous: D+0.4