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U.S. Representative · Idaho 2nd District
Michael K. Simpson
RepublicanDistrict R+13119th CongressOn the ballot 2026
Typical swing score74#49 of 433 representatives across tracked bills
Contact Michael K. Simpson’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office2084 Rayburn House Office Building Washington DC 20515-1202
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 district, 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 · 3 signals
- StrongBacks 3 Democratic-led tracked billsSponsor or active cosponsor of 3 of the 865 tracked bills that were introduced by Democrats: H.R. 1266, H.R. 1993, H.R. 2001.
- Medium18th most moderate of 219 House RepublicansDW-NOMINATE +0.296 vs. the House Republican median of +0.530: 0.234 toward the Democrats (rank 18 of 219 by distance toward the Democrats).
- WeakHeritage Action 74 vs. House Republican avg 86Heritage Action (119th Congress, higher = more conservative) scored this member 74; the House Republican average is 86.5 (n=217). That is 12 points toward the Democrats.
Keeps them with Republicans · 0 signals
None of our measures place this member firmly with their party.
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2025 – January 3, 2027
- Next election
- November 3, 2026
- Years in office
- 27.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- House Committee on AppropriationsMajority · 4th in seniority
- Subcommittee on Interior, Environment, and Related AgenciesChair
- Subcommittee on Labor, Health and Human Services, Education, and Related Agencies
- Subcommittee on Energy and Water Development and Related Agencies
Voting ideology
first dimension, from VoteviewR median
D median
Simpson← More liberal (−1)More conservative (+1) →
Their score of +0.296 is 0.23 to the left of the House Republican median (+0.530).
Advocacy scorecards
Their rating vs. the House Republican average- 119th Congress74House Republican average: 86 (n=217)
Swing score by bill
swing-v3, directional · a bill marks a member as committed to itShowing 51–100 of 858 tracked bills, best swing first
| Bill | Their role | Swing score · | |
|---|---|---|---|
| H.R. 5160Stem Cell Therapeutic and Research Reauthorization Act of 2025Summary on Congress.gov | No position yetNow in the Senate | 75
| Swing |
| H.R. 6238NIH IMPROVE Act |