The Texas Senate approved a mid-decade congressional redistricting plan on party lines, 18-11, which now heads to Gov. Greg Abbott’s desk for his signature. Credit: Getty Images

The Texas Senate approved a mid-decade congressional redistricting plan after a tense, late-night debate. The measure now goes to Gov. Greg Abbott, who has said he will sign it “swiftly.”

“The One Big Beautiful Map has passed the Senate and is on its way to my desk, where it will be swiftly signed into law,” Abbott said. “I promised we would get this done, and delivered on that promise. I thank Lieutenant Governor Dan Patrick for leading the passage in the Senate of a bill that ensures our maps reflect Texans’ Voting preferences.”

Republicans framed the map as legal, compact and designed to solidify their advantage, while Democrats condemned it as an aggressive gerrymander that dilutes the voting power of communities of color.

What happened on the Senate floor?

The map cleared the Senate on a party-line vote, 18-11, just after midnight, following hours of wrangling on the floor. A planned filibuster (a prolonged speech that delays progress in a legislative assembly) by Sen. Carol Alvarado, D-Houston, never materialized, as GOP leaders used a procedural move to cut off debate, citing a fundraising email tied to the filibuster. Protesters in the gallery shouted as the vote came to a close.

“They [Republican lawmakers] created an excuse to shut it down,” Alvarado said. “If I was the issue, there were a few other senators ready and willing to step in and filibuster, but that was shut down as well. What we have seen in this redistricting process has been maneuvers and mechanisms to shut down people’s voices. This new map that we were voting on today had some very significant changes, especially in Houston, in my East End community.”

 

Republicans argue the mid-cycle redraw is both lawful and justified by hardball politics elsewhere.

Sen. Phil King, R-Weatherford, who carried the bill, said the plan meets goals of “legality,” “improved compactness,” and “political performance for Republicans,” adding he did not consider racial population data while shepherding the map. The party’s stated aim is to lock in and potentially expand a narrow U.S. House majority in 2026.

“Before I considered this map, I asked that it be reviewed by counsel, in which I had a high level of confidence, to make sure that it was legal in all regards,” King said. “I was assured that it was, and that of course, included all aspects of compliance with the Voting Rights Act…The purpose was to draw a map that was legal under all applicable law that performed better for Republicans and that created or improved compactness in some districts.”

Democrats counter that the plan is a textbook “pack and crack.” Within hours of the Senate vote, a 67-page federal complaint on behalf of 13 Texans, filed against Abbott and Secretary of State Jane Nelson, alleged the new lines are racially discriminatory and unconstitutional because they redraw districts mid-decade using the same 2020 census data.

State Sen. Borris Miles (D-TX) spoke during a Senate Special Committee on Congressional Redistricting public testimony hearing in Austin, Texas. Credit: Getty Images

State Sen. Borris Miles argued on the floor that Houston’s Black population, about 35% of Texas’ Black residents, warrants more, not fewer opportunity districts. He said the map “packs” Congressional District 18 and “disintegrates” District 9, effectively reducing Black opportunity seats in Houston (and statewide) from two to one.

“You have the audacity to act as if you’ve done us a favor,” Miles said. “The population [of Black voters] has grown, but you’ve gone backwards with this map…Everyone in this chamber knows that Black folks in Texas overwhelmingly vote democratic. That’s not a secret to anyone. When you weaken democracy, you take the congressional seats away from the people they belong to and hand them over as property. It [the map]  is a slap in the face of Black voters, Hispanic voters and every voter who calls Texas home.”

While partisan gerrymandering claims are largely off-limits in federal court after the U.S. Supreme Court’s 2019 Rucho decision, racial-discrimination claims remain justiciable, the key legal battleground for opponents who say the Texas plan reduces opportunities for Black and Latino voters to elect candidates of their choice.

Texas House Democratic Caucus Chair Gene Wu debated the redistricting bill, House Bill 4, during a session in the State Capitol in Austin, Texas. Credit: Getty Images

The vote capped a tumultuous stretch in the Legislature. House Democrats fled the state earlier in the month to break quorum and stall the bill, returning only after Abbott called another special session and GOP leaders escalated pressure tactics. The House then passed the map along party lines, setting up the Senate’s final vote.

What the map does and why Houston matters

Texas Republicans say the plan could net as many as five additional GOP-leaning seats by strengthening suburban and exurban districts and reconfiguring urban seats in Houston, Austin and Dallas-Fort Worth. President Donald Trump went on record saying that he expected to receive five new seats in Texas after the 2026 midterm elections.

In Harris County, the redraw impacts a region where decades of organizing have built durable Black and Latino political power. Houston’s 18th Congressional District, historically a hub of Black representation, highlights concerns that shifting boundaries could further destabilize a seat already vacant due to recent deaths, while concentrating Democratic voters there to aid neighboring districts.

Statewide, voting-rights groups warn that the new lines and immediate litigation could confuse voters and dampen turnout in low-income neighborhoods that already face barriers to participation. Public comments submitted to lawmakers in late July captured that anxiety, with residents urging legislators to slow down and preserve “communities of interest.”

California Gov. Gavin Newsom holds up a signed bill related to redrawing the state’s congressional maps in Sacramento, California. In a move to counter Texas House Republicans’ plan to redraw the state’s congressional maps ahead of the 2026 midterm elections, California Democrats took up a proposed constitutional amendment to temporarily redraw their own congressional maps, potentially creating five additional U.S. House seats for their party. Credit: Getty Images

The fight does not end at the Texas line. The state’s move has intensified a national tit-for-tat: Democrats in California advanced their own bid to add seats, while Republicans in other states are weighing new redraws.

I cover education, housing, and politics in Houston for the Houston Defender Network as a Report for America corps member. I graduated with a master of science in journalism from the University of Southern...