18-34

Biden 44%
Trump 44%
Other 9% https://twitter.com/ryanstruyk/status/1248251800077156353

For context, a late March 2016 Monmouth poll had:

All reg'd voters
Clinton 48%
Trump 38%
Other 2%

18-34
Clinton 53% ⇠ (+23)
Trump 30%
Other 2%

Mid June 2016:

All reg'd voters
Clinton 47%
Trump 40%
Other 5%

18-34
Clinton 54% ⇠ (+20)
Trump 34%
Other 5%

Monmouth from early June 2012:

All reg'd voters
Obama 46%
Romney 42%
Other 5%

18-34
Obama 53% ⇠ (+18)
Romney 35%
Other 6%