Quinnipiac Oct 28, 14 - Nov 02, 14
  • Sample Size: 778  
  • Joni Ernst 47%
  • Bruce Braley 47%
Des Moines Register Oct 28, 14 - Oct 31, 14
  • Sample Size: 701  
  • Joni Ernst +7 51%
  • Bruce Braley 44%
The Economist/You Gov Oct 25, 14 - Oct 31, 14
  • Sample Size: 1112  
  • Bruce Braley +1 43%
  • Joni Ernst 42%
CNN/Opinion Research Oct 27, 14 - Oct 30, 14
  • Sample Size: 647  
  • Joni Ernst +2 49%
  • Bruce Braley 47%
Fox News Oct 28, 14 - Oct 30, 14
  • Sample Size: 911  
  • Joni Ernst +1 45%
  • Bruce Braley 44%
Rasmussen Reports Oct 28, 14 - Oct 30, 14
  • Sample Size: 990  
  • Joni Ernst +1 48%
  • Bruce Braley 47%
Reuters/Ipsos Oct 23, 14 - Oct 29, 14
  • Sample Size: 1129  
  • Joni Ernst 45%
  • Bruce Braley 45%
Quinnipiac Oct 22, 14 - Oct 27, 14
  • Sample Size: 817  
  • Joni Ernst +4 49%
  • Bruce Braley 45%
Loras College Oct 21, 14 - Oct 24, 14
  • Sample Size: 1121  
  • Bruce Braley +1 45%
  • Joni Ernst 44%
CBS News/NYT/YouGov Oct 16, 14 - Oct 23, 14
  • Sample Size: 2322  
  • Joni Ernst 44%
  • Bruce Braley 44%
NBC News/Marist Oct 18, 14 - Oct 22, 14
  • Sample Size: 772  
  • Joni Ernst +3 49%
  • Bruce Braley 46%
Quinnipiac Oct 15, 14 - Oct 21, 14
  • Sample Size: 964  
  • Joni Ernst +2 48%
  • Bruce Braley 46%
USA Today/Suffolk Oct 11, 14 - Oct 14, 14
  • Sample Size: 500  
  • Joni Ernst +4 47%
  • Bruce Braley 43%
Quinnipiac Oct 08, 14 - Oct 13, 14
  • Sample Size: 967  
  • Joni Ernst +2 47%
  • Bruce Braley 45%
Rasmussen Reports Oct 08, 14 - Oct 10, 14
  • Sample Size: 957  
  • Joni Ernst +3 48%
  • Bruce Braley 45%
Des Moines Register Oct 03, 14 - Oct 08, 14
  • Sample Size: 1000  
  • Joni Ernst +1 47%
  • Bruce Braley 46%
Loras College Sep 01, 14 - Oct 03, 14
  • Sample Size: 600  
  • Joni Ernst 42%
  • Bruce Braley 42%
CBS News/NYT/YouGov Sep 20, 14 - Oct 01, 14
  • Sample Size: 2359  
  • Bruce Braley +1 44%
  • Joni Ernst 43%
NBC News/Marist Sep 27, 14 - Oct 01, 14
  • Sample Size: 778  
  • Joni Ernst +2 46%
  • Bruce Braley 44%
PPP (D) Sep 25, 14 - Sep 28, 14
  • Sample Size: 1192  
  • Joni Ernst +2 45%
  • Bruce Braley 43%
Des Moines Register Sep 21, 14 - Sep 24, 14
  • Sample Size: 546  
  • Joni Ernst +6 44%
  • Bruce Braley 38%
Rasmussen Reports Sep 17, 14 - Sep 18, 14
  • Sample Size: 750  
  • Joni Ernst 43%
  • Bruce Braley 43%
Quinnipiac Sep 10, 14 - Sep 15, 14
  • Sample Size: 1167  
  • Joni Ernst +6 50%
  • Bruce Braley 44%