IA - 2020 Senate Races: Theresa Greenfield 42% - Joni Ernst 40% - (NY Times/Siena 09/24/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +2

IA - 2020 Senate Races: Theresa Greenfield 45% - Joni Ernst 42% - (Des Moines Register 09/19/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +3

IA - 2020 Senate Races: Joni Ernst 50% - Theresa Greenfield 45% - (AARP/Fabrizio Ward/Hart Research 09/10/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +5

IA - 2020 Senate Races: Theresa Greenfield 45% - Joni Ernst 43% - (Data for Progress 08/06/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +2

IA - 2020 Senate Races: Joni Ernst 48% - Theresa Greenfield 47% - (Monmouth Univ. 08/05/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +1

IA - 2020 Senate Races: Theresa Greenfield 46% - Joni Ernst 43% - (Des Moines Register 06/15/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +3

IA - 2020 Senate Races: Joni Ernst 43% - Theresa Greenfield 42% - (PPP 05/04/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +1

IA - 2014 Senate: Joni Ernst 49% - Bruce Braley 46% - (PPP 11/03/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +3

IA - 2014 Senate: Bruce Braley 47% - Joni Ernst 47% - (Quinnipiac 11/03/2014) chart & more info

Joni Ernst
Bruce Braley
  • Ernst 0

IA - 2014 Senate: Joni Ernst 51% - Bruce Braley 44% - (Des Moines Register 11/02/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +7

IA - 2014 Senate: Joni Ernst 45% - Bruce Braley 44% - (FOX News 10/31/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +1

IA - 2014 Senate: Joni Ernst 49% - Bruce Braley 47% - (CNN/Opinion Research 10/31/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +2

IA - 2014 Senate: Joni Ernst 48% - Bruce Braley 47% - (Rasmussen 10/31/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +1

IA - 2014 Senate: Joni Ernst 49% - Bruce Braley 45% - (Quinnipiac 10/29/2014) chart & more info

Bruce Braley
Joni Ernst
  • Ernst +4

IA - 2014 Senate: Bruce Braley 45% - Joni Ernst 44% - (Loras College 10/28/2014) chart & more info

Joni Ernst
Bruce Braley
  • Braley +1