Mike Simpson
U.S. Representative, Idaho's 2nd district · Republican
Mike Simpson (R-ID) voted with the Republican majority on 95.3% of the 467 party-line votes cast in the 119th Congress through Sept. 16, 2026, and against it 22 times. Among 224 House Republicans with at least 50 such votes, that is the 20th-lowest score. Missed 14 of 674 roll calls (2.1%).
Source: Voteview roll-call data for the 119th Congress (through Sept. 16, 2026), files updated . A party-line vote is one where most voting Democrats opposed most voting Republicans. Voteview profile · Congress.gov
By party
| As | Period | Party-line score | Votes with own party |
|---|---|---|---|
| Republican | Jan. 3, 2025 – Sept. 16, 2026 | 95.3% | 445 of 467 |
Votes against the Republican majority
The 22 most recent of 22 party-line votes on which Mike Simpson voted against the Republican majority.
| Date | Measure | Vote |
|---|---|---|
| July 22, 2026 | H.R. 8800 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| July 15, 2026 | H.R. 8595 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| July 15, 2026 | H.R. 8595 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| May 13, 2026 | H.R. 1346 Nationwide Consumer and Fuel Retailer Choice Act On Passage · Passed |
Nay Republicans: Yea |
| April 30, 2026 | H.R. 7567 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| April 30, 2026 | H.R. 7567 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Feb. 24, 2026 | S. 2503 ROTOR Act On Motion to Suspend the Rules and Pass · Failed |
Yea Republicans: Nay |
| Jan. 22, 2026 | H.R. 7148 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Jan. 22, 2026 | H.R. 7148 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Jan. 14, 2026 | H.R. 7006 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Jan. 14, 2026 | H.R. 7006 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Jan. 8, 2026 | H.R. 131 Finish the Arkansas Valley Conduit Act Passage, Objections of the President To The Contrary Notwithstanding · Failed |
Yea Republicans: Nay |
| Jan. 8, 2026 | H.R. 504 Miccosukee Reserved Area Amendments Act Passage, Objections of the President To The Contrary Notwithstanding · Failed |
Yea Republicans: Nay |
| Sept. 4, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 4, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
| Sept. 3, 2025 | H.R. 4553 On Agreeing to the Amendment On Agreeing to the Amendment · Failed |
Nay Republicans: Yea |
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