Onstad is a township in Polk County, Minnesota, home to about 64 people across 36 square miles. It has no ZIP code of its own: it’s part of 56517, 56540 and 56716.
Homes sold for a median of $117 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Population642 per sq mi
Median home value$342,900Census, as estimated by owners
Price per sq ft$117Sold homes, 3 months to August 2026
Sold over asking19%Median of 2 ZIP codes
ZIP codes in Onstad
3 ZIP codes, 3 shared with neighboring towns
Beltrami, MN56517Not enough recent sales for market figures yet.
Each card is that ZIP code’s whole market, including any part outside Onstad. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
The Onstad guide is on the way
We’re writing up Onstad’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 Onstad
Distances
Nearest major airport
Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)245 miles away
Closer regional airport
Thief River Falls Regional Airport (TVF)32 miles away
Nearest city of 250,000+
Minneapolis, MN239 miles away
Nearest city of 1 million+
Chicago, IL587 miles away
Straight-line distances from the center of Onstad; 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.
Population over time
Onstad had 61 residents in the 2020 census, down 13% since 2000.
It’s the 2506th largest of 2,727 towns in Minnesota by population.
Polk County grew from 35,429 residents in 1900 to 31,192 in 2020.
Polk County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 80°F in summer, and winter lows average -4°F. About 22.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Crookston Nw Exp Stn, MN weather station (15 miles away).
Jobs in Polk County
8,944 jobs at 733 businesses in Polk County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
153 doctors and other health care providers list an office in Onstad’s ZIP codes.
Nearest hospitals
Riverview HospitalCritical access hospital · emergency room · Crookston12.7 miles
Essentia Health AdaCritical access hospital · emergency room · Ada23.3 miles
Sanford HillsboroCritical access hospital · emergency room · Hillsboro32.5 miles
Providers with an office here
Primary care doctors
15
Specialist doctors
8
Dentists
4
Nurse practitioners and physician assistants
26
Mental health providers
72
Physical and occupational therapists
18
Optometrists
3
Chiropractors
7
Pharmacies
6
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.
Schools in Onstad
Public schools here are run by Crookston Public School District, Fertile-Beltrami School District. Check each district’s attendance zones for a specific address.
Public schools(7)
School
Grades
Students
Type
Distance
Crookston Pre-K ProgramCrookston
Pre-K
27
Special Education
12.9 mi
Fertile-Beltrami ElementaryFertile
Pre-K–6
249
Public
10.3 mi
Washington ElementaryCrookston
Pre-K–K
42
Public
12.9 mi
Highland ElementaryCrookston
K–5
474
Public
12.1 mi
Crookston SecondaryCrookston
6–12
592
Public
13.2 mi
Northern Lights AcademyCrookston
6–12
5
Alternative Education
12.7 mi
Fertile-Beltrami SecondaryFertile
7–12
246
Public
10.3 mi
Private schools(2)
School
Grades
Students
Affiliation
Distance
Cathedral Elementary SchoolCrookston
Pre-K–5
59
Roman Catholic
12.0 mi
Our Saviors Lutheran Day SchoolCrookston
Pre-K–6
42
Lutheran Church–Missouri Synod
12.3 mi
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Crookston, Fertile, Garfield Township (Polk County), Crookston Township, Lowell, Fairfax Township, Gentilly, Garden, Godfrey, Reis, Liberty Township (Polk County), Andover Township, Woodside Township (Polk County), Kertsonville, Bear Park, Beltrami, Parnell Township (Polk County), Sundal, Scandia Township, Russia, Fanny, Spring Creek Township (Norman County) and Hammond Township.
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.