Representative · Illinois · IL-12
Mike Bost Republican
The record: their votes on what mattered → Who they vote with →
2795positions recorded
129votes against own party
4.6%
crossing rate
Votes against their party
The record most worth reading: where Bost broke with the Republican majority.
| Date | Question | They voted | Party went | Outcome |
|---|---|---|---|---|
| Jul 22, 2026 | On Agreeing to the Amendment · H.R. 8800 | No | Yes | 175-254 |
| Jul 21, 2026 | On Agreeing to the Amendment · H.R. 8800 | Aye | No | 265-161 |
| May 15, 2026 | On Agreeing to the Amendment · H.R. 8469 | Aye | No | 80-333 |
| Apr 30, 2026 | On Agreeing to the Amendment · H.R. 7567 | No | Yes | 186-238 |
| Feb 24, 2026 | On Motion to Suspend the Rules and Pass · S. 2503 | Yea | No | 264-133 |
| Jan 22, 2026 | On Agreeing to the Amendment · H.R. 7148 | No | Yes | 136-291 |
| Jan 22, 2026 | On Agreeing to the Amendment · H.R. 7148 | No | Yes | 164-268 |
| Dec 11, 2025 | On Passage · H.R. 2550 | Yea | No | 231-195 |
| Dec 11, 2025 | On Agreeing to the Resolution · H.Res. 432 | Yea | No | 232-194 |
| Sep 10, 2025 | On Agreeing to the Amendment · H.R. 3838 | Aye | No | 60-372 |
| Sep 10, 2025 | On Agreeing to the Amendment · H.R. 3838 | Aye | No | 60-370 |
| Sep 3, 2025 | On Agreeing to the Amendment · H.R. 4553 | Aye | No | 77-347 |
| Jul 18, 2025 | On Agreeing to the Amendment · H.R. 4016 | Aye | No | 76-355 |
| Jul 18, 2025 | On Agreeing to the Amendment · H.R. 4016 | Aye | No | 104-326 |
| Jul 18, 2025 | On Agreeing to the Amendment · H.R. 4016 | Aye | No | 76-353 |
| Sep 25, 2024 | On Motion to Suspend the Rules and Pass · H.R. 9747 | Nay | Yes | 341-82 |
| Jul 23, 2024 | On Motion to Suspend the Rules and Pass, as Amended · H.R. 7887 | Nay | Yes | 178-234 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8774 | Aye | No | 76-335 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8771 | Aye | No | 61-350 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8771 | Aye | No | 76-334 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8774 | Aye | No | 103-308 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8771 | Aye | No | 103-308 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8771 | Aye | No | 101-312 |
| Jun 27, 2024 | On Agreeing to the Amendment · H.R. 8771 | Aye | No | 70-342 |
| Jun 26, 2024 | On Agreeing to the Amendment · H.R. 8752 | Aye | No | 94-302 |
| Jun 14, 2024 | On Agreeing to the Amendment · H.R. 8070 | No | Yes | 188-228 |
| Jun 13, 2024 | On Agreeing to the Amendment · H.R. 8070 | Aye | No | 74-343 |
| Jun 12, 2024 | On Agreeing to the Amendment · H.R. 8070 | Aye | No | 81-346 |
| Jun 4, 2024 | On Agreeing to the Amendment · H.R. 8580 | Aye | No | 46-354 |
| Apr 20, 2024 | On Agreeing to the Amendment · H.R. 8035 | Aye | No | 105-319 |
| Apr 20, 2024 | On Agreeing to the Amendment · H.R. 8035 | Aye | No | 71-351 |
| Apr 20, 2024 | On Motion to Recommit · H.R. 8035 | Aye | No | 88-336 |
| Apr 15, 2024 | Table Motion to Reconsider · H.R. 7888 | No | Yes | 259-128 |
| Apr 12, 2024 | On Agreeing to the Amendment · H.R. 7888 | No | Yes | 227-193 |
| Apr 12, 2024 | On Agreeing to the Amendment · H.R. 7888 | No | Yes | 236-186 |
| Apr 12, 2024 | On Passage · H.R. 7888 | No | Yes | 273-147 |
| Apr 12, 2024 | On Agreeing to the Amendment · H.R. 7888 | No | Yes | 268-152 |
| Mar 21, 2024 | On Agreeing to the Amendment · H.R. 7023 | Aye | No | 99-323 |
| Mar 6, 2024 | On Motion to Suspend the Rules and Agree · H.Res. 1061 | Nay | Yes | 339-85 |
| Feb 29, 2024 | On Motion to Suspend the Rules and Pass · H.R. 7463 | Nay | Yes | 320-99 |
| Dec 14, 2023 | On Motion to Suspend the Rules and Agree to the Conference Report · H.R. 2670 | Nay | Yes | 310-118 |
| Dec 6, 2023 | On Agreeing to the Amendment · H.R. 5933 | Aye | No | 94-320 |
| Nov 14, 2023 | On Agreeing to the Amendment · H.R. 5894 | Aye | No | 85-350 |
| Nov 14, 2023 | On Agreeing to the Amendment · H.R. 5894 | Aye | No | 81-353 |
| Nov 14, 2023 | On Agreeing to the Amendment · H.R. 5894 | Aye | No | 81-354 |
| Nov 14, 2023 | On Motion to Suspend the Rules and Pass, as Amended · H.R. 6363 | Nay | Yes | 336-95 |
| Nov 8, 2023 | On Agreeing to the Amendment · H.R. 4664 | No | Yes | 115-306 |
| Nov 8, 2023 | On Agreeing to the Amendment · H.R. 4664 | No | Yes | 145-273 |
| Nov 8, 2023 | On Agreeing to the Amendment · H.R. 4664 | Aye | No | 106-322 |
| Nov 8, 2023 | On Agreeing to the Amendment · H.R. 4664 | No | Yes | 196-223 |
Recent votes
| Date | Question | Voted | Tally | Result |
|---|---|---|---|---|
| Jul 23, 2026 | On Passage | ✓ Yea | 232-188 | Passed |
| Jul 23, 2026 | On Agreeing to the Resolution | ✕ Nay | 214-208 | Passed |
| Jul 22, 2026 | On Agreeing to the Resolution | ✓ Yea | 216-214 | Passed |
| Jul 22, 2026 | On Passage | ✓ Yea | 232-198 | Passed |
| Jul 22, 2026 | On Motion to Recommit | ✕ Nay | 211-218 | Failed |
| Jul 22, 2026 | On Passage | ✓ Yea | 216-212 | Passed |
| Jul 22, 2026 | On Motion to Recommit | ✕ Nay | 213-216 | Failed |
| Jul 22, 2026 | On Agreeing to the Amendment crossed | ✕ No | 175-254 | Failed |
| Jul 22, 2026 | On Agreeing to the Amendment | ✓ Aye | 232-199 | Agreed to |
| Jul 22, 2026 | On Agreeing to the Amendment | ✓ Aye | 207-224 | Failed |
| Jul 22, 2026 | On Agreeing to the Amendment | ✓ Aye | 221-210 | Agreed to |
| Jul 21, 2026 | On Passage | ✓ Yea | 220-205 | Passed |
| Jul 21, 2026 | On Passage | ✓ Yea | 270-155 | Passed |
| Jul 21, 2026 | On Motion to Recommit | ✕ Nay | 210-216 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 214-216 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 221-203 | Agreed to |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 219-208 | Agreed to |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 212-217 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 215-214 | Agreed to |
| Jul 21, 2026 | On Agreeing to the Amendment | ✕ No | 76-350 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✕ No | 61-365 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 201-224 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 212-216 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 215-214 | Agreed to |
| Jul 21, 2026 | On Agreeing to the Amendment | ✓ Aye | 208-219 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment crossed | ✓ Aye | 265-161 | Agreed to |
| Jul 21, 2026 | On Agreeing to the Amendment | ✕ No | 65-359 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✕ No | 61-360 | Failed |
| Jul 21, 2026 | On Agreeing to the Amendment | ✕ No | 65-361 | Failed |
| Jul 21, 2026 | On Agreeing to the Resolution | ✓ Aye | 214-211 | Passed |
| Jul 21, 2026 | On Ordering the Previous Question | ✓ Yea | 213-209 | Passed |
| Jul 21, 2026 | On Motion to Suspend the Rules and Pass, as Amended | ✓ Yea | 421-1 | Passed |
| Jul 20, 2026 | On Motion to Suspend the Rules and Pass, as Amended | ✓ Yea | 396-0 | Passed |
| Jul 20, 2026 | On Motion to Suspend the Rules and Pass, as Amended | ✓ Yea | 394-6 | Passed |
| Jul 16, 2026 | On Motion to Recommit | ✕ Nay | 210-211 | Failed |
| Jul 16, 2026 | On Motion to Suspend the Rules and Pass | ✓ Yea | 418-0 | Passed |
| Jul 15, 2026 | On Passage | ✓ Yea | 217-209 | Passed |
| Jul 15, 2026 | On Motion to Recommit | ✕ Nay | 209-216 | Failed |
| Jul 15, 2026 | On Agreeing to the Amendment | ✓ Aye | 136-291 | Failed |
| Jul 15, 2026 | On Agreeing to the Amendment | ✕ No | 6-421 | Failed |
| Jul 15, 2026 | On Agreeing to the Amendment | ✕ No | 104-314 | Failed |
| Jul 15, 2026 | On Agreeing to the Amendment | ✓ Aye | 178-247 | Failed |
| Jul 15, 2026 | On Agreeing to the Amendment | ✕ No | 79-348 | Failed |
| Jul 14, 2026 | On Passage | ✓ Yea | 221-201 | Passed |
| Jul 14, 2026 | On Motion to Recommit | ✕ Nay | 208-217 | Failed |
| Jul 14, 2026 | On Passage | ✓ Yea | 308-117 | Passed |
| Jul 14, 2026 | On Agreeing to the Resolution | ✓ Aye | 215-211 | Passed |
| Jul 14, 2026 | On Ordering the Previous Question | ✓ Yea | 217-210 | Passed |
| Jul 13, 2026 | On Motion to Suspend the Rules and Pass, as Amended | ✓ Yea | 398-12 | Passed |
| Jul 13, 2026 | On Motion to Suspend the Rules and Pass | ✓ Yea | 400-7 | Passed |
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