On September 17, a Suffolk University/USA Today Poll was released for North Carolina. In the presidential race it shows: Biden 46.2%; Trump 42.8%; Jorgensen 4.8%; other .6%. The other candidates on the ballot are Howie Hawkins and Don Blankenship. See this story.
The minor party for for U.S. Senate is even higher. The Constitution and Libertarian Parties have nominees in that race.