Mike Crapo

Biography

Overview

Mike Crapo is a Republican U.S. senator from Idaho serving since 1999. Born in Idaho Falls in 1951, he is a graduate of Brigham Young University and Harvard Law School. Before his Senate career, he served in the Idaho State Senate (1984–1992) and the U.S. House (1993–1999). He is the senior senator from Idaho and dean of the state's congressional delegation. He is a member of The Church of Jesus Christ of Latter-day Saints.

Career

Crapo has focused on nuclear energy policy, helping develop the Nuclear Energy Innovation Capabilities Act and Nuclear Energy Innovation and Modernization Act, which established the National Reactor Innovation Center at Idaho National Laboratory. He sponsored the recent Secure Rural Schools Reauthorization Act, which became law. He advocates for early cancer detection and helped push for a federal Office of Men's Health following his own prostate cancer battle. He supports veterans' benefits, though he voted against the Honoring our PACT Act in 2022. He has opposed major Obama-era health care legislation and gun control measures.

Prior political experience

Crapo was first elected to the U.S. Senate in 1998, succeeding retiring Republican Dirk Kempthorne. He has been reelected four times. In 2004, he won reelection with 99.2% of the vote (with 0.8% going to a write-in Democratic candidate). In 2010, he won with 71% against Democratic nominee P. Tom Sullivan. In 2016, he won with 66% against Democratic nominee Jerry Sturgill. In 2022, he was reelected with 61% of the vote. Before the Senate, he served three terms in the U.S. House (1993–1999), representing Idaho's 2nd congressional district, and served in the Idaho State Senate (1984–1992).

Biographical material adapted from the Wikipedia article (retrieved April 29, 2026), available under CC BY-SA 4.0.

Ideology

Liberal–Conservative (DW-NOMINATE dim 1)

Liberal

Conservative

119th Congress+0.505

Secondary axis (DW-NOMINATE dim 2)(?)

−1

+1

+0.291

Source: Voteview DW-NOMINATE · 671 scored votes

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Officeholding history

Term	Seat	Term dates	Termination	Predecessor	Successor
5th	U.S. Senate ID Class 3	2023–present	In progress	Mike Crapo	—
4th	U.S. Senate ID Class 3	2017–2023	Term ended	Mike Crapo	Mike Crapo
3rd	U.S. Senate ID Class 3	2011–2017	Term ended	Mike Crapo	Mike Crapo
2nd	U.S. Senate ID Class 3	2005–2011	Term ended	Mike Crapo	Mike Crapo
1st	U.S. Senate ID Class 3	1999–2005	Term ended	—	Mike Crapo
3rd	U.S. House ID-2	1997–1999	Term ended	Mike Crapo	Mike Simpson
2nd	U.S. House ID-2	1995–1997	Term ended	Mike Crapo	Mike Crapo
1st	U.S. House ID-2	1993–1995	Term ended	—	Mike Crapo

Committee assignments

Joint Committee on Taxation
jointChairman· 2023–present
Senate Committee on Finance
SenateChairman· 2023–present
Securities, Insurance, and Investment
Senate· 2023–present
Housing, Transportation, and Community Development
Senate· 2023–present
Financial Institutions and Consumer Protection
Senate· 2023–present
Senate Committee on Banking, Housing, and Urban Affairs
Senate· 2023–present
Fiscal Responsibility and Economic Growth
SenateEx Officio· 2023–present
Senate Committee on the Budget
Senate· 2023–present
Social Security, Pensions, and Family Policy
SenateEx Officio· 2023–present
Energy, Natural Resources, and Infrastructure
SenateEx Officio· 2023–present
International Trade, Customs, and Global Competitiveness
SenateEx Officio· 2023–present
Taxation and IRS Oversight
SenateEx Officio· 2023–present
Health Care
SenateEx Officio· 2023–present

Current term legislation

Bills sponsored this term10

Bills cosponsored this term10

Elections

Year	Seat	Result	Vote share	Field
—	—	Pending	—	—