DUNCAN, JEFFREY D MR.

R · house · bioguide D000615

FEC candidate id: H0SC03077
Internal id: 50506a30-16ce-41a3-9f16-c3b9e935b2c5
Status: incumbent

Who this candidate represents

Who lives here — American Community Survey 5-year estimates (2024), SC-03. Source.

Category	Metric	Value
People	Population	750,357
People	Median age	41
Income	Median household income	$62,661
Income	Per-capita income	$34,752
Income	In poverty	15.6%
Income	Unemployed	4.7%
Income	Gini inequality index	0.470
Race	White alone	73.5%
Race	Black alone	16.5%
Race	Asian alone	1.0%
Race	Hispanic or Latino	6.3%
Race	Two or more races	6.3%
Origin	Foreign-born	4.0%
Language	Speaks English only at home	94.3%
Language	Speaks Spanish at home	4.0%
Education	High school or higher	57.7%
Education	Bachelor's or higher	26.3%
Education	Advanced degree	9.9%
Household	Family households	66.7%
Household	Avg household size	2.44
Household	Never married (15+)	31.0%
Housing	Median home value	$219,600
Housing	Median gross rent	$940
Housing	Single-family detached	68.6%
Housing	Built before 1940	3.3%
Housing	Overcrowded (>1 per room)	2.0%
Housing	Vacant units	12.7%
Service	Veterans (18+)	7.2%
Health	With a disability	15.4%
Connectivity	Households with broadband	86.7%
Connectivity	Households with no internet	10.3%
Commute	Drove alone	79.8%
Commute	Public transit	0.3%
Commute	Worked from home	8.2%

Cycle financials

Source: FEC weball bulk file (cycle summary). Numbers in USD; 0 = no activity reported.

Cycle	Raised	Spent	Cash on hand	Debts	Indiv. contribs.
2024	$820,075	$872,033	$657,720	$0	$357,128
2022	$1,686,731	$1,459,465	$709,678	$0	$1,046,276
2020	$1,527,352	$1,289,578	$482,411	$0	$840,688
2018	$893,732	$714,380	$244,637	$0	$359,697
2016	$618,229	$715,208	$65,286	$0	$266,666
2014	$612,928	$582,705	$162,264	$0	$256,180
2012	$698,728	$598,247	$132,042	$0	$245,371
2010	$935,503	$903,943	$31,560	$0	$541,930

Elections

2010 general house · SC-3 — won
2012 general house · SC-3 — won
2014 general house · SC-3 — won
2016 general house · SC-3 — won
2018 general house · SC-3 — won
2020 general house · SC-3 — won
2022 general house · SC-3 — won
2024 general house · SC-3 — lost_general

Committees

JEFF DUNCAN FOR CONGRESS — principal · type N
JEFF DUNCAN FOR CONGRESS — independent · type N
SECURITY FOR AMERICA FUND — joint_fundraising · type H
SOUTH CAROLINA YOUNG GUNS VICTORY FUND DUNCAN GOWDY MULVANEY SCOTT — joint_fundraising · type H

Recent votes

2024-12-20 · Cong. 118 · house roll 517
YEA on HR 10545 — American Relief Act, 2025
2024-12-19 · Cong. 118 · house roll 516
NAY on HR 10515 — American Relief Act, 2025
2024-12-18 · Cong. 118 · house roll 515
YEA on S 759 — Beagle Brigade Act of 2023
2024-12-18 · Cong. 118 · house roll 514
YEA on HR 8663 — DETECT Fentanyl and Xylazine Act of 2024
2024-12-18 · Cong. 118 · house roll 513
YEA on S 3857 — Jamul Indian Village Land Transfer Act
2024-12-18 · Cong. 118 · house roll 512
YEA on S 1351 — Stop Institutional Child Abuse Act
2024-12-17 · Cong. 118 · house roll 511
YEA on HR 1101 — Lumbee Fairness Act
2024-12-17 · Cong. 118 · house roll 510
YEA on Never Again Education Reauthorization Act
2024-12-17 · Cong. 118 · house roll 509
YEA on HR 115 — Midnight Rules Relief Act
2024-12-17 · Cong. 118 · house roll 508
NAY on HR 115 — Midnight Rules Relief Act

Election prediction

Cycle 2026 · model baseline-v1 · base rate 15.1%

P(win) = 99.0%

Feature	Δ P(win)
Base rate (historical)	15.1%
incumbent	+78.0%
R (major party)	+10.0%

Baseline model (incumbency × party × office). Calibration: backtest Brier score is the reference, see npm run db:ingest -- --source=predict-backtest-election. Future model versions must beat baseline Brier on the same held-out cohort or they don't ship.

Transfers from committees

Direct contributions from PACs and party committees. Source: FEC pas2 bulk (committee-to-candidate transactions).

Date	From committee	Type	Amount
2022-12-31	AMERICAN OPTOMETRIC ASSOCIATION POLITICAL ACTIO…	24K	$-2,000
2022-12-20	NATIONAL PRO-LIFE ALLIANCE PAC	24K	$500
2022-12-16	TOYOTA MOTOR NORTH AMERICA, INC POLITICAL ACTIO…	24K	$1,000
2022-12-15	CHARTER COMMUNICATIONS INC. POLITICAL ACTION CO…	24K	$2,500
2022-12-08	ENERGY MARKETERS OF AMERICA SMALL BUSINESS COMM…	24K	$5,000
2022-12-07	AMERICA'S FUTURE, TOGETHER	24K	$1,000
2022-11-28	WINRED	24K	$-15
2022-11-18	BLUE CROSS BLUE SHIELD OF SOUTH CAROLINA FEDERA…	24K	$5,000
2022-11-17	WINRED	24K	$0
2022-11-13	WINRED	24K	$-3
2022-11-04	WORKING FOR OHIO	24K	$2,000
2022-11-04	CHARTER COMMUNICATIONS INC. POLITICAL ACTION CO…	24K	$2,500
2022-11-04	AMERICAN PETROLEUM INSTITUTE POLITICAL ACTION C…	24K	$1,500
2022-11-03	ELEVANCE HEALTH, INC. POLITICAL ACTION COMMITTE…	24K	$1,000
2022-11-03	ELEVANCE HEALTH, INC. POLITICAL ACTION COMMITTE…	24K	$-1,000
2022-11-02	NORFOLK SOUTHERN CORPORATION GOOD GOVERNMENT FU…	24K	$1,000
2022-10-31	SOUTHERN NUCLEAR OPERATING COMPANY, INC. PAC	24K	$2,500
2022-10-28	FEDERAL BIPARTISAN VOLUNTARY PUBLIC AFFAIRS COM…	24K	$2,000
2022-10-28	NATIONAL COUNCIL OF TEXTILE ORGANIZATIONS INC P…	24K	$2,500
2022-10-27	AMERICAN OPTOMETRIC ASSOCIATION POLITICAL ACTIO…	24K	$2,000
2022-10-24	CHAMPION AMERICAN VALUES	24K	$2,500
2022-10-22	WINRED	24K	$-1
2022-10-21	VENABLE PAC (VEN-PAC)	24K	$500
2022-10-21	REGIONS FINANCIAL CORPORATION POLITICAL ACTION …	24K	$1,000
2022-10-19	INVEST IN EDUCATION COALITION INC. PAC	24K	$1,000

Connected on the graph

Inbound (100)

date	from	type	amount	source
2022-12-31	AMERICAN OPTOMETRIC ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$-2,000	pas2
2022-12-20	NATIONAL PRO-LIFE ALLIANCE PAC	contributed_to	$500	pas2
2022-12-16	TOYOTA MOTOR NORTH AMERICA, INC POLITICAL ACTION COMMITTEE (TOYOTA/LEXUS PAC)	contributed_to	$1,000	pas2
2022-12-15	CHARTER COMMUNICATIONS INC. POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-12-08	ENERGY MARKETERS OF AMERICA SMALL BUSINESS COMMITTEE PAC (EMA SBC PAC)	contributed_to	$5,000	pas2
2022-12-07	AMERICA'S FUTURE, TOGETHER	contributed_to	$1,000	pas2
2022-11-28	WINRED	contributed_to	$-15	pas2
2022-11-18	BLUE CROSS BLUE SHIELD OF SOUTH CAROLINA FEDERAL GOVERNMENT PROGRAMS	contributed_to	$5,000	pas2
2022-11-17	WINRED	contributed_to	$0	pas2
2022-11-13	WINRED	contributed_to	$-3	pas2
2022-11-04	WORKING FOR OHIO	contributed_to	$2,000	pas2
2022-11-04	CHARTER COMMUNICATIONS INC. POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-11-04	AMERICAN PETROLEUM INSTITUTE POLITICAL ACTION COMMITTEE (API PAC)	contributed_to	$1,500	pas2
2022-11-03	ELEVANCE HEALTH, INC. POLITICAL ACTION COMMITTEE (ELEVANCE HEALTH PAC)	contributed_to	$-1,000	pas2
2022-11-03	ELEVANCE HEALTH, INC. POLITICAL ACTION COMMITTEE (ELEVANCE HEALTH PAC)	contributed_to	$1,000	pas2
2022-11-02	NORFOLK SOUTHERN CORPORATION GOOD GOVERNMENT FUND	contributed_to	$1,000	pas2
2022-10-31	SOUTHERN NUCLEAR OPERATING COMPANY, INC. PAC	contributed_to	$2,500	pas2
2022-10-28	NATIONAL COUNCIL OF TEXTILE ORGANIZATIONS INC POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-10-28	FEDERAL BIPARTISAN VOLUNTARY PUBLIC AFFAIRS COMMITTEE OF THE PNC FINANCIAL SERVICES GROUP, INC. (PNC	contributed_to	$2,000	pas2
2022-10-27	AMERICAN OPTOMETRIC ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$2,000	pas2
2022-10-24	CHAMPION AMERICAN VALUES	contributed_to	$2,500	pas2
2022-10-22	WINRED	contributed_to	$-1	pas2
2022-10-21	REGIONS FINANCIAL CORPORATION POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-10-21	VENABLE PAC (VEN-PAC)	contributed_to	$500	pas2
2022-10-19	CONSTELLATION ENERGY CORPORATION EMPLOYEE POLITICAL ACTION COMMITTEE (CEPAC)	contributed_to	$2,000	pas2
2022-10-19	BRIDGESTONE AMERICAS INC. PAC	contributed_to	$1,000	pas2
2022-10-19	INVEST IN EDUCATION COALITION INC. PAC	contributed_to	$1,000	pas2
2022-10-18	NATIONAL APARTMENT ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-10-17	PG&E CORPORATION EMPLOYEES ENERGYPAC	contributed_to	$1,000	pas2
2022-10-14	AMERICAN CONCRETE PIPE ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-10-13	CHARTER COMMUNICATIONS INC. POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-10-12	MOLINA HEALTHCARE, INC. PAC	contributed_to	$2,000	pas2
2022-10-12	HEIDELBERG MATERIALS US, INC. POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-10-12	NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE	contributed_to	$3,000	pas2
2022-10-11	BWX TECHNOLOGIES, INC POLITICAL ACTION COMMITTEE	contributed_to	$2,000	pas2
2022-10-06	SEAL PAC SUPPORTING ELECTING AMERICAN LEADERS PAC	contributed_to	$2,500	pas2
2022-10-05	WINRED	contributed_to	$-19	pas2
2022-10-04	LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-10-04	LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-10-04	PINNACLE WEST CAPITAL CORPORATION PAC	contributed_to	$2,500	pas2
2022-10-03	EXXON MOBIL CORPORATION POLITICAL ACTION COMMITTEE (EXXONMOBIL PAC)	contributed_to	$2,500	pas2
2022-10-01	JM FAMILY ENTERPRISES, INC PAC	contributed_to	$2,500	pas2
2022-09-30	POWERPAC OF THE EDISON ELECTRIC INSTITUTE	contributed_to	$5,000	pas2
2022-09-30	SOUTHERN NUCLEAR OPERATING COMPANY, INC. PAC	contributed_to	$1,000	pas2
2022-09-30	406 PAC	contributed_to	$1,000	pas2
2022-09-29	WALMART INC. PAC FOR RESPONSIBLE GOVERNMENT	contributed_to	$1,000	pas2
2022-09-29	MARATHON PETROLEUM CORPORATION EMPLOYEES POLITICAL ACTION COMMITTEE (MPAC)	contributed_to	$2,500	pas2
2022-09-28	SOUTHERN COMPANY EMPLOYEES PAC	contributed_to	$1,500	pas2
2022-09-28	THE CIGNA GROUP EMPLOYEE POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-09-27	JONES WALKER L.L.P. POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-09-27	NATIONAL STONE, SAND & GRAVEL ASSOCIATION ROCKPAC	contributed_to	$1,000	pas2
2022-09-27	SMITH & WESSON BRANDS, INC. POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-09-27	AMERICAN FUELS AND PETROCHEMICAL MANUFACTURERS ASSOCIATION POLITICAL ACTION COMMITTEE (AFPMPAC)	contributed_to	$2,500	pas2
2022-09-27	AMERICA'S FUTURE, TOGETHER	contributed_to	$1,500	pas2
2022-09-26	NATIONAL FEDERATION OF INDEPENDENT BUSINESS	contributed_to	$224	pas2
2022-09-26	DTE ENERGY COMPANY POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-09-26	AMERICAN GAS ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-09-25	WINRED	contributed_to	$-50	pas2
2022-09-24	FAA MANAGERS ASSOCIATION INC. PAC	contributed_to	$1,000	pas2
2022-09-23	AMERICAN ROAD & TRANSPORTATION BUILDERS ASSOCIATION PAC	contributed_to	$1,000	pas2
2022-09-23	FRAMATOME INC PAC	contributed_to	$1,000	pas2
2022-09-23	IHEARTMEDIA, INC. PAC	contributed_to	$1,000	pas2
2022-09-22	AMERICAN BANKERS ASSOCIATION PAC (BANKPAC)	contributed_to	$2,500	pas2
2022-09-21	FREEDOM CAUCUS FUND	contributed_to	$5	pas2
2022-09-21	AMGEN INC. POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-09-19	UNITED PARCEL SERVICE, INC. PAC (UPSPAC)	contributed_to	$2,500	pas2
2022-09-19	ALZHEIMERS IMPACT MOVEMENT POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-09-19	NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$2,500	pas2
2022-09-19	XCEL ENERGY EMPLOYEE POLITICAL ACTION COMMITTEE (XPAC)	contributed_to	$1,000	pas2
2022-09-19	AFLAC POLITICAL ACTION COMMITTEE (AFLAC PAC)	contributed_to	$2,500	pas2
2022-09-16	DUKE ENERGY CORPORATION EMPLOYEE POLITICAL ACTION COMMITTEE (DUKEPAC)	contributed_to	$2,000	pas2
2022-09-16	CRH AMERICAS, INC. PAC	contributed_to	$2,500	pas2
2022-09-16	TOYOTA MOTOR NORTH AMERICA, INC POLITICAL ACTION COMMITTEE (TOYOTA/LEXUS PAC)	contributed_to	$1,000	pas2
2022-09-15	MERCK & CO., INC., EMPLOYEES POLITICAL ACTION COMMITTEE (MERCK PAC)	contributed_to	$2,000	pas2
2022-09-15	WINRED	contributed_to	$0	pas2
2022-09-14	KOCH, INC. POLITICAL ACTION COMMITTEE (KOCHPAC)	contributed_to	$3,500	pas2
2022-09-14	VALERO ENERGY CORPORATION POLITICAL ACTION COMMITTEE	contributed_to	$5,000	pas2
2022-09-13	NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL ADVISORS POLITICAL ACTION COMM	contributed_to	$2,000	pas2
2022-09-13	DOMINION ENERGY, INC. POLITICAL ACTION COMMITTEE - DOMINION PAC	contributed_to	$4,000	pas2
2022-09-13	BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC)	contributed_to	$3,000	pas2
2022-09-13	WINRED	contributed_to	$0	pas2
2022-09-12	CHEVRON EMPLOYEES POLITICAL ACTION COMMITTEE - CHEVRON CORPORATION	contributed_to	$2,500	pas2
2022-09-12	AMERICAN ASSOCIATION OF NURSE PRACTITIONERS POLITICAL ACTION COMMITTEE	contributed_to	$1,000	pas2
2022-09-09	WINRED	contributed_to	$-35	pas2
2022-09-09	WINRED	contributed_to	$-35	pas2
2022-09-09	JASON SMITH FOR CONGRESS	contributed_to	$2,000	pas2
2022-09-08	FREEDOM CAUCUS FUND	contributed_to	$100	pas2
2022-09-07	FREEDOM CAUCUS FUND	contributed_to	$5,000	pas2
2022-09-06	AMERICAN HEALTH CARE ASSOCIATION POLITICAL ACTION COMMITTEE	contributed_to	$1,500	pas2
2022-09-06	TOMORROW IS MEANINGFUL PAC	contributed_to	$5,000	pas2
2022-09-01	JIM JORDAN FOR CONGRESS	contributed_to	$2,000	pas2
2022-08-30	WINRED	contributed_to	$0	pas2
2022-08-30	CHAMPION AMERICAN VALUES	contributed_to	$2,500	pas2
2022-08-30	ECHOSTAR CORPORATION AND DISH NETWORK CORPORATION PAC (ECHOSTAR DISH NETWORK PAC)	contributed_to	$2,500	pas2
2022-08-24	CAREER EDUCATION COLLEGES AND UNIVERSITIES POLITICAL ACTION COMMITTEE	contributed_to	$-1,500	pas2
2022-08-23	WINRED	contributed_to	$-1	pas2
2022-08-23	FLUOR CORPORATION POLITICAL ACTION COMMITTEE (FLUOR PAC)	contributed_to	$1,500	pas2
2022-08-23	WINRED	contributed_to	$0	pas2
2022-08-23	WINRED	contributed_to	$0	pas2
2022-08-23	WINRED	contributed_to	$0	pas2

Outbound (9)

date	type	to	amount	role	source
—	independent_committee_of	JEFF DUNCAN FOR CONGRESS	—		candidate_committees
—	principal_candidate_of	JEFF DUNCAN FOR CONGRESS	—		candidate_committees
—	joint_fundraising_committee_of	SOUTH CAROLINA YOUNG GUNS VICTORY FUND DUNCAN GOWDY MULVANEY SCOTT	—		candidate_committees
—	joint_fundraising_committee_of	SECURITY FOR AMERICA FUND	—		candidate_committees
2024-06-05	cosponsor_of_bill	HJRES 166 — Providing for congressional disapproval under chapter 8 of title 5, United States Code,	—	cosponsor	sponsorship
2024-02-29	cosponsor_of_bill	HR 7476 — Countering Communist China Act	—	cosponsor	sponsorship
2023-10-25	cosponsor_of_bill	HR 6011 — ROWATA Act	—	cosponsor	sponsorship
2023-02-21	sponsor_of_bill	HR 1121 — Protecting American Energy Production Act	—	sponsor	sponsorship
2023-01-26	cosponsor_of_bill	HR 571 — SCHOOL Act of 2023	—	cosponsor	sponsorship

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