Former senator · Ohio

Rob Portman

Rob Portman served in Congress from 1993 to 2023, last as a Republican senator from Ohio. In the 117th Congress, 949 roll calls were held while they served; they missed 39, and cast 497 of 731 party-unity votes with the majority of their caucus.

Party
Republican
Chamber
Senate
Former
In Congress since
May 4, 1993
Last term ended
Jan 3, 2023
Photo: Government Publishing Office (public domain)

Record by Congress

Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.

CongressRoll callsMissedVotes with partySponsoredCosponsored across the aisle
117th CongressSenate9494.1%39 of 949 · rank 35 of 10068%497 of 731 · rank 97 of 100891 became law63%199 of 315

Ideology (DW-NOMINATE)

Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 117th Congress (Senate), with each party's median and the chamber's range.

Liberal −1+0.37+1 Conservative

Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/

Votes against their party

The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.

  1. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 73–24· Against party
  2. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 34–63· Against party
  3. Dec 1, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 25–70· Against party
  4. Nov 29, 2022· Senate· Passage· On Passage of the Bill· Bill Passed 61–36· Against party
  5. Nov 29, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 45–52· Against party
  6. Nov 29, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 45–52· Against party
  7. Mar 28, 2022· Senate· Passage· On Passage of the Bill· Bill Passed 68–28· Against party
  8. Feb 17, 2022· Senate· Passage· On Passage of the Bill· Bill Passed 65–27· Against party

Recent votes

The latest roll calls on bills and amendments, with the member's recorded position.

  1. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 93–4
  2. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 90–6
  3. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 88–8
  4. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 92–5
  5. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 73–24· Against party
  6. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 40–57
  7. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 44–53
  8. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 47–50
  9. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 10–87
  10. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 47–50
  11. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 34–63
  12. Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 34–63· Against party

Sponsored bills

Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.

89 sponsored · 1 became law

How far they got

  1. Introduced6270%
  2. Reported by committee1719%
  3. Passed one chamber910%
  4. Became law11.1%

Policy areas

  1. Government Operations and Politics15
  2. Health9
  3. International Affairs7
  4. Taxation6
  5. Armed Forces and National Security5
  6. Emergency Management5
  7. Foreign Trade and International Finance5
  8. Immigration5

Latest activity

  1. S. 5352 Trade with China Strategic Assessment Act of 2022
    Introduced· Foreign Trade and International Finance· Dec 21, 2022
  2. S. 5351 Stopping Unlawful Negative Machine Impacts through National Evaluation Act
    Introduced· Science, Technology, Communications· Dec 21, 2022
  3. S. 5349 International Competition for American Jobs Act
    Introduced· Taxation· Dec 21, 2022
  4. S. 5334 FACE IT Act
    Introduced· Government Operations and Politics· Dec 21, 2022
  5. S. 5311 IRS Customer Service and Transformation Act of 2022
    Introduced· Taxation· Dec 20, 2022
  6. S. 4052 Early Hearing Detection and Intervention Act of 2022
    Became law· Health· Dec 20, 2022
  7. S. 2525 Domains Critical to Homeland Security Act
    Reported by committee· Emergency Management· Dec 19, 2022
  8. S. 1351 Safeguarding American Innovation Act
    Reported by committee· Science, Technology, Communications· Dec 19, 2022

Committees

Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.

No committee seats are listed.

Campaign money

What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.

2024 cycle

Raised
$184.2K
through Dec 31, 2024
Cash on hand
$2.7M
From committees
-$14K
1 committees
From contractor PACs
$0
0 PACs · — of committee money
IndividualsPACsPartySelf

By cycle

CycleRaised (FEC summary)From committeesFrom contractor PACs
2024$184.2K-$14K$00 PACs · — of committee money
2022$132.9K-$232.5K-$31.5K0 PACs · — of committee money

Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.

Terms

Every term in the House or Senate, as published by the congress-legislators project.

  1. Senate · OhioJan 3, 2017 – Jan 3, 2023
  2. Senate · OhioJan 5, 2011 – Jan 3, 2017
  3. House · Ohio's 2nd districtJan 4, 2005 – Apr 29, 2005
  4. House · Ohio's 2nd districtJan 7, 2003 – Jan 3, 2005
  5. House · Ohio's 2nd districtJan 3, 2001 – Jan 3, 2003
  6. House · Ohio's 2nd districtJan 6, 1999 – Jan 3, 2001
  7. House · Ohio's 2nd districtJan 7, 1997 – Jan 3, 1999
  8. House · Ohio's 2nd districtJan 4, 1995 – Jan 3, 1997
  9. House · Ohio's 2nd districtMay 4, 1993 – Jan 3, 1995

Identifiers

The same member in other public records.

Sources and method

Every figure on this page traces to these records.

  • Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
  • House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
  • Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
  • Activity counts describe volume and attendance; they are not a measure of quality.
  • Money and votes are shown side by side; neither explains the other.