Calvin is a township in Cass County, Michigan, home to about 1,593 people across 34 square miles. It has no ZIP code of its own: it’s part of 49031, 49061 and 49095.
Homes sold for a median of $161 per square foot across 3 ZIP codes in the three months ending August 2026, and 1 of 3 were seller’s markets.
Mostly LaGrange; part is in Calvin
Mostly Porter Township (Cass County); part is in Calvin
Mostly Penn; part is in Calvin
Each card is that ZIP code’s whole market, including any part outside Calvin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Calvin’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Gerald R. Ford International Airport (GRR)72 miles away |
|---|---|
| Closer regional airport | South Bend International Airport (SBN)22 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN70 miles away |
| Nearest city of 1 million+ | Chicago, IL88 miles away |
Straight-line distances from the center of Calvin; 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.
Calvin had 1,993 residents in the 2020 census, down 2% since 2000.
It’s the 961st largest of 1,531 towns in Michigan by population.
Cass County grew from 20,876 residents in 1900 to 51,589 in 2020.
Cass County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 16°F. About 41.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Dowagiac 1 W, MI weather station (10 miles away).
7,632 jobs at 777 businesses in Cass County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
74 doctors and other health care providers list an office in Calvin’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 7 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 7 |
| Nurse practitioners and physician assistants | 10 |
| Mental health providers | 41 |
| Physical and occupational therapists | 7 |
| Chiropractors | 1 |
| 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 (10 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
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 Heritage Southwest Intermediate School District, Cassopolis Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brookside Learning CenterCassopolis | Pre-K–12 | 64 | Special Education | 6.1 mi |
| Sam Adams Elementary SchoolCassopolis | Pre-K–5 | 368 | Public | 2.0 mi |
| Cassopolis Middle SchoolCassopolis | 6–8 | 188 | Public | 2.0 mi |
| Cassopolis Alternative EdCassopolis | 9–12 | 16 | Alternative Education | 1.7 mi |
| Cassopolis High SchoolCassopolis | 9–12 | 281 | 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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Shares ZIP codes with LaGrange, Jefferson Township (Cass County), Porter Township (Cass County), Penn, Mason Township (Cass County), Newberg, Howard and Volinia.
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.