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 - Trump vs. Biden: Donald Trump 48% - Joe Biden 46% - (Emerson College 10/21/2020) chart & more info

Joe Biden
Donald Trump
  • Trump +2

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 - Trump vs. Biden: Joe Biden 46% - Donald Trump 43% - (NY Times/Siena 10/21/2020) chart & more info

Donald Trump
Joe Biden
  • Biden +3

IA - Trump vs. Biden: Joe Biden 50% - Donald Trump 47% - (Monmouth Univ. 10/21/2020) chart & more info

Donald Trump
Joe Biden
  • Biden +3

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

Joni Ernst
Theresa Greenfield
  • Greenfield +5

IA - Trump vs. Biden: Joe Biden 45% - Donald Trump 45% - (InsiderAdvantage 10/20/2020) chart & more info

Donald Trump
Joe Biden
  • Trump 0

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 - Trump vs. Biden: Joe Biden 49% - Donald Trump 49% - (CBS News/YouGov 10/11/2020) chart & more info

Donald Trump
Joe Biden
  • Trump 0

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 - Trump vs. Biden: Joe Biden 50% - Donald Trump 45% - (Quinnipiac Univ. 10/07/2020) chart & more info

Donald Trump
Joe Biden
  • Biden +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 - Trump vs. Biden: Joe Biden 48% - Donald Trump 46% - (RABA Research 09/30/2020) chart & more info

Donald Trump
Joe Biden
  • Biden +2

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

Joni Ernst
Theresa Greenfield
  • Greenfield +3

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