Ortonville Township is a township in Big Stone County, Minnesota, home to about 68 people across 13 square miles. It has no ZIP code of its own: it’s part of 56278.
Homes sold for a median of $144 per square foot in the three months ending August 2026, a seller’s market.
Population685 per sq mi
Median home value$231,300Census, as estimated by owners
Price per sq ft$144Sold homes, 3 months to August 2026
Each card is that ZIP code’s whole market, including any part outside Ortonville Township. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
The Ortonville Township guide is on the way
We’re writing up Ortonville Township’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 Ortonville Township
Distances
Nearest major airport
Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)161 miles away
Closer regional airport
Watertown Regional Airport (ATY)44 miles away
Nearest city of 250,000+
Minneapolis, MN157 miles away
Nearest city of 1 million+
Chicago, IL501 miles away
Straight-line distances from the center of Ortonville Township; 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
Ortonville Township had 90 residents in the 2020 census, down 96% since 2000.
It’s the 2490th largest of 2,727 towns in Minnesota by population.
Big Stone County grew from 8,731 residents in 1900 to 5,166 in 2020.
Big Stone 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 81°F in summer, and winter lows average 4°F. About 25.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Milbank, SD weather station (11 miles away).
Jobs in Big Stone County
1,372 jobs at 178 businesses in Big Stone County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
54 doctors and other health care providers list an office in Ortonville Township.
Nearest hospitals
Ortonville Area Health ServicesCritical access hospital · emergency room · OrtonvilleUnder a mile
Milbank Area Hospital/Avera HealthCritical access hospital · emergency room · Milbank11.7 miles
Essentia Health Holy Trinity HospitalCritical access hospital · emergency room · Graceville16.1 miles
Providers with an office here
Primary care doctors
10
Specialist doctors
1
Dentists
2
Nurse practitioners and physician assistants
9
Mental health providers
4
Physical and occupational therapists
23
Optometrists
3
Chiropractors
2
Pharmacies
3
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.
Places in and around Ortonville Township
Parks (8 nearby)
Big Stone Island Nature Area · 101 acres1.8 mi
Nielson Park · 5 acres1.4 mi
Central Park · 3 acres1.6 mi
Lakeside Park · 2 acres1.7 mi
Northside Park1.0 mi
Ortonville Athletic Field1.5 mi
Libraries (1 nearby)
Ortonville City Public Library1.6 mi
Museums
Big Stone County Historical Society Museum2.6 mi
Counts are within about 2.5 miles of the center of town.
Public schools here are run by Ortonville Public Schools, Big Stone City School District 25-1. Check each district’s attendance zones for a specific address.
Public schools(3)
School
Grades
Students
Type
Distance
Knoll ElementaryOrtonville
Pre-K–6
282
Public
1.7 mi
Contract - 02Ortonville
K–12
—
Public
1.7 mi
Ortonville SecondaryOrtonville
7–12
228
Public
1.7 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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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.