MILWAUKEE — A new Marquette Law School Poll found that in a presidential matchup between President Joe Biden and former president Donald Trump, registered Wisconsin voters were split, with 49% of survey respondents supporting Biden and 49% supporting Trump.

When narrowed to a group of likely voters, 50% of respondents supported Trump and 49% supported Biden.

Among registered voters, 12% were undecided. 

Among likely voters, 10% were undecided.

For the survey, initially undecided voters were then asked to choose a candidate. 

When asked to choose between Biden and GOP candidate Nikki Haley, Haley came out on top — 57% of respondents said they would support Haley, while 41% expressed support for Biden.

When narrowed to a group of likely voters, 57% of respondents supported Haley and 42% supported Biden.

The survey ran from Jan. 24 to 31 and holds a margin of error of +/- 4.2 percentage points. A total of 930 registered Wisconsin voters were interviewed as part of the survey.

For additional poll results, click here.