Former representative · South Carolina's 3rd district
Jeff Duncan
Jeff Duncan served in Congress from 2011 to 2025, last as a Republican representative for South Carolina's 3rd district. In the 118th Congress, 1,222 roll calls were held while they served; they missed 29, and cast 826 of 834 party-unity votes with the majority of their caucus.
- Party
- Republican
- Chamber
- House
- Former
- In Congress since
- Jan 5, 2011
- Last term ended
- Jan 3, 2025
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.
| Congress | Roll calls | Missed | Votes with party | Sponsored | Cosponsored across the aisle |
|---|---|---|---|---|---|
| 118th CongressHouse of Representatives | 1,222 | 2.4%29 of 1,222 · rank 226 of 442 | 99%826 of 834 · rank 106 of 442 | 280 became law | 4%16 of 447 |
| 117th CongressHouse of Representatives | 997 | 2.3%23 of 997 · rank 112 of 443 | 99%556 of 560 · rank 114 of 443 | 272 became law | 6%27 of 447 |
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 118th Congress (House), with each party's median and the chamber's range.
Liberal −1+0.69+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.
- Dec 19, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Failed 174–235· Against party
- Sep 23, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 257–125· Against party
- Jun 27, 2024· House· Amendments· On Agreeing to the Amendment· Failed 161–251· Against party
- H.R. 8580: Military Construction, Veterans Affairs, and Related Agencies Appropriations Act, 2025YeaJun 4, 2024· House· Amendments· On Agreeing to the Amendment· Agreed to 290–116· Against party
- Apr 12, 2024· House· Amendments· On Agreeing to the Amendment· Agreed to 227–193· Against party
- Sep 27, 2023· House· Amendments· On Agreeing to the Amendment· Failed 119–307· Against party
- Jul 19, 2023· House· Amendments· On Agreeing to the Amendment· Agreed to 220–215· Against party
- Nov 14, 2022· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 304–111· Against party
Recent votes
The latest roll calls on bills and amendments, with the member's recorded position.
- Dec 20, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 366–34
- Dec 19, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Failed 174–235· Against party
- Dec 18, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 381–20
- Dec 18, 2024· House· Passage· On Motion to Suspend the Rules and Concur in the Senate Amendments· Passed 404–1
- Dec 18, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 369–37
- Dec 18, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 373–33
- Dec 17, 2024· House· Passage· On Motion to Suspend the Rules and Pass, as Amended· Passed 311–96
- Dec 17, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 402–12
- Dec 17, 2024· House· Passage· On Passage· Passed 210–201
- Dec 16, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 348–39· Against party
- Dec 16, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 382–12
- Dec 16, 2024· House· Passage· On Motion to Suspend the Rules and Pass· Passed 390–0
Sponsored bills
Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.
55 sponsored · 2 became law
How far they got
- Introduced4684%
- Reported by committee35.5%
- Passed one chamber47.3%
- Became law23.6%
Policy areas
- Energy10
- Immigration6
- Crime and Law Enforcement5
- Government Operations and Politics5
- Health5
- Science, Technology, Communications5
- Commerce4
- International Affairs4
Latest activity
- H.R. 779 No Social Security for Illegal Aliens Act of 2023Introduced· Social Welfare· Dec 17, 2024
- H.R. 497 Freedom for Health Care Workers ActPassed one chamber· Health· Dec 17, 2024
- H.R. 3293 Expediting Federal Broadband Deployment Reviews ActPassed one chamber· Science, Technology, Communications· Dec 17, 2024
- H.R. 2829 Chronic Care Management Improvement Act of 2023Introduced· Health· Dec 17, 2024
- H.R. 152 Hearing Protection ActIntroduced· Taxation· Dec 17, 2024
- H.R. 8653 Major Thomas D. Howie Congressional Gold MedalIntroduced· Armed Forces and National Security· Jun 7, 2024
- H.R. 1121 Protecting American Energy Production ActPassed one chamber· Energy· Mar 21, 2024
- H.R. 7655 Pipeline Safety, Modernization, and Expansion Act of 2024Introduced· Transportation and Public Works· Mar 20, 2024
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.
Federal contracts in the district
Contract obligations attributed to South Carolina's 3rd district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines. Shown next to the member's record: neither explains the other.
- Obligations · FY2026
- $47.6M
- Per resident
- $63.22
- Rank in South Carolina
- 7 of 7
- Contract actions
- 558
- New awards: 344
By fiscal year
- 51.4MFY2017
- 126.3MFY2018
- 64.4MFY2019
- 63MFY2020
- 73.5MFY2021
- 65.5MFY2022
- 89.4MFY2023
- 72.8MFY2024
- 100.8MFY2025
- 47.6MFY2026
Top buyers
- Agricultural Marketing Service$17.3M36%Department of Agriculture
- Defense Logistics Agency$15.9M33%Department of Defense
- Department of Veterans Affairs$8.6M18%
- Department of the Navy$7.1M15%Department of Defense
- Forest Service$4.9M10%Department of Agriculture
- Federal Aviation Administration$1.3M2.7%Department of Transportation
- Defense Health Agency$392.9K0.8%Department of Defense
- Federal Prison System / Bureau of Prisons$378.5K0.8%Department of Justice
Top recipients
- TITAN PEACH FARMS INC$15.8M33%14 awards
- CHAMPION AEROSPACE LLC$15.7M33%33 awards
- MEDSHORE AMBULANCE SERVICE, INC.$5.9M12%1 award
- USVETSERV, LLC$2.2M4.7%57 awards
- F D RILEY & SONS INC$1.7M3.5%4 awards
- RBC AEROSTRUCTURES LLC$1.7M3.5%8 awards
- LUNA ENTERPRISES INTERNATIONAL INC$1.4M3.0%5 awards
- TACMED SIMULATION, INC$1.4M2.9%35 awards
- R & D MAINTENANCE SERVICES INC$1.3M2.7%1 award
- THE TIMKEN CORPORATION$1.1M2.3%63 awards
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
- $820.1K
- through Dec 31, 2024
- Cash on hand
- $657.7K
- From committees
- $383.1K
- 148 committees
- From contractor PACs
- $89K
- 36 PACs · 23% of committee money
IndividualsPACsPartySelf
Largest gifts from PACs of federal contractors, 2024
| PAC sponsor | Given | Matched contract recipient | Its contracts, FY2026 |
|---|---|---|---|
| national association of broadcastersnational association of broadcasters political action committee (nabpac) | $5,000 | NATIONAL ASSOCIATION OF BROADCASTERSAI match · 100% · the same organization | $0 |
| duke energy corporationduke energy corporation pac | $5,000 | DUKE ENERGY PROGRESS, LLCAI match · 100% · of one corporate family | $17.5M |
| dominion energy, inc.dominion energy, inc. political action committee - dominion pac | $5,000 | DOMINION ENERGY, INC.AI match · 100% · the same organization | $25.5K |
| at&t inc.at&t inc. employee federal political action committee (at&t employee federal pac) | $5,000 | AT&T CORP.,AI match · 100% · of one corporate family | -$3,412 |
| general atomicsgeneral atomics political action committee | $5,000 | GENERAL ATOMICSAI match · 95% · the same organization | — |
| marathon petroleum corporationmarathon petroleum corporation employees political action committee (mpac) | $5,000 | MARATHON PETROLEUM COMPANY LPAI match · 99% · the same organization | $525.1M |
| the boeing companythe boeing company political action committee | $4,500 | THE BOEING COMPANYAI match · 99% · the same organization | $9B |
| pricewaterhousecooperspricewaterhousecoopers political action committee i | $4,000 | PRICEWATERHOUSECOOPERS LLPAI match · 98% · the same organization | $4.8M |
| samsung electronics america incsamsung electronics america inc political action committee | $4,000 | SAMSUNG ELECTRONICS CO.,LTD.AI match · 100% · of one corporate family | $3.7M |
| american bankers association (aba)american bankers association pac (bankpac) | $2,500 | AMERICAN BANKERS ASSOCIATIONAI match · 100% · the same organization | — |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2024 | $820.1K | $383.1K | $89K36 PACs · 23% of committee money |
| 2022 | $1.7M | $622.1K | $157.5K35 PACs · 25% 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.
- House · South Carolina's 3rd districtJan 3, 2023 – Jan 3, 2025
- House · South Carolina's 3rd districtJan 3, 2021 – Jan 3, 2023
- House · South Carolina's 3rd districtJan 3, 2019 – Jan 3, 2021
- House · South Carolina's 3rd districtJan 3, 2017 – Jan 3, 2019
- House · South Carolina's 3rd districtJan 6, 2015 – Jan 3, 2017
- House · South Carolina's 3rd districtJan 3, 2013 – Jan 3, 2015
- House · South Carolina's 3rd districtJan 5, 2011 – Jan 3, 2013
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 6, 2026 · loaded Oct 6, 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)
- ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 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 6, 2026 · loaded Oct 6, 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 6, 2026 · loaded Oct 6, 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.