Although no other candidate has received double-digit support, 5 percent of likely caucus leaders prefer Sen. Amy Klobuchar (D-Minn.), While 3 percent prefer Sen. Kamala Harris (D-California), billionaire activist Tom Steyer and technology entrepreneur Andrew Yan. The rest of the Democratic package received 2 percent support or less.
Buttigieg has seen improved performances in several recent Iowa polls, climbing into the highest levels of White House and jockey contestants among Biden, Sanders and Warren three months after the first nomination contest.
Ranked third with 13 percent support in a survey of Suffolk University / USA TODAY poll published in October ̵
Buttigieg's appearance in Tuesday's poll represents a 14-point gain in Iowa after Monmouth's last nationwide poll in August, when it was 8 percent.
A poll by the University of Monmouth was conducted on November 7-11, with 451 likely Democrats living in MPs. The margin of error of the sample is plus or minus 4.6 percentage points.