These charts reflect the results of the new Quinnipiac University Poll of Ohio voters. It was done between July 17th and 22nd of 1,431 voters, with a margin of error of 3.2 points. The chart below only reflects the opinion of 556 Democrats and Leaners, and has a margin of error of 5.1 points.
The top chart shows that Joe Biden is the candidate that could most easily beat Trump in Ohio. He currently has an 8 point advantage over him. The other five Democrats they queried about are in a statistical tie with Trump in Ohio.
The bottom chart shows Biden with a large lead over his Democratic rivals -- more than doubling the support of those closest to him (Harris, Sanders, and Warren).
