Florida poll: 28 percent of GOP early voters picked Clinton
© Greg Nash

More than a quarter of Republicans who have already voted in Florida cast their ballots for Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonHow Democrats can defy the odds in 2022 Close the avenues of foreign meddling Pelosi planned on retiring until Trump won election: report MORE, according to a new poll. 

A TargetSmart/William & Mary poll released Tuesday showed 28 percent of early Florida voters picked Clinton over GOP nominee Donald TrumpDonald TrumpTrump: McConnell 'helpless' to stop Biden from packing court Romney on NRSC awarding Trump: Not 'my preference' McConnell sidesteps Trump calling him 'dumb son of a b----' MORE. The poll, which will be released in full Wednesday, was shared early with MSNBC. 

The poll also showed Clinton ahead of Trump overall, 48 to 40 percent, with a larger lead, 55 to 37 percent, among those who said they already voted. 

In the Florida Senate race, the poll showed incumbent GOP Marco RubioMarco Antonio RubioNikki Haley says if Trump runs for president in 2024 then she won't Trump's early endorsements reveal GOP rift The Memo: Biden's five biggest foreign policy challenges MORE ahead of Rep. Patrick Murphy by 6 points, 49 to 43 percent. 

The poll surveyed 718 people, 311 who said they voted early, through web and phone interviews.