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The Congressional Black Caucus (CBC) is facing one of its biggest tests in years, as Republican-led redistricting efforts across the South threaten to shrink Black representation in Congress.

ABC News reports that nearly a third of the caucus — 19 of its 62 members — could be at risk through the 2028 election cycle. This is after a recent Supreme Court ruling weakened part of the Voting Rights Act and opened the door to new maps.

That fight is already playing out in states like Louisiana, Alabama, South Carolina, and Texas, where lawmakers are moving fast to redraw districts in ways Republicans say follow the law but Democrats say could split Black communities and erase hard-won gains.

"We are witnessing a return to Jim Crow,” said NAACP President Derrick Johnson in a statement to ABC News. “And anybody who is alarmed by these developments—as everybody should be—better be making a plan to vote in November to put an end to this madness while we still can."

The stakes are especially high because the CBC has become one of the most visible blocs in Washington, pushing back on voting restrictions, policing changes, and cuts to federal programs. If some of its members lose seats, Black political power in the House could take a serious hit.

CBC leaders are already coordinating with outside legal groups to challenge the maps in court, but the broader political fight may not be settled until voters head to the polls.

For many lawmakers, the message is a blunt strategy: the redistricting wars are no longer just boundary lines on a map. They are about who gets heard in Congress and who gets drawn out.