Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE is dominating Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE in Florida’s largest county, a new poll shows.

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Clinton has 58 percent support in Miami-Dade County to Trump's 28 percent, according to the WLRN/Univision 23 survey released Wednesday.

Clinton's edge outpaces President Obama's performance in the county in 2012. Obama won Miami-Dade by 24 points en route to taking the important swing state by less than 1 percentage point.

“[Clinton’s lead] is the most that any Democrat has ever gotten, dating back to the 2000 election,” said Fernand Amandi, the Democratic pollster whose Bendixen & Amandi International conducted the poll.

The poll found that the county harshly disapproves of Trump, the GOP presidential nominee.

Seventy-one percent view Trump unfavorably, including 64 percent who say “very” unfavorably. Twenty-seven percent view him favorably.

In contrast, 62 percent see Clinton favorably to 38 percent unfavorable.

“We’ve never seen numbers like these before,” Amandi said. "Ever, ever, ever, ever.”

WLRN/Univision 23 conducted its poll of 600 likely voters via interviews in English and Spanish from Oct. 15 to 17. It has a margin of error of 4 percentage points.

Clinton leads Trump by about 4 points in Florida, according to a RealClearPolitics average of polls.