Town guide

Mentor, Minnesota

Mentor is a city in Polk County, Minnesota, home to about 131 people across 1.9 square miles. It has no ZIP code of its own: it’s part of 56736.

Homes sold for a median of $337 per square foot in the three months ending August 2026, a buyer’s market.

Population13169 per sq mi
Median home value$80,700Census, as estimated by owners
Price per sq ft$337Sold homes, 3 months to August 2026
Sold over asking33%Latest 3 months

ZIP codes in Mentor

1 ZIP code, 1 shared with neighboring towns

Each card is that ZIP code’s whole market, including any part outside Mentor. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

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We’re writing up Mentor’s story and what everyday life there is like, for people thinking about moving in.

  • History
  • What it’s like to live there
  • Getting around
  • Things to do

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Around Mentor

Distances

Nearest major airportMinneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)238 miles away
Closer regional airportThief River Falls Regional Airport (TVF)28 miles away
Nearest city of 250,000+Minneapolis, MN232 miles away
Nearest city of 1 million+Chicago, IL579 miles away

Straight-line distances from the center of Mentor; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Mentor

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Mentor had 104 residents in the 2020 census, down 31% since 2000.

It’s the 2183rd largest of 2,727 towns in Minnesota by population.

Polk County grew from 35,429 residents in 1900 to 31,192 in 2020.

Mentor population by census2000: 150, 2010: 153, 2020: 104150200015320101042020

Polk County, 1900–2020

Polk County population, 1900 to 20201900: 35,429, 1910: 36,001, 1920: 37,090, 1930: 36,019, 1940: 37,734, 1950: 35,900, 1960: 36,182, 1970: 34,435, 1980: 34,844, 1990: 32,498, 2000: 31,369, 2010: 31,600, 2020: 31,19235K’00’1037K’20’3038K’40’5036K’60’7035K’80’9031K’00’1031K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 79°F in summer, and winter lows average -3°F. About 24.5 inches of rain and melted snow fall in a typical year, with about 50 inches of snow.

Average high and low temperature and precipitation by month near MentorJan: high 15°F, low -3°F, 0.6 in; Feb: high 20°F, low 0°F, 0.6 in; Mar: high 34°F, low 15°F, 0.9 in; Apr: high 51°F, low 30°F, 1.3 in; May: high 66°F, low 43°F, 2.9 in; Jun: high 75°F, low 55°F, 4.5 in; Jul: high 79°F, low 58°F, 3.6 in; Aug: high 78°F, low 56°F, 3.5 in; Sep: high 69°F, low 47°F, 2.8 in; Oct: high 53°F, low 34°F, 2.1 in; Nov: high 35°F, low 19°F, 0.9 in; Dec: high 21°F, low 6°F, 0.8 in15°-3°Jan0.620°0°Feb0.634°15°Mar0.951°30°Apr1.366°43°May2.975°55°Jun4.579°58°Jul3.678°56°Aug3.569°47°Sep2.853°34°Oct2.135°19°Nov0.921°6°Dec0.8Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Red Lake Falls, MN weather station (16 miles away).

Jobs in Polk County

8,944 jobs at 733 businesses in Polk County. The biggest industries by employees:

Largest industries in Polk CountyHealth care and social assistance: 2,235 jobs; Manufacturing: 1,648 jobs; Retail trade: 1,299 jobs; Hotels and restaurants: 927 jobs; Transportation and warehousing: 497 jobs; Construction: 468 jobs; Other services: 443 jobs; Wholesale trade: 359 jobsHealth care and social assistance 25% Manufacturing 18% Retail trade 15% Hotels and restaurants 10% Transportation and warehousing 6% Construction 5% Other services 5% Wholesale trade 4%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

Nearest hospitals

  • Essentia Health FosstonCritical access hospital · emergency room · Fosston21.2 miles
  • Riverview HospitalCritical access hospital · emergency room · Crookston22.0 miles
  • Essentia Health AdaCritical access hospital · emergency room · Ada29.8 miles

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.

Places in and around Mentor

Parks (1 nearby)

  • Polk County Park · 33 acres0.1 mi

Grocery stores

  • Toupin's Grocery3.3 mi

Counts are within about 1 mile of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

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Where Mentor is

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Towns near Mentor

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Shares ZIP codes with Grove Park-Tilden, Godfrey, Woodside Township (Polk County) and Terrebonne.

Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.