Poll: Nearly half of Sanders's millennial supporters would vote third-party

Nearly half of millennials supporting Democratic presidential candidate Bernie SandersBernard (Bernie) SandersO'Rourke's chances against Trump are ‘overstated,’ says progressive columnist Sanders teases possible 2020 White House bid, tears into 'Wall Street Democrats' Bloomberg ready to spend at least 0M if he runs for White House in 2020 MORE are thinking about backing a third-party candidate, according to data and local discussion on Yik Yak, a location-based social network.

The poll — which asked Sanders supporters whether the Vermont senator's endorsement of presumptive Democratic nominee Hillary ClintonHillary Diane Rodham ClintonTrump's approval holding steady in poll, despite shutdown drama House GOP probe into FBI, DOJ comes to an end Dershowitz: 'It's been harder for me to get on anti-Trump networks' like CNN MORE changed their opinion — found that 48 percent of respondents said they would vote for a third-party option.

Another 39 percent said they would support Clinton and 13 percent said they may support presumptive GOP nominee Donald TrumpDonald John TrumpTrump's approval holding steady in poll, despite shutdown drama Trump huddles with Pence, Mulvaney, Kushner as shutdown hits one week Trump jokingly congratulated acting EPA chief on not acting like Pruitt: report MORE.

The poll surveyed 2,000 self-identified Sanders supporters from July 12-13. The margin of error is 1.8 percent. Yik Yak has a 98 percent millennial user base.

Sanders endorsed Clinton earlier this week after a contentious primary campaign. The Vermont independent said he intends to do everything possible to make sure Clinton is the next president of the United States.

Another Yik Yak survey asked users who they would find most appealing on both Clinton and Trump's tickets.

The survey found that 55 percent of millennials hope that former Speaker Newt Gingrich (R-Ga.) is chosen as Trump's running mate and 27 percent are hoping that New Jersey Chris Christie is picked. Just 8 percent are rooting for Indiana Gov. Mike Pence.

For Clinton's running mate, 74 percent of millennials said they hoped the presumptive Democratic nominee would choose Elizabeth WarrenElizabeth Ann WarrenWells Fargo to pay 5 million in 50-state settlement over sales practices Warren records video message for benefit concert for Tree of Life synagogue Bloomberg ready to spend at least 0M if he runs for White House in 2020 MORE. 

The results were based on a poll of 2,500 millennials on Yik Yak.