IA - 2014 Senate: Joni Ernst 36% - Mark Jacobs 18% - Sam Clovis 11% - (Des Moines Register 06/01/2014) chart & more info

Mark Jacobs
Joni Ernst
  • Ernst +18

IA - 2014 Senate: Joni Ernst 34% - Mark Jacobs 18% - Sam Clovis 14% - (PPP 05/21/2014) chart & more info

Mark Jacobs
Joni Ernst
  • Ernst +16

IA - 2014 Senate: Bruce Braley 42% - Mark Jacobs 36% - (PPP 05/21/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +6

IA - 2014 Senate: Joni Ernst 31% - Mark Jacobs 19% - Sam Clovis 10% - (Loras College 05/15/2014) chart & more info

Mark Jacobs
Joni Ernst
  • Ernst +12

IA - 2014 Senate: Bruce Braley 43% - Mark Jacobs 42% - (Hickman Analytics 05/07/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +1

IA - 2014 Senate: Mark Jacobs 19% - Jodi Ernst 18% - Matt Whitaker 4% - (Loras College 04/14/2014) chart & more info

Jodi Ernst
Mark Jacobs
  • Jacobs +1

IA - 2014 Senate: Joni Ernst 25% - Mark Jacobs 23% - Sam Clovis 7% - (Suffolk Univ. 04/09/2014) chart & more info

Mark Jacobs
Joni Ernst
  • Ernst +2

IA - 2014 Senate: Bruce Braley 37% - Mark Jacobs 31% - (Suffolk Univ. 04/09/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +6

IA - 2014 Senate: Bruce Braley 41% - Mark Jacobs 38% - (Rasmussen 03/27/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +3

IA - 2014 Senate: Bruce Braley 40% - Mark Jacobs 31% - (Quinnipiac 03/13/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +9

IA - 2014 Senate: Mark Jacobs 20% - Jodi Ernst 13% - Matt Whitaker 11% - (PPP 02/25/2014) chart & more info

Jodi Ernst
Mark Jacobs
  • Jacobs +7

IA - 2014 Senate: Bruce Braley 41% - Mark Jacobs 35% - (PPP 02/25/2014) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +6

IA - 2014 Senate: Bruce Braley 46% - Mark Jacobs 37% - (Quinnipiac 12/18/2013) chart & more info

Mark Jacobs
Bruce Braley
  • Braley +9

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