Wisconsin might be the most important state in 2020. A new poll has Biden defeating Trump by 9 points there.

If you weren't aware, Wisconsin is likely to be a pretty important state in the 2020 presidential election. And things are looking good for former Vice President Joe Biden there, at least according to a new poll from Marquette University Law School.

The poll, which is described as the "gold standard" barometer for the state, has Biden defeating President Trump by nine points in the general election at the moment, 51 percent to 42 percent. That's a fairly significant number, and some analysts are anticipating one of the smallest electoral college maps in recent history for 2020.

Biden isn't the only Democratic candidate holding a lead over the president, although he does have the largest point differential. Sen. Bernie Sanders (I-Vt.) holds a four-point edge. Meanwhile, Sens. Elizabeth Warren (D-Mass.) and Kamala Harris (D-Calif.) are tied with Trump.

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Nothing is certain with any poll, of course, but these results will likely add another wrinkle to the never-ending "electability" argument. The poll was based on 800 interviews with Wisconsin registered voters over the phone between Aug. 25 and Aug. 29. The margin of error involving the full sample is 3.9 percentage points. See the results here.