Go see for yourself. Despite Google being very anti Trump their data is still worth taking a look at using their Google Trends site. Every election going back to 2004 Bush vs Kerry you can see who the winner is going to be simply by who is trending more with "vote candidate" vs the other.
Trump vs Biden https://trends.google.com/trends/explore?geo=US&q=vote%20biden,vote%20trump
Trump vs Hillary https://trends.google.com/trends/explore?date=2016-09-29%202016-11-04&geo=US&q=vote%20hillary,vote%20trump
Obama vs Romney https://trends.google.com/trends/explore?date=2012-09-29%202012-11-04&geo=US&q=vote%20obama,vote%20romney
Obama vs Mccain https://trends.google.com/trends/explore?date=2008-09-29%202008-11-04&geo=US&q=vote%20obama,vote%20mccain
Bush vs Kerry https://trends.google.com/trends/explore?date=2004-09-29%202004-11-04&geo=US&q=vote%20kerry,vote%20bush
