Stony Brook is a township in Grant County, Minnesota, home to about 99 people across 33 square miles. It has no ZIP code of its own: it’s part of 56531 and 56590.
Homes sold for a median of $98 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Elbow Lake; part is in Stony Brook
Mostly Wendell; part is in Stony Brook
Each card is that ZIP code’s whole market, including any part outside Stony Brook. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Stony Brook’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Stony Brook well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)158 miles away |
|---|---|
| Closer regional airport | Hector International Airport (FAR)72 miles away |
| Nearest city of 250,000+ | Minneapolis, MN153 miles away |
| Nearest city of 1 million+ | Chicago, IL507 miles away |
Straight-line distances from the center of Stony Brook; 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.
Stony Brook had 132 residents in the 2020 census, down 20% since 2000.
It’s the 2343rd largest of 2,727 towns in Minnesota by population.
Grant County grew from 8,935 residents in 1900 to 6,074 in 2020.
Grant 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 0°F. About 27 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Fergus Falls, MN weather station (18 miles away).
1,533 jobs at 206 businesses in Grant County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
19 doctors and other health care providers list an office in Stony Brook’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 1 |
| Physical and occupational therapists | 4 |
| Chiropractors | 2 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores
Libraries
Museums
Counts are within about 4 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.
Public schools here are run by West Central Area. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| West Central Area N. El.Elbow Lake | Pre-K–4 | 144 | Public | 4.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Elbow Lake, Erdahl, Wendell, Pomme de Terre, Sanford, Lawrence Township (Grant County), Elbow Lake Township, Delaware and North Ottawa.
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.