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Former member of Congress · last served 115th Congress

Official portrait of Rep. Mark Sanford

Mark Sanford

REPUBLICAN U.S. Representative · South CarolinaHouse 1995–2019 (SC-1)

Mark Sanford was a Republican U.S. representative from South Carolina, first elected to Congress in 1995.

27Bills & resolutions sponsored113th–115th Congress (excludes amendments)
1Passed a chamberof 27 substantive bills (excludes resolutions and ceremonial bills)
0Became law113th–115th Congress
—Broke with partyNo roll calls in PORKER’s records (they start in 2011)
—Missed votesNo roll calls in PORKER’s records (they start in 2011)
—Pork: own shareFY2024 earmarks: not in office

How we count: “Broke with party” is a yes/no roll call where the member voted against most of their own party on that vote (party as recorded; even splits not counted). “Pork: own share” splits each earmark shared by several members evenly among them.

Recent votes

No recorded roll-call votes in PORKER’s records. Roll-call records start in 2011.

5 most recent bills

Top bills sponsored

Laws first, then bills that passed a chamber, were reported from committee, or drew the most cosponsors.

Elections Rep. Sanford has won

Rep. Sanford has won 5 U.S. House elections (1994–2016). Of the contested races, margins ran from 21.7 to 92.9 points.

010204060Margin of victory, points (axis starts at 0)1994, SC-1: won by 33.9 points1994SC-11996, SC-1: won by 92.9 points19961998, SC-1: won by 82.1 points19982014: unopposed20142016, SC-1: won by 21.7 points2016
Democratic winRepublican winseat changed partyunopposed
Elections won5 in the data (1976–2024); losses are not listed
Closest win: 21.7 points2016, SC-1
Won an open seat or took one from the other party1 of 5 elections (open seat or changed party)
Seat history, South Carolina’s 1st districtWinners, most recent three: Mark Sanford (R) 2014–2016 → Joe Cunningham (D) 2018 → Nancy Mace (R) 2020–2024. Elections shown, not terms; special elections not included.

Full election history for this seat →

Source: MIT Election Data and Science Lab, U.S. House V15 / U.S. Senate V8 (CC0), retrieved 2026-10-18; winners matched to member records by seat and term. Results run through the 2024 elections; nothing from 2026 is shown until it is certified. A margin is a fact about one election, never a score of how well a member represents anyone, and PORKER does not rank members by it.

How has South Carolina’s 1st district done while Rep. Sanford served?

2013 to 2018 in SC-1: typical household income was up 10% after inflation, the share of people below the poverty line was down 2.1 points, and the share of workers looking for a job was down 3.9 points.

Typical household income · after inflationSC-1 $88.1KU.S. $77.6KSouth Carolina $65.5K
SC-1: $80.2K in 2013 → $88.1K in 2018
SC-1 up 10%South Carolina up 10%U.S. up 10%
Share of people below the poverty lineSouth Carolina 15.3%U.S. 13.1%SC-1 11.2%
SC-1: 13.3% in 2013 → 11.2% in 2018
SC-1 down 2.1 pointsSouth Carolina down 3.3 pointsU.S. down 2.7 points
Share of workers looking for a jobSouth Carolina 5.3%U.S. 4.9%SC-1 3.4%
SC-1: 7.4% in 2013 → 3.4% in 2018
SC-1 down 3.9 pointsSouth Carolina down 4.2 pointsU.S. down 3.5 points

Each mini chart has its own scale, fitted to its lines (it does not start at zero), so compare the numbers, not the heights. Teal = district, oxblood = state, grey = U.S.

While they served, not because of them. This shows what happened in South Carolina’s 1st district during Sanford’s time representing it (2013 to 2019). It does not say what the member did or caused. It is not a score, and PORKER never ranks members on it.

One set of district lines. SC-1 was redrawn in 2012 and again in 2022 (the survey year the new lines first appear), but every survey year in Sanford’s term so far (2013 to 2018) uses the same lines, so they can be compared. The Census Bureau has no 2020 yearly estimate.

See the full 20-year record →Source: U.S. Census Bureau, American Community Survey 1-year estimates (tables B19013, B17001, B23001) and BLS CPI-U-RS for inflation, retrieved October 18, 2026. “About the same” means the change is inside the 90% margins of error. Who held the seat: Congress.gov member service records, year level.

Official records on bills this member sponsored

115th Congress. What Congress.gov lists for the 14 bills sponsored.

RecordBillsSource
Bills sponsored14Source: Congress.gov member record, PORKER copy of October 26, 2026 ↗ See them →
With a sponsor’s constitutional-authority statement14See the 14 →
With a CBO cost estimate listed0None listed
With a committee report listed0None listed
Evidence
How counted
Bills where this member is the lead (first-listed) sponsor in the 115th Congress, read from the stored Congress.gov bill records
Fields
cboCostEstimates, committeeReports, constitutionalAuthorityStatementText, notes
PORKER copy refreshed
October 26, 2026 (nightly)

Read this first. These are counts of records Congress.gov lists. Many bills never get a CBO estimate or a report, so a zero is not a mark against a member. We never show this as a score.

Open full dossier →

Data as of Oct 26, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.