Mentor is a city in Polk County, Minnesota, United States. It is part of the Grand Forks-ND-MN Metropolitan Statistical Area. The population was 104 at the 2020 census. The city is near Maple Lake.
History
A post office called Mentor has been in operation since 1882. The city was named after Mentor, Ohio.
Geography
According to the United States Census Bureau, the city has an area of , all land.
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|footnote=U.S. Decennial Census<br>2020 Census