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U.S. Senator · Iowa
Joni Ernst
RepublicanState R+6119th CongressOn the ballot 2026
Typical swing score44#44 of 100 senators across tracked bills
Contact Joni Ernst’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office260 Russell Senate Office Building Washington DC 20510
Model
Directional: count only breaks toward the other partyWhy do scores change?v3default (selected)v2 model swing-v2
Signals to watch
What in this member’s state, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.Could pull them toward Democrats · 1 signal
- StrongBacks 4 Democratic-led tracked billsSponsor or active cosponsor of 4 of the 890 tracked bills that were introduced by Democrats: S. 315, S. 861, S. 2542, S. 4189.
Keeps them with Republicans · 1 signal
- MediumVotes with Senate RepublicansNo ideology or scorecard measure places this member toward the Democrats: DW-NOMINATE +0.536 (party median +0.558; rank 24 of 53 by distance toward the Democrats); Heritage Action 94 (avg 88); LCV 0 (avg 3).
Bill-specific inputsVotes on similar past bills and committee seats vary by bill, so they appear in the swing-v3 scores below rather than here.
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2021 – January 3, 2027
- Senate class
- Class 2
- Seniority
- Junior senator
- Next election
- November 3, 2026
- Years in office
- 11.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- Senate Committee on Small Business and EntrepreneurshipChairmanMajority · 1st in seniority
- Senate Committee on Agriculture, Nutrition, and ForestryMajority · 4th in seniority
- Subcommittee on Conservation, Forestry, Natural Resources, and Biotechnology
- Subcommittee on Rural Development, Energy, and CreditChairman
Voting ideology
first dimension, from VoteviewR median
D median
Ernst← More liberal (−1)More conservative (+1) →
Their score of +0.536 is 0.02 to the left of the Senate Republican median (+0.558).
Advocacy scorecards
Their rating vs. the Senate Republican average- 119th Congress94Senate Republican average: 88 (n=53)
Swing score by bill
swing-v3, directional · a bill marks a member as committed to it| Bill | Their role | Swing score · | |
|---|---|---|---|
| S. 5639Portal for Appraisal Licensing Act of 2026Summary on Congress.gov | No position yet | 45
| Middle |
| H.R. 22SAVE ActSummary on Congress.gov |