Harris County voters are facing whiplash at the ballot box, with seven elections since November — and it's not over.

Why it matters: Most recent elections are struggling to draw even 10% of eligible voters, records show.

The big picture: The frequent elections are a result of Houston's political dynamic where one politician seeks higher office and causes a domino effect in their wake, University of Houston political expert Brandon Rottinghaus tells Axios.

What they're saying: "Houston politics functions like a political ladder," Rottinghaus tells Axios.

• "They're frequently running for different offices," he added. "Whenever someone moves up, there's this chain reaction of vacancies."

Case in point: Several recent elections can be traced to the 2023 race for Houston mayor, Rottinghaus says.

• Democratic titans Sheila Jackson Lee and John Whitmire's mayoral bids opened two of Houston's historically powerful districts that drew crowded fields and caused a "cascade of new openings" that's reverberating at the ballot box today, Rottinghaus says. Whitmire ultimately won.

What happened: Jackson Lee was the longtime representative for Houston's 18th Congressional District, and Whitmire had spent nearly 40 years representing Houston's state Senate District 15.

• Former Houston Mayor Sylvester Turner won the next election to the 18th District in November 2024 and served until his death three months into his term in March 2025.
• Christian Menefee, who at the time was Harris County attorney, won a special election to finish Turner's term the following February and is on the ballot again for the May 26 Democratic runoff against U.S. Rep. Al Green.
• Molly Cook, a community organizer, won a special election in 2024 to replace Whitmire in the Texas Senate.

Flashback: Houston District C City Council member Abbie Kamin announced in December her intentions to replace Menefee as county attorney.

• Months before, At-Large City Council member Letitia Plummer announced her candidacy for Harris County judge.
• Both bids meant they'd eventually need to vacate their seats, so the city held two additional special elections to replace them.

What's next: After the May 26 primary runoffs, all signs point to voters getting a reprieve from elections until November.

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While Whitmire and Controller Chris Hollins argue two sides of City Hall's $7 billion budget proposal in the coming weeks, each may be quietly plotting ambitions for the next mayor's race, political experts tell Axios.

Why it matters: Hollins could derail the delicate budget process at the time the city faces a $174 million shortfall and struggles to reliably deliver basic services.

Catch up quick: Each spring, the mayor's job is to propose the city's annual budget that must be approved by City Council to fund services like police, parks and libraries.

• The controller is Houston's elected financial watchdog and is tasked with verifying the city has enough money to pay for the budget.

What they're saying: "Naturally, there's going to be tension between the two during budget season," Rottinghaus says, citing a "hellish" combination of factors that strain the city's finances.

Driving the news: The feud between the two goes deeper than dollars and cents, he says.

• "You've got these two running against each other effectively for mayor," Rottinghaus says. "Both men have an eye toward future ambitions."

In a statement to Axios, Whitmire's campaign says his strategy is to focus on his duties as mayor and that the "re-election will take care of itself."

• "While others attempt to politicize the budget, the mayor remains laser-focused on delivering another balanced budget without raising taxes," the campaign said.

Hollins' campaign did not respond to questions about his political ambitions and hasn't publicly stated what office he'll seek next year.

Go deeper

Former Houston Mayor Annise Parker is leading former City Council member Letitia Plummer in the Democratic primary runoff for Harris County judge, per a new University of Houston Hobby School of Public Affairs survey.

Why it matters: The runoff will determine who will be the Democratic nominee for judge in the November election for a term starting in 2027.

• The survey was fielded May 5-9 with 1,200 likely voters responding. It has a margin of error of +/- 2.83%.

By the numbers: Parker (54%) leads Plummer (36%) among survey respondents when asked who they'll cast their ballot for in the primary.

• Another 10% were undecided.

Zoom out: The winner will face the winner of the Republican runoff between former Harris County treasurer Orlando Sanchez and business owner Warren Howell.

⚖️ Texas Attorney General Ken Paxton says Texas Children's Hospital must create a "detransition clinic" for patients "who were subjected to 'gender-transition' procedures" under a legal settlement with the state. (Axios Houston)

🏛️ The Texas Supreme Court declined to remove state Rep. Gene Wu (D-Houston) from office after he led Democrats to break quorum in 2025 over congressional redistricting. (Houston Public Media)

🏚️ Houston leaders will start using $30 million in flood mitigation funds to demolish abandoned and decrepit buildings in the city's floodplains. (ABC13)

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🗣️ Head to Caboose Bar and Grill near Jersey Village for a night of bingo with cash prizes.

• 7pm tonight.

☕️ Check out the Cups For Y'all exhibit of contemporary cups, ahead of the World Cup, at the Houston Center for Contemporary Craft.

• Free. 10am-5pm tomorrow.

🍿 Watch "A Brief Affair" ("Breve storia d'amore") at the Italian Cultural and Community Center's film series.

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🦻 Listen to a talk with interdisciplinary artist Sam Durant on his latest exhibition at the Menil Collection.

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🥚 Or head to Houston Flying Saucer for "I Think You Should Leave" trivia.

• 7:30pm Thursday.