Green Lake is a township in Kandiyohi County, Minnesota, home to about 1,543 people across 30 square miles. Its ZIP code is 56251, and parts of 56288 are in Green Lake too.
Homes sold for a median of $147 per square foot in the three months ending August 2026.
Mostly Green Lake; also Kandiyohi City and Kandiyohi Township
Mostly Spicer; part is in Green Lake
Each card is that ZIP code’s whole market, including any part outside Green Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)85 miles away |
|---|---|
| Closer regional airport | Saint Cloud Regional Airport (STC)49 miles away |
| Nearest city of 250,000+ | Minneapolis, MN82 miles away |
| Nearest city of 1 million+ | Chicago, IL429 miles away |
Straight-line distances from the center of Green Lake; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Green Lake had 1,637 residents in the 2020 census, up 11% since 2000.
It’s the 414th largest of 2,727 towns in Minnesota by population.
Kandiyohi County grew from 18,416 residents in 1900 to 43,732 in 2020.
Kandiyohi County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 1°F. About 29.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Willmar 5n, MN weather station (7 miles away).
18,568 jobs at 1,416 businesses in Kandiyohi County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (1 nearby)
Grocery stores
Libraries
Museums
Counts are within about 3.5 miles 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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Shares ZIP codes with Spicer, New London Township, Kandiyohi City, Dovre, Kandiyohi Township, Irving, Lake Andrew and Harrison.
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.