Mentor is a city located in Polk County Minnesota. With a 2020 population of 145, it is the 708th largest city in Minnesota and the 17541st largest city in the United States . Mentor is currently declining at a rate of -0.68% annually and its population has decreased by -5.23% since the most recent census, which recorded a population of 153 in 2010. Mentor reached it's highest population of 153 in 2010. Spanning over 2 miles, Mentor has a population density of 77 people per square mile.
The average household income in Mentor is $43,147 with a poverty rate of 10.48%. The median rental costs in recent years comes to $667 per month, and the median house value is $79,500. The median age in Mentor is 31.6 years, 38.3 years for males, and 27 years for females.