Poll: Senate race between Cruz, O'Rourke a dead heat

The Texas Senate race between Sen. Ted CruzRafael (Ted) Edward CruzInviting Kim Jong Un to Washington Trump endorses Cornyn for reelection as O'Rourke mulls challenge O’Rourke not ruling out being vice presidential candidate MORE (R-Texas) and Rep. Beto O'RourkeRobert (Beto) Francis O'RourkeTrump endorses Cornyn for reelection as O'Rourke mulls challenge The Hill's 12:30 Report: Trump escalates fight with NY Times Sanders on Trump insult: Crazy that president 'is a racist, a sexist, a xenophobe and a fraud' MORE (D-Texas) is neck and neck, according to a new poll released Wednesday.

The 2018 Texas Lyceum Poll showed Cruz leading O'Rourke by a hair — 41 percent to 39 percent, respectively, among likely voters. That's well within the survey's margin of error of 4.67 percentage points of 441 likely voters. 

That's a particularly tight margin for Texas, which has not elected a Democrat to the Senate in three decades.

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The findings come weeks after O'Rourke, a three-term congressman, reported a staggering $10.4 million fundraising haul in the second quarter of the 2018 cycle, bringing his cash on hand to just under $14 million.

That's far more than the incumbent Cruz, who raised about $4.1 million in the second quarter and has about $9.3 million in cash on hand, Federal Election Commission filings show.

Texas has normally been a reliably red state, voting for President TrumpDonald John TrumpSchiff urges GOP colleagues to share private concerns about Trump publicly US-China trade talks draw criticism for lack of women in pictures Overnight Defense: Trump to leave 200 troops in Syria | Trump, Kim plan one-on-one meeting | Pentagon asks DHS to justify moving funds for border wall MORE over his Democratic challenger Hillary ClintonHillary Diane Rodham ClintonHillicon Valley: Trump pushes to speed up 5G rollout | Judge hits Roger Stone with full gag order | Google ends forced arbitration | Advertisers leave YouTube after report on pedophile ring 4 ways Hillary looms over the 2020 race Hillary Clinton met with Biden, Klobuchar to talk 2020: report MORE by 9 points in 2016.

Chris Wilson, a former pollster for Cruz's 2016 presidential campaign, called the poll's findings into question on Wednesday, saying that the partisan breakdown for the survey “looks nothing like Texas voters.”

While the poll shows a close race for the Senate, Republicans vying for other statewide offices fared much better.

Gov. Greg Abbott, who is seeking a second term in office, is leading his Democratic challenger Lupe Valdez 44 percent to 25 percent, respectively, among registered voters. And incumbent Lt. Gov. Dan Patrick is ahead of Democrat Mike Collier 32 percent to 23 percent among registered voters.

Among likely voters in the poll, their margins increase even more: 16 points for Abbott and 10 points for Patrick.

The Texas Lyceum poll surveyed 806 registered voters across Texas from July 9-25. That includes a subset of 441 likely voters. It has a margin of error of plus or minus 3.45 percentage points for registered voters and 4.67 for likely voters.