Races · house · 2022 · South Carolina

house · open seat

South Carolina house

← Rhode Island house South Carolina house →

Safe RR +23.9 forecast· 0 polls · 0 markets

Model's final pre-election call · win probabilitypoliagg-v34 · final pre-election call
1% (D)
99% Group (R)
Win probability
Democrat1% (D)
The Trafalgar Group99% (R)
Modelpoliagg-v34 · final pre-election call
Chance of winning across many simulations of the race — not projected vote share.
R+15R+5TIEDD+5D+15
Predicted margin
Point estimateR +23.9
80% CIR+35.9 → R+11.9
The model’s central margin (D-positive) with its 80% interval — the shaded band on the scale.
Model's predicted final margin R +23.9 · 80% CI R+35.9 → R+11.9
Actual result Nancy Mace +13.9 · backtest (race already called)

Momentum

—

insufficient data

Tipping-point P

0.0%

Decisive for chamber control

Market · D-side

—

Cross-platform consensus

News articles · 30d

—

no recent coverage

Where this race stands

Verified

Lean R · model 99% R

No recent polls or markets for this race. PVI baseline (R+6) suggests Lean R.

The poliagg-v34 ensemble forecasts R+23.9 with an 80% CI ranging from R+35.9 (10th pctile) to R+11.9 (90th pctile), giving R a 99% chance of winning.

CITATIONS · lean-r

Forecast · poliagg-v34

Predicted final margin

R +23.9

80% CI: R +35.9 → R +11.9 · win prob 1%

R+45R+23TIEDD+23D+45

Quality · inputs

Data quality · medium

Polls used	0
Days to election	passed
Actual result	Nancy Mace +13.9
Residual σ	6.00pt
Generated	7/1/2026

Endorsements · 0 total

Source · Wikipedia · 1 candidate with no endorsements yet

RThe Trafalgar Group0 endorsers

no endorsers yet

No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Editorial ratings · 6 raters

Cook · Sabato · Inside Elections · 538 · DDHQ et al.

Likely R1

Safe R5

The Cook Political Report

Safe R

Jan 26

DDHQ

Safe R

Jul 19

The Economist

Likely R

Oct 31

538

Safe R

Jun 29

Inside Elections

Safe R

Mar 9

Sabato's Crystal Ball

Safe R

Feb 1

Demographic crosstabs

age · education · race · gender

No demographic crosstabs published for this race yet. Most pollsters release only topline numbers; subgroup breakdowns (age, education, race, gender) appear here when a pollster publishes them.

Rating timeline

Jun 22, 2026Safe Rmodel

May 11, 2026Likely Rmodel

Verification trail

Polls verified0 / 0deterministic

Polls flagged—none

Markets ingested0 platformsnone listed

FEC filings—no filings yet

Endorsements—nothing to sync

News coverage< 5 articlesGoogle News

Method · bounds + percentage totals + date-order checks