Mike Simpson
U.S. Representative, ID-2 since 1999. Ran in 21 elections between 1984 and 2024, winning 21. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, ID-2Born 1950Dentist
- In office
- 27 yrs
- Since 1999
- Bills became law
- 0
- 5 sponsored, 119th Congress
- Votes missed
- 2.2%
- Chamber median 2.1%
- With party
- 95%
- On votes splitting the parties
- Last margin
- +11.4
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Committees
119th Congress.
- House Committee on AppropriationsLabor, Health and Human Services, Education, and Related AgenciesInterior, Environment, and Related Agencies · ChairEnergy and Water Development and Related Agencies
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
No bills in this list for the 119th Congress.
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Simpson sits in the U.S. House
Simpson is closer to the center than 90% of the chamber's Republicans.
Closest: Mario Díaz-Balart, Jay Obernolte, Michael T. McCaul
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Simpson’s party
- Votes with the chamber's Republicans95%
- Cosponsorships of the other party's bills14%
Black tick: the average of Republicans in the U.S. House.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Simpson’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Simpson | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Sep 16, 2026 | HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | Yes | Yes | No | Passed 262–159 |
| Jun 30, 2026 | HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to… | No | No | Yes | Failed 189–235 |
| Jun 9, 2026 | S 2: Secure America Act | Yes | Yes | No | Passed 214–212 |
| May 13, 2026 | HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure… | No | Yes | No | Passed 218–203 |
| Feb 12, 2026 | HR 2189: To modernize Federal firearms laws to account for advancements in technology and… | Yes | Yes | No | Passed 233–185 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Simpson was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | U.S. House, ID-2 | Won | R+11.4 | R+27.5 | −16.1 |
| 2024 | U.S. House, ID-2 | Won | R+30.4 | R+27.5 | +2.9 |
| 2022 | U.S. House, ID-2 | Won | R+27.0 | R+23.7 | +3.3 |
| 2020 | U.S. House, ID-2 | Won | R+32.3 | — | — |
| 2018 | U.S. House, ID-2 | Won | R+21.3 | — | — |
| 2016 | U.S. House, ID-2 | Won | R+33.5 | — | — |
| 2014 | U.S. House, ID-2 | Won | R+22.7 | — | — |
| 2012 | U.S. House, ID-2 | Won | R+30.3 | — | — |
| 2010 | U.S. House, ID-2 | Won | R+44.4 | — | — |
| 2008 | U.S. House, ID-2 | Won | R+42.0 | — | — |
| 2006 | U.S. House, ID-2 | Won | R+27.6 | — | — |
| 2004 | U.S. House, ID-2 | Won | R+41.5 | — | — |
| 2002 | U.S. House, ID-2 | Won | R+39.1 | — | — |
| 2000 | U.S. House, ID-2 | Won | R+44.8 | — | — |
| 1998 | U.S. House, ID-2 | Won | R+7.8 | — | — |
| 1996 | Idaho House of Representatives, District 31 | Won | R+15.5 | — | — |
| 1994 | Idaho House of Representatives, District 31 | Won | D+12.4 | — | — |
| 1992 | Idaho House of Representatives, District 31 | Won | R+7.7 | — | — |
| 1990 | Idaho House of Representatives, District 26 | Won | D+5.1 | — | — |
| 1988 | Idaho House of Representatives, District 26 | Won | D+10.9 | — | — |
| 1986 | Idaho House of Representatives, District 26 | Won | D+2.2 | — | — |
| 1984 | Idaho House of Representatives, District 26 | Won | D+6.7 | — | — |
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $1.4M
- Spent
- $1.2M
- Cash
- $300.6K
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| SIMPSON FOR CONGRESS FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Simpson has held
- U.S. House, ID-2 · 1999–2027
- Idaho House of Representatives, District 31 · 1992–1998
- Idaho House of Representatives, District 26 · 1984–1992
Source: 99chambers results archive
Who Simpson has run against
- Ellie Gilbreath (D) · 2026 election, won
- David Roth (D) · 2024 election, won
- Wendy Norman (D) · 2022 election, won
- C. Aaron Swisher (D) · 2020 election, won
- Jennifer Martinez (D) · 2016 election, won
- Richard Stallings (D) · 2014 election, won
- Nicole Lefavour (D) · 2012 election, won
- Mike Crawford (D) · 2010 election, won
Source: 99chambers results archive; 2026: Idaho Secretary of State (unofficial)
In the polls
Included in 7 polls; Simpson’s best result was 67% (Idaho's 2nd District, 2010).
Simpson’s polls in the database →How we know Simpson
One person, matched across every source we use.
- Bioguide S001148
- FEC H8ID02064
- Wikidata Q549521
- Ballotpedia Michael K. Simpson
- Vote Smart 2917
- GovTrack 400376
- OpenSecrets N00006263
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET