Constantine is a township in St. Joseph County, Michigan, home to about 4,053 people across 34 square miles. Its ZIP code is 49042.
Homes sold for a median of $147 per square foot in the three months ending August 2026, a seller’s market.
Mostly Constantine; also Florence and Porter Township (Cass County)
Each card is that ZIP code’s whole market, including any part outside Constantine. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Constantine’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 | Kalamazoo/Battle Creek International Airport (AZO)27 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN59 miles away |
| Nearest city of 1 million+ | Chicago, IL104 miles away |
Straight-line distances from the center of Constantine; 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.
Constantine had 4,037 residents in the 2020 census, down 3% since 2000.
It’s the 439th largest of 1,531 towns in Michigan by population.
St. Joseph County grew from 23,889 residents in 1900 to 60,939 in 2020.
St. Joseph 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 17°F. About 39.9 inches of rain and melted snow fall in a typical year, with about 41 inches of snow.
Source: NOAA 1991–2020 climate normals, Three Rivers, MI weather station (6 miles away).
19,429 jobs at 1,149 businesses in St. Joseph County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Constantine.
Nearest hospitals
Providers with an office here
| Chiropractors | 1 |
|---|
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 (3 nearby)
Grocery stores
Libraries (2 nearby)
Museums
Theaters and performance venues
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 Constantine Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Eastside Elementary SchoolConstantine | Pre-K–2 | 230 | Public | 0.9 mi |
| Riverside Elementary SchoolConstantine | 3–5 | 256 | Public | 1.2 mi |
| Constantine Alternative EducationConstantine | 6–12 | 104 | Alternative Education | 0.6 mi |
| Constantine Middle SchoolConstantine | 6–8 | 309 | Public | 0.9 mi |
| Constantine High SchoolConstantine | 9–12 | 348 | Public | 1.1 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 Florence, Porter Township (Cass County) and Lockport.
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.