Newly minted 2020 Democratic presidential candidate Pete Buttigieg has surged to third in a new national survey, jumping over more established candidates in just one month.

He sits at 9% in the latest Emerson Poll out Monday. That puts him at third, behind Sen. Bernie Sanders, I-Vt., and former Vice President Joe Biden. They are ahead by a wide margin, with Sanders at 29% and Biden at 24%.

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In the same poll a month ago, the South Bend, Ind., mayor was in sixth place, with just 3% of the Democratic vote. He was behind Biden and Sanders, tied in first, then Sen. Kamala Harris of California, former Rep. Beto O’Rourke of Texas, and Sen. Elizabeth Warren of Massachusetts.

What’s more, he was at 0% two months ago.

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In a note, Spencer Kimball, director of Emerson Polling, said “while still early in the nominating process, it looks like Mayor Pete is the candidate capturing voters’ imagination; the numbers had him at 0% in mid-February, 3% in March and now at 9% in April.”

Buttigieg announced his candidacy on Sunday.

[Read more: Buttigieg's husband: America ready for 'authentic,' gay president]