Mike Bost
U.S. Representative, IL-12 since 2015. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, IL-12Born 1960Firefighter
- In office
- 11 yrs
- Since 2015
- Bills became law
- 0
- 25 sponsored, 119th Congress
- Votes missed
- 1.8%
- Chamber median 2.1%
- With party
- 98%
- On votes splitting the parties
- Last margin
- +39.3
- 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 Transportation and InfrastructureRailroads, Pipelines, and Hazardous MaterialsWater Resources and EnvironmentHighways and Transit
- House Committee on AgricultureGeneral Farm Commodities, Risk Management, and Credit
- House Committee on Veterans' Affairs · Chair
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Armed Forces and National Security · Passed House Jun 2026
Government Operations and Politics · Passed House Feb 2026
Armed Forces and National Security · In committee Oct 2026
Armed Forces and National Security · In committee Oct 2025
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Bost sits in the U.S. House
Bost is closer to the center than 46% of the chamber's Republicans.
Closest: Trent Kelly, Tom Emmer, Julia Letlow
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Bost’s party
- Votes with the chamber's Republicans98%
- Cosponsorships of the other party's bills9%
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: Bost’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Bost | 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… | Yes | 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 Bost 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 | Illinois's 12th District | Won | R+39.3 | R+44.1 | −4.8 |
| 2024 | U.S. House, IL-12 | Won | R+48.4 | — | — |
| 2022 | U.S. House, IL-12 | Won | R+50.0 | — | — |
| 2020 | U.S. House, IL-12 | Won | R+20.9 | — | — |
| 2018 | U.S. House, IL-12 | Won | R+6.2 | — | — |
| 2016 | U.S. House, IL-12 | Won | R+14.6 | — | — |
| 2014 | U.S. House, IL-12 | Won | R+10.6 | — | — |
| 2012 | Illinois House of Representatives, District 115 | Won | — | — | — |
| 2010 | Illinois House of Representatives, District 115 | Won | R+48.9 | — | — |
| 2008 | Illinois House of Representatives, District 115 | Won | R+21.7 | — | — |
| 2006 | Illinois House of Representatives, District 115 | Won | R+55.7 | — | — |
| 2004 | Illinois House of Representatives, District 115 | Won | R+28.3 | — | — |
| 2002 | Illinois House of Representatives, District 115 | Won | R+27.5 | — | — |
| 2000 | Illinois House of Representatives, District 115 | Won | R+25.4 | — | — |
| 1998 | Illinois House of Representatives, District 115 | Won | R+10.2 | — | — |
| 1996 | Illinois House of Representatives, District 115 | Won | R+3.6 | — | — |
| 1994 | Illinois House of Representatives, District 115 | Won | R+12.4 | — | — |
| 1992 | Illinois House of Representatives, District 115 | Lost | D+9.2 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $1.6M
- Spent
- $1.1M
- Cash
- $844.8K
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| MIKE BOST FOR CONGRESS COMMITTEE FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Bost has held
- U.S. House, IL-12 · 2015–2027
- Illinois House of Representatives, District 115 · 1994–2014
Source: 99chambers results archive
Who Bost has run against
- Julie Fortier (D) · 2026 general, won
- Brian Roberts (D) · 2024 election, won
- Homer "Chip" Markel (D) · 2022 election, won
- Raymond C. Lenzi (D) · 2020 election, won
- Brendan Kelly (D) · 2018 election, won
- Charles "c J" Baricevic (D) · 2016 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Bost
One person, matched across every source we use.
- Bioguide B001295
- FEC H4IL12060
- Wikidata Q6846090
- Ballotpedia Mike Bost
- Vote Smart 6302
- GovTrack 412629
- OpenSecrets N00035420
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET