Mike Bost

Representative from Illinois

HOUSEREPUBLICAN2015–nowID B001295

LegislationHEADLINE

6%with Dems

of 4,258 votes

Nominations

—with Dems

of 0 · confirmations only

All contested

6%with Dems

of 4,258 · both combined

Steepest move

−7 pts

2021 → 2023

still a Republican

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓20152021

2025–26119th Congress

Sat as a Republican

1.7%with Democrats

of 469 contested votes

Votes for this Congress are open below

Steepest move: 2021 → 2023, −7 pts — within one party label.

Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with

Sep 16, 2026S. 2403Retire through Ownership ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 9497Water Resources Development ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 9340Ratepayer Protection ActLEGISLATIONYEABOTH · NOT SCORED

Full textRatepayer Protection ActParty majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.

Where this lands

YEAVoted with both majorities — not scored

Open roll call

Sep 16, 2026H.J.Res. 213Providing 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”LEGISLATIONYEAREP MAJORITY

Sep 16, 2026H.R. 10326PROOF ActLEGISLATIONYEAREP MAJORITY

Sep 16, 2026H.R. 9576National Fraud Enforcement Division ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 5334An Act to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposesLEGISLATIONYEAREP MAJORITY

Sep 15, 2026H.Con.Res. 93Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with IranLEGISLATIONNAYREP MAJORITY

Sep 15, 2026H.J.Res. 210Providing 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”LEGISLATIONYEAREP MAJORITY

9 most recent roll calls shown · 469 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Congress0.6% · 1,140 votes

Economics and Public Finance13.5% · 742 votes

Armed Forces and National Security7.4% · 379 votes

Government Operations and Politics4.6% · 259 votes

Energy0.5% · 185 votes

Finance and Financial Sector4.4% · 182 votes

Crime and Law Enforcement4% · 126 votes

Environmental Protection1.6% · 125 votes

International Affairs4.6% · 108 votes

Public Lands and Natural Resources1% · 104 votes

Health5% · 100 votes

Labor and Employment24.4% · 86 votes

Immigration2.4% · 82 votes

Transportation and Public Works19.5% · 82 votes

Education7.7% · 65 votes

Taxation1.6% · 63 votes

Law4.8% · 62 votes

Emergency Management11.1% · 45 votes

Science, Technology, Communications5% · 40 votes

Agriculture and Food3.8% · 26 votes

Civil Rights and Liberties, Minority Issues0% · 26 votes

Commerce0% · 24 votes

Water Resources Development15% · 20 votes

Foreign Trade and International Finance6.3% · 16 votes

Native Americans14.3% · 14 votes

Animals25% · 12 votes

Housing and Community Development8.3% · 12 votes

Families9.1% · 11 votes

Social Welfare0% · 11 votes

Too few contested votes to score

Arts, Culture, Religion— · 2 votes

They also voted in 1 area where the parties never split, so there is nothing to score — never on a contested question: Sports and Recreation.

Blue is the share of votes siding with the Democratic majority; the tick marks 50%.

Service record

6 Congresses

114th · 2015119th · 2025

Republican · House · IL114th–119th

Term datesexact

Mike Bost

Representative from Illinois

HOUSER2015–now6 CONGRESSES

Compare

LegislationHEADLINE

6.4%with Democrats

of 4,258 votes · 93.6% with Republicans

Nominations—of 0 votes

All contested6%of 4,258 · combined

Steepest move−7 pts2021→23, as a Republican

Career arc

10050020152025

2025–26 · 119th · Republican · of 469 votes1.7%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 469 contested votes scored in the 119th

By policy area

career

Congress0.6% · 1,140

Economics and Public Finance13.5% · 742

Armed Forces and National Security7.4% · 379

Government Operations and Politics4.6% · 259

Energy0.5% · 185

Finance and Financial Sector4.4% · 182

Crime and Law Enforcement4% · 126

Environmental Protection1.6% · 125

International Affairs4.6% · 108

Public Lands and Natural Resources1% · 104

Health5% · 100

Labor and Employment24.4% · 86

Immigration2.4% · 82

Transportation and Public Works19.5% · 82

Education7.7% · 65

Taxation1.6% · 63

Law4.8% · 62

Emergency Management11.1% · 45

Science, Technology, Communications5% · 40

Agriculture and Food3.8% · 26

Civil Rights and Liberties, Minority Issues0% · 26

Commerce0% · 24

Water Resources Development15% · 20

Foreign Trade and International Finance6.3% · 16

Native Americans14.3% · 14

Animals25% · 12

Housing and Community Development8.3% · 12

Families9.1% · 11

Social Welfare0% · 11

Arts, Culture, Religion— · 2

Also voted in 1 area where the parties never split — never on a contested question: Sports and Recreation.

Service record

114th · 2015119th · 2025

Republican114th–119th

Party switchers

John Alexander LoganD→R · IL · 40th Wesley Wade WatkinsD→R · OK · 105th Ben Nighthorse CampbellD→R · CO · 104th