South Carolina Redistricting Proposal Passes House, Heads To State Senate

South Carolina’s congressional map could be changing again after the state House passed a redistricting proposal early Wednesday morning.

The South Carolina House of Representatives approved the bill after a lengthy and contentious debate over new congressional district lines. The proposal, known as H.5683, now heads to the South Carolina State Senate.

The plan would redraw South Carolina’s U.S. House districts ahead of the 2026 midterm elections. At the center of the debate is the state’s only Democratic-held congressional seat, currently represented by longtime Democratic Congressman Jim Clyburn.

What The Proposal Would Do

The redistricting plan would reshape congressional district lines in a way that could give Republicans a better chance at winning all seven of South Carolina’s U.S. House seats.

Republicans currently hold six of the state’s seven congressional districts. The proposal is part of a broader national redistricting push in multiple states, as both parties look for advantages ahead of the midterm elections. The Associated Press reported that the South Carolina proposal was urged on by President Donald Trump and is aimed at giving Republicans a shot at picking up an additional seat.

Supporters of the proposal argue the new map is a political effort to strengthen Republican representation. During debate, Republican Rep. Luke Rankin said it was an opportunity to “turn South Carolina completely red” and send seven Republicans to Washington.

Democrats strongly oppose the proposal, arguing that the map would unfairly divide communities and weaken representation, especially in areas connected to Clyburn’s district.

A Heated Debate In The House

The House debate stretched late into the night and into early Wednesday morning.

Democrats filed more than 500 amendments in an attempt to alter or slow the redistricting effort, according to WIS. None of those amendments passed. The House also advanced a rule limiting lawmakers to one amendment to the proposed map, drawing sharp criticism from Democrats.

According to the Associated Press, four Republicans voted against the bill after a 14-hour session that included reading the bill and Census data tied to the proposed maps.

What Happens Next

The bill now moves to the South Carolina Senate, where its future may be less certain.

The Associated Press reported that some Senate Republicans have already questioned whether redistricting could backfire politically by making some districts more competitive for Democrats instead of locking down a 7–0 Republican map.

Timing is also a major issue.

South Carolina’s election calendar is already moving. Election officials have warned that the state is running close to the deadline for making changes. WIS reported that nearly 11,000 absentee ballots had already been sent out, with more than 1,700 returned, while officials noted that candidates would need to file by June 5 to hold congressional primaries on August 18 if new maps are approved.

If the proposal becomes law, South Carolina’s U.S. House primaries could be delayed until later in the summer, and the state could face the cost of another statewide election. The Associated Press reported that the change could cost at least $3 million and would likely face lawsuits.

Why This Matters

This is not just a State House fight.

Redistricting determines which voters are grouped together in congressional districts, which can shape who has political power and which party has the advantage in elections.

In South Carolina, this proposal could directly affect the future of the state’s only Democratic-held congressional seat. It also places South Carolina inside a larger national redistricting battle unfolding across several states ahead of the 2026 midterms. Reuters reported that Republican-led Southern states have been moving to redraw congressional maps following a recent U.S. Supreme Court decision that weakened protections for districts with significant minority populations.

Opponents, including Democrats and civil rights advocates, argue these efforts could dilute Black voting power. Republicans have argued the maps are being drawn for partisan advantage rather than racial reasons.

The Bottom Line

The South Carolina House has passed a redistricting proposal that could reshape the state’s congressional map, target the state’s lone Democratic-held U.S. House seat, delay the congressional primary calendar, and trigger legal challenges.

Now, all eyes move to the South Carolina Senate.