SC-1 Competitive — 5 Safe R + Clyburn Safe D

South Carolina House Races 2026: Congressional Districts

Nancy Mace (SC-1) narrowly won 2020/2022/2024 · Charleston suburbs trending D · Clyburn (SC-6) safe D

7
Total House seats
5R / 2D
Current delegation
1
Competitive district
R+13
State presidential lean
South Carolina House races 2026

South Carolina House 2026 — Key Numbers

7
Total House seats
5R + 2D
5R
Republican seats
SC-1 Mace competitive
2D
Democratic seats
Clyburn (SC-6) + Wilson-Raybould area
Lean R
SC-1 Mace rating
Won 2024 by ~5 pts

Competitive Districts — SC-1 Race Profile

DistrictIncumbentParty2024 MarginCook 2026Lean
SC-1 Nancy Mace R +5.0 pts Lean R Lean R

South Carolina House 2026 — Analysis

Overview

Charleston’s Shifting Politics

South Carolina has been a reliably Republican state for decades, but SC-1’s Charleston area has been changing. The city of Charleston and its suburbs have experienced significant population growth driven by in-migration from Northeast and Midwest states, bringing more Democratic-leaning professionals into a historically conservative area. The district covers the Sea Islands, the historic downtown peninsula, and the booming suburban communities of Mount Pleasant, Summerville, and Goose Creek. This demographic shift is the structural reason SC-1 has been competitive for multiple cycles despite the state’s strong overall Republican lean.

Key Races

Mace: A High-Profile but Vulnerable Incumbent

Nancy Mace has been one of the most nationally visible House members despite representing a relatively small district. Her public statements on reproductive rights, her shifting relationship with Donald Trump, and her high media profile have made her both a fundraising juggernaut and a target. She won SC-1 by its largest margin yet in 2024 (~5 pts), which has moved her off the most competitive tier, but the district’s demographic trajectory means she will continue to face serious Democratic challengers. Democrats recruit heavily in SC-1 every cycle and have invested significant resources in the Charleston area.

Issues Driving Races

Abortion, Housing, Tourism, and Clyburn’s Legacy

In SC-1, abortion polling are a top Democratic mobilizing issue in the post-Dobbs era. South Carolina has implemented significant restrictions and the state’s proximity to Georgia (which has stricter laws) makes the issue particularly salient. Housing affordability in the exploding Charleston market is a cross-partisan issue that affects young families and working-class residents. For the broader delegation, James Clyburn’s legacy — he is the senior-most Black member of Congress and was instrumental in Joe Biden’s 2020 primary revival — shapes Democratic politics in the state. His eventual retirement will create a consequential open seat race in SC-6.

South Carolina Full House Delegation 2026

DistrictMemberPartySinceNotes
SC-1 Nancy Mace R 2021 Charleston/Lowcountry; national profile; Lean R
SC-2 Joe Wilson R 2001 Lexington/Aiken area; “You lie!” moment; Safe R
SC-3 Jeff Duncan R 2011 Western SC Upstate; Safe R
SC-4 William Timmons R 2019 Greenville/Spartanburg; Safe R
SC-5 Ralph Norman R 2017 York/Chesterfield area; Freedom Caucus; Safe R
SC-6 James Clyburn D 1993 Columbia/Florence; majority-Black; Asst. Minority Leader; Safe D
SC-7 Russell Fry R 2023 Myrtle Beach/Grand Strand; replaced Mulvaney-era seat; Safe R
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Generic Ballot Democrats48.1% Republicans41.1% D+7 Trump Approval Approve39% Disapprove58% Senate D47 R53 House D213 R222 Generic Ballot Tracker Trump Approval Senate 2026 House 2026 Latest Analysis