Incumbent Wisconsin Gov. Scott Walker (R) trails his challenger by 7 points in a Reuters poll released Wednesday.

State schools superintendent Tony Evers (D) holds a lead in the poll, with 50 percent of respondents saying they'd back him and 43 percent backing Walker.

Walker was first elected governor of Wisconsin in 2010, and unsuccessfully launched a presidential bid in 2016.

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Trump narrowly defeated Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE in Wisconsin in 2016, becoming the first Republican presidential candidate to win the state since Ronald Reagan in 1984.

The president endorsed Walker in August, but according to a poll from earlier in September he has a negative approval rating among registered voters in the state, with 42 percent approving of his job performance and 54 percent disapproving.

Scott Walker is very special and will have another great win in November. He has done a fantastic job as Governor of Wisconsin and will always have my full support and Endorsement! — Donald J. Trump (@realDonaldTrump) August 15, 2018

The poll surveyed 1,109 likely voters between Sept. 14 and 24. The margin of error is 3 points.