According to Ballotpedia’s battleground poll, Clinton leads Trump:

51% to 37% in Florida
45% to 41% in Iowa
50% to 33% in Michigan
48% to 38% in North Carolina
46% to 37% in Ohio
49% to 35% in Pennsylvania
45% to 38% in Virginia

Her leads held at nearly the same margins when Libertarian Party nominee Gary Johnson was included in the poll. And Clinton led Trump 48% to 37% when all states were factored together. With Johnson included, Clinton led Trump 44% to 34%, with Johnson at 13%.