South Carolina 1

Nancy Mace (R) · retiring · Cook PVI R+6 · last result 58.3% R

Nancy Mace

Wikipedia bio

Nancy Ruth Mace is an American politician serving as the U.S. representative for South Carolina's 1st congressional district since 2021. A member of the Republican Party, she previously served in the South Carolina General Assembly from 2018 to 2020.

Source: Nancy Mace

Polymarket · Jenny Costa Honeycutt (R) · 68¢. The contract price, not a forecast model.

Desk notes

Generated from the sourced figures on this page. Not a separate report.

Nancy Mace (R) is the incumbent, retiring. The ratings consensus is Lean R. Cook’s cell is dated Oct. 16, 2026. 10 forecaster cells are stored. Polymarket Jenny Costa Honeycutt 68¢ (mid). The 2024 presidential margin in this state was R+17.9. The 2020 presidential margin in this state was R+11.7.

House polling is not ingested in v1. This page is the ratings row only.

Polling average

No polling average for this race. That is an empty state, not a tie.

Ratings

Cook Political ReportOct. 16, 2026Lean R
Sabato's Crystal BallOct. 8, 2026Likely R
Inside ElectionsOct. 15, 2026Lean R
Decision Desk HQOct. 17, 2026Lean R
RealClearPoliticsOct. 17, 2026Lean R
Silver BulletinSep. 10, 2026Likely R
FiftyPlusOneOct. 17, 2026Lean R
The EconomistOct. 19, 2026Tossup
Fox NewsOct. 13, 2026Likely R
Split TicketOct. 17, 2026Lean R

Quoted from the Wikipedia predictions table, not scraped from the raters.

Markets

Raw yes-prices. Not vig-adjusted. Contracts under 1¢ are omitted.

PolymarketPolymarketOct 19, 9:38 PM EDT

Jenny Costa Honeycutt (R)68¢mid · spread 1¢
Nancy Lacore (D)33¢mid · spread 1¢

PredictIt is off. Its terms limit the feed to non-commercial use.

Price history

through Oct 19, 9:01 PM EDT

WindowSep 19, 10:00 PM EDT

PolymarketJenny Costa Honeycutt 68¢ at Oct 19, 9:01 PM EDT· Polymarket CLOB prices-history · 690 hours

PolymarketNancy Lacore 33¢ at Oct 19, 9:01 PM EDT· hourly pull · 6 hours

Marker Oct 15, 8:00 PM EDT · Rating dated Oct. 16, 2026

Marker Oct 14, 8:00 PM EDT · Rating dated Oct. 15, 2026

Marker Oct 7, 8:00 PM EDT · Rating dated Oct. 8, 2026

Marker Oct 18, 8:00 PM EDT · Rating dated Oct. 19, 2026

Marker Oct 16, 8:00 PM EDT · Rating dated Oct. 17, 2026

Marker Oct 12, 8:00 PM EDT · Rating dated Oct. 13, 2026

Scale is fixed at 0–100¢. Hourly closes. A dashed line is a rating date or a poll end date stored on this race. Times are US Eastern.

Money

No FEC snapshot for this race.

Recent polls

No individual polls in this snapshot.

What changed

No move recorded since the baseline snapshot.

Results

Official results are not being treated as returns yet. Election Day is November 3, 2026.

Results appear here once official returns start on election night, November 3, 2026.

Updated Oct 19, 9:23 PM EDT · snapshot Oct 19, 9:23 PM EDT · mode live