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2020 US Senate : Iowa

Theresa Greenfield
Joni Ernst

Etholytics Rating: Toss Up

Iowa Senate - Greenfield vs. Ernst
Etholytics Projection Joni Ernst (R) Theresa Greenfield (D)
Projected Vote Share Members Only 
Projected Vote Share w/ Polling Members Only 
Chance to Win % Members Only 
Raw Model Vote Share Members Only 
Vote with 2016 Turnout Members Only 
Vote with 2018 Turnout Members Only 

Recent Polling

These are the most recent pubic polls available for this race. For adjustment for polling bias, check the Adjustment Leader column. The adjustment is made using historical polling from the given poll related to the specific state.

Joni Ernst

Views: Center-Right

Age: 50

Party: Republican

Years In Office: 6

Previous Office: Iowa State Senate

Biggest Endorsement: Maggie's List

Theresa Greenfield

Views: Center-Right

Age: 56

Party: Republican

Years In Office: 1

Previous Office: None

Biggest Endorsement: EMILY's List

DATE POLLSTER SAMPLE GREENF. ERNST LEADER GREENF. ERNST ADJUSTED LEADER
9/18-9/22 Monmouth 402 LV 49% 46% Greenfield+3 Members Only 
9/16-9/21 NY Times/Siena 501 LV 42% 40% Greenfield+2 Members Only 
9/14-9/17 Des Moines Register 658 LV 45% 42% Greenfield+3 Members Only 
7/30-8/3 Monmouth 401 LV 47% 48% Ernst+1 45.3% 49.8% Ernst+4.5