North Carolina has
5,160,000 registered voters and 5,300,000 have been cast

Wisconsin has 3,129,000 registered voters, so far there's been 3,239,920 votes cast. 

Michigan has 5,400,000 registered voters and 5,100,000 have been counted so far.

Virginia has
4,159,000 registered voters and 4,200,000 have been counted

Georgia 4,800,000 registered voters and 4,700,000 votes cast.

[link to worldpopulationreview.com (secure)]

link to registered voters by state.

Numbers have been rounded, and votes cast was current vote count from yahoo.

So over 100% voter turnout as of now in three states and by the time all votes counted in Georgia and Michigan will be at or over 100%