Poll: O'Rourke 52, Trump 42

The survey released Thursday shows O’Rourke with support from 52 percent of registered voters, compared with Trump’s 42 percent. Two percent of voters said they wouldn’t support either candidate and 4 percent said they had no opinion.

O’Rourke held the widest lead over Trump among other Democratic presidential candidates who were included in the potential matchup.

Sen. Bernie Sanders (I-Vt.) and former Vice President Joe Biden (D) tied for second place behind O’Rourke, with each leading Trump by 6 points.

Sen. Kamala Harris (D-Calif.) followed with a 4-point lead over Trump, while South Bend, Ind., Mayor Pete Buttigieg (D) led the president by 3 points.