Poll Watch: Gravis Marketing/Human Events (R) Iowa 2014 Senatorial Survey

Gravis Marketing/Human Events (R) Iowa 2014 Senate Poll 

• Joni Ernst (R) 50% (43%) 
• Bruce Braley (D) 41% (44%)
• Unsure 10% (13%)
  

Survey of 522 likely voters was conducted September 29-30, 2014.  The margin of error is +/- 4 percentage points. Party ID: 32% (33%) Democrat; 32% (32%) Republican; 35% (34%) Independent/Other. Results from the poll conducted July 17-18, 2014 are in parentheses.