Representative · Idaho's 2nd district

Michael K. Simpson

Michael K. Simpson is a Republican representative for Idaho's 2nd district, in Congress since 1999. In the 119th Congress, 675 roll calls were held while they served; they missed 14, and cast 444 of 466 party-unity votes with the majority of their caucus.

Party
Republican
Chamber
House
Current
In Congress since
Jan 6, 1999
Term ends
Jan 3, 2027
Open in the Congress explorerOfficial recordAlert me
Photo: Government Publishing Office (public domain)

Record by Congress

Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.

CongressRoll callsMissedVotes with partySponsoredCosponsored across the aisle
119th CongressHouse of Representatives6752.1%14 of 675 · rank 197 of 43995%444 of 466 · rank 374 of 43950 became law13%16 of 124
118th CongressHouse of Representatives1,2225.2%63 of 1,222 · rank 88 of 44280%662 of 825 · rank 421 of 44280 became law24%25 of 106
117th CongressHouse of Representatives9976.0%60 of 997 · rank 25 of 44390%500 of 553 · rank 409 of 44340 became law37%47 of 128

Ideology (DW-NOMINATE)

Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 119th Congress (House), with each party's median and the chamber's range.

Liberal −1+0.30+1 Conservative

Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/

Votes against their party

The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.

  1. H.R. 8800: National Defense Authorization Act for Fiscal Year 2027Nay
    Jul 22, 2026· House· Amendments· On Agreeing to the Amendment· Failed 175–254· Against party
  2. H.R. 8595: Making appropriations for national security, Department of State, and related programs for the fiscal year ending September 30, 2027, and for other purposes.Nay
    Jul 15, 2026· House· Amendments· On Agreeing to the Amendment· Failed 136–291· Against party
  3. H.R. 8595: Making appropriations for national security, Department of State, and related programs for the fiscal year ending September 30, 2027, and for other purposes.Nay
    Jul 15, 2026· House· Amendments· On Agreeing to the Amendment· Failed 178–247· Against party
  4. H.R. 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure under that Act, and for other purposes.Nay
    May 13, 2026· House· Passage· On Passage· Passed 218–203· Against party
  5. H.R. 7567: Farm, Food, and National Security Act of 2026Nay
    Apr 30, 2026· House· Amendments· On Agreeing to the Amendment· Failed 186–238· Against party
  6. H.R. 7567: Farm, Food, and National Security Act of 2026Nay
    Apr 30, 2026· House· Amendments· On Agreeing to the Amendment· Failed 187–239· Against party
  7. S. 2503: ROTOR ActYea
    Feb 24, 2026· House· Passage· On Motion to Suspend the Rules and Pass· Failed 264–133· Against party
  8. H.R. 7148: Consolidated Appropriations Act, 2026Nay
    Jan 22, 2026· House· Amendments· On Agreeing to the Amendment· Failed 136–291· Against party

Recent votes

The latest roll calls on bills and amendments, with the member's recorded position.

  1. S. 2403: Retire through Ownership ActYea
    Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass· Passed 401–14
  2. H.R. 9497: Water Resources Development Act of 2026Yea
    Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 415–9
  3. H.R. 9340: Ratepayer Protection ActYea
    Sep 16, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 417–3
  4. H.J.Res. 213: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the "California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision".Yea
    Sep 16, 2026· House· Passage· On Passage· Passed 214–208
  5. H.R. 10326: PROOF ActYea
    Sep 16, 2026· House· Passage· On Passage· Passed 217–207
  6. H.R. 9576: National Fraud Enforcement Division Act of 2026Yea
    Sep 16, 2026· House· Passage· On Passage· Passed 352–72
  7. H.R. 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026Yea
    Sep 16, 2026· House· Passage· On Motion to Concur in the Senate Amendments· Passed 262–159
  8. H.Con.Res. 93: Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.Nay
    Sep 15, 2026· House· Passage· On Agreeing to the Resolution· Passed 220–204
  9. H.J.Res. 210: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision".Yea
    Sep 15, 2026· House· Passage· On Passage· Passed 216–211
  10. H.R. 9500: Tax Relief for Fraud Victims ActYea
    Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 408–17
  11. H.R. 2140: Diesel Emissions Reduction Act of 2025Yea
    Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass· Passed 343–79
  12. H.R. 4646: Whistleblower Protection Act of 2025Yea
    Sep 15, 2026· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 424–0

Sponsored bills

Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.

17 sponsored · 0 became law

How far they got

  1. Introduced1482%
  2. Reported by committee15.9%
  3. Passed one chamber212%

Policy areas

  1. Law6
  2. Economics and Public Finance4
  3. Water Resources Development3
  4. Transportation and Public Works2
  5. Energy1
  6. Health1

Latest activity

  1. H.R. 9171 Department of the Interior, Environment, and Related Agencies Appropriations Act, 2027
    Introduced· Economics and Public Finance· Jun 5, 2026
  2. H.R. 6279 Urban Canal Modernization Act
    Introduced· Transportation and Public Works· Nov 21, 2025
  3. H.R. 4754 Department of the Interior, Environment, and Related Agencies Appropriations Act, 2026
    Introduced· Economics and Public Finance· Jul 24, 2025
  4. H.R. 634 Ninth Circuit Court of Appeals Judgeship and Reorganization Act of 2025
    Introduced· Law· Jan 22, 2025
  5. H.R. 319 To authorize an additional district judgeship for the district of Idaho.
    Introduced· Law· Jan 9, 2025
  6. H.R. 6107 Urban Canal Modernization Act
    Reported by committee· Water Resources Development· Nov 14, 2024
  7. H.R. 8998 Department of the Interior, Environment, and Related Agencies Appropriations Act, 2025
    Passed one chamber· Economics and Public Finance· Sep 12, 2024
  8. H.R. 6064 Don’t DO IT Act
    Introduced· Energy· Jan 18, 2024

Committees

Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.

Current seats

Federal contracts in the district

Contract obligations attributed to Idaho's 2nd district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines. Shown next to the member's record: neither explains the other.

Obligations · FY2026
$3.4B
Per resident
$3,546
Rank in Idaho
1 of 2
Contract actions
10.3K
New awards: 7,850

By fiscal year

  1. 1.8BFY2017
  2. 2.2BFY2018
  3. 2.2BFY2019
  4. 2.4BFY2020
  5. 2.1BFY2021
  6. 2.2BFY2022
  7. 2.9BFY2023
  8. 3.2BFY2024
  9. 3.3BFY2025
  10. 3.4BFY2026

Top buyers

  1. Department of Energy$2.7B81%
  2. Forest Service$257.9M7.7%
    Department of Agriculture
  3. Bureau of Land Management$89.2M2.7%
    Department of the Interior
  4. Department of the Army$68.4M2.0%
    Department of Defense
  5. Department of the Air Force$50.2M1.5%
    Department of Defense
  6. Departmental Offices$30.3M0.9%
    Department of the Interior
  7. Agricultural Marketing Service$27.2M0.8%
    Department of Agriculture
  8. Offices, Boards and Divisions$26.4M0.8%
    Department of Justice

Top recipients

  1. BATTELLE ENERGY ALLIANCE, LLC$2.1B64%
    1 award
  2. IDAHO ENVIRONMENTAL COALITION LLC$554.8M17%
    1 award
  3. PERIMETER SOLUTIONS LP$142.2M4.2%
    17 awards
  4. HCPA-GARCO JV1$48.1M1.4%
    1 award
  5. COULSON AVIATION (USA), INC.$36.6M1.1%
    8 awards
  6. V3GATE, LLC$26.7M0.8%
    3 awards
  7. AERO AIR, LLC$24.5M0.7%
    11 awards
  8. AERO-FLITE, INC.$23.7M0.7%
    13 awards
  9. SPUR AVIATION SERVICES, LC$16.2M0.5%
    36 awards
  10. ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION$16.1M0.5%
    2 awards
Open the district page

Campaign money

What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.

2026 cycle

Raised
$1.1M
through Jun 30, 2026
Cash on hand
$429.4K
From committees
$657K
199 committees
From contractor PACs
$193.5K
48 PACs · 29% of committee money
IndividualsPACsPartySelf

Largest gifts from PACs of federal contractors, 2026

PAC sponsorGivenMatched contract recipientIts contracts, FY2026
dairy farmers of america, inc.dairy farmers of america, inc. political action committee; aka dfa-pac$10KDAIRY FARMERS OF AMERICA, INC.AI match · 100% · the same organization$3.3M
american bankers association (aba)american bankers association pac (bankpac)$10KAMERICAN BANKERS ASSOCIATIONAI match · 100% · the same organization—
northrop grumman corporationemployees of northrop grumman corporation pac$10KNORTHROP GRUMMAN SYSTEMS CORPORATIONAI match · 100% · of one corporate family$1.1B
space exploration technologies corp.space exploration technologies corp. pac$10KSPACE EXPLORATION TECHNOLOGIES CORPAI match · 100% · the same organization$6.6M
international association of fire fightersinternational association of firefighters interested in registration and education pac$8,500INTERNATIONAL ASSOCIATION OF FIREFIGHTERSAI match · 100% · the same organization$5,280
the boeing companythe boeing company pac$8,000THE BOEING COMPANYAI match · 99% · the same organization$9B
woolpert, inc.woolpert, inc. pac$7,000WOOLPERT, INC.AI match · 100% · the same organization$89M
leidos, inc.leidos inc. political action committee$7,000LEIDOS, INC.AI match · 99% · the same organization$1.1B
constellation energy corporationconstellation energy corporation employee political action committee (cepac)$7,000CONSTELLATION NEWENERGY INCAI match · 100% · of one corporate family$1.9M
perimeter solutions inc.perimeter solutions inc. political action committee$6,000PERIMETER SOLUTIONS LPAI match · 91% · the same organization$277.3M

By cycle

CycleRaised (FEC summary)From committeesFrom contractor PACs
2026$1.1M$657K$193.5K48 PACs · 29% of committee money
2024$1.6M$894.1K$261.8K68 PACs · 29% of committee money
2022$1.6M$1.1M$338.6K77 PACs · 32% of committee money

Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.

Terms

Every term in the House or Senate, as published by the congress-legislators project.

  1. House · Idaho's 2nd districtJan 3, 2025 – Jan 3, 2027
  2. House · Idaho's 2nd districtJan 3, 2023 – Jan 3, 2025
  3. House · Idaho's 2nd districtJan 3, 2021 – Jan 3, 2023
  4. House · Idaho's 2nd districtJan 3, 2019 – Jan 3, 2021
  5. House · Idaho's 2nd districtJan 3, 2017 – Jan 3, 2019
  6. House · Idaho's 2nd districtJan 6, 2015 – Jan 3, 2017
  7. House · Idaho's 2nd districtJan 3, 2013 – Jan 3, 2015
  8. House · Idaho's 2nd districtJan 5, 2011 – Jan 3, 2013
  9. House · Idaho's 2nd districtJan 6, 2009 – Jan 3, 2011
  10. House · Idaho's 2nd districtJan 4, 2007 – Jan 3, 2009
  11. House · Idaho's 2nd districtJan 4, 2005 – Jan 3, 2007
  12. House · Idaho's 2nd districtJan 7, 2003 – Jan 3, 2005
  13. House · Idaho's 2nd districtJan 3, 2001 – Jan 3, 2003
  14. House · Idaho's 2nd districtJan 6, 1999 – Jan 3, 2001

Contact

Official channels, as published.

Website
simpson.house.gov
Phone
202-225-5531
Office
2084 Rayburn House Office Building

Identifiers

The same member in other public records.

Sources and method

Every figure on this page traces to these records.

  • Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
  • House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
  • Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 7, 2026 · loaded Oct 7, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 7, 2026 · loaded Oct 7, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 7, 2026 · loaded Oct 7, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
  • Activity counts describe volume and attendance; they are not a measure of quality.
  • Money and votes are shown side by side; neither explains the other.