Former Vice President Joe Biden has a 5-point lead over President Trump, according to the final Marquette University Law School Poll before Election Day.
Biden has the support of 48% of likely Wisconsin voters, while 43% back President Trump.
Libertarian candidate Jo Jorgensen was supported by 2%, and 8% gave no choice.
The poll surveyed 806 registered voters in the state.
Biden has held a lead between 4 and 6 points over the president in the poll since May.
The poll also revealed that 80% of Biden supporters expect Biden to win, while 80% of Trump supporters expect Trump to win.
According to the final survey in 2016, the Marquette poll showed a 6-point lead for Hillary Clinton ahead of Trump.