A head to head comparison of the 2022 Iowa Primary gives us an idea of the break down of the voters.
Chuck Grassley received 40.75% (143.69k votes) beating both Michael Franken who had 24.54% (86.52k votes) and Abby Finkenauer who had 17.85% (62945 votes) in the overall count of votes in Iowa if the election were among these 3 candidates.
Chuck Grassley wins 93 counties out of the counties in the state of Iowa to support his claims of his movement in the country. Michael Franken won 6 counties and Joe Biden won just 2 counties in the state of Iowa.
These 10 counties play an important role in these primary elections. If a candidate, can get a sizable majority, it becomes very difficult to win majorities in the smaller counties with out voter out reach and increased voter participation in them.
Abby Finkenauer vs Michael Franken
Abby Finkenauer vs Chuck Grassley
Chuck Grassley vs Michael Franken
In a head to head match up on just the total number of votes, Michael Franken (57.9%) beats Abby Finkenauer (42.1%). Chuck Grassley (69.5%) beats Abby Finkenauer (30.5%) and Chuck Grassley (62.4%) beats Michael Franken (37.6%).
Chuck Grassley simply won the majority of the top 10 counties. Michael Franken and Abby Finkenauer could not achieve a victory since Chuck Grassley captures so many voters across most counties.