IA - 2020 Senate Races: Joni Ernst 48% - Theresa Greenfield 46% - (Quinnipiac Univ. 10/29/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +2

IA - 2020 Senate Races: Theresa Greenfield 51% - Joni Ernst 45% - (Nexstar/RABA Research 10/28/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +6

IA - 2020 Senate Races: Joni Ernst 46% - Theresa Greenfield 45% - (Emerson College 10/21/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +1

IA - 2020 Senate Races: Joni Ernst 45% - Theresa Greenfield 44% - (NY Times/Siena 10/21/2020) chart & more info

Theresa Greenfield
Joni Ernst
  • Ernst +1

IA - 2020 Senate Races: Theresa Greenfield 49% - Joni Ernst 47% - (Monmouth Univ. 10/21/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +2

IA - 2020 Senate Races: Theresa Greenfield 48% - Joni Ernst 43% - (InsiderAdvantage 10/20/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +5

IA - 2020 Senate Races: Theresa Greenfield 47% - Joni Ernst 43% - (CBS News/YouGov 10/11/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +4

IA - 2020 Senate Races: Theresa Greenfield 50% - Joni Ernst 45% - (Quinnipiac Univ. 10/07/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +5

IA - 2020 Senate Races: Theresa Greenfield 51% - Joni Ernst 39% - (RABA Research 10/01/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +12

IA - 2020 Senate Races: Theresa Greenfield 49% - Joni Ernst 46% - (Monmouth Univ. 09/24/2020) chart & more info

Joni Ernst
Theresa Greenfield
  • Greenfield +3

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

1