Decatur is a township in Van Buren County, Michigan, home to about 3,537 people across 35 square miles. Its ZIP code is 49045, and parts of 49065 are in Decatur too.
Homes sold for a median of $136 per square foot in the three months ending August 2026, a balanced market.
Mostly Decatur; also Hamilton Township (Van Buren County) and Keeler
Mostly Antwerp; part is in Decatur
Each card is that ZIP code’s whole market, including any part outside Decatur. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Decatur’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)58 miles away |
|---|---|
| Closer regional airport | Kalamazoo/Battle Creek International Airport (AZO)24 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN83 miles away |
| Nearest city of 1 million+ | Chicago, IL89 miles away |
Straight-line distances from the center of Decatur; 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.
Decatur had 3,575 residents in the 2020 census, down 9% since 2000.
It’s the 504th largest of 1,531 towns in Michigan by population.
Van Buren County grew from 33,274 residents in 1900 to 75,587 in 2020.
Van Buren 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 (11 miles away).
17,635 jobs at 1,327 businesses in Van Buren County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
13 doctors and other health care providers list an office in Decatur.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 1 |
| Physical and occupational therapists | 2 |
| 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 (4 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 Decatur Public Schools, Marcellus Community Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Davis Elementary SchoolDecatur | K–5 | 356 | Public | 0.7 mi |
| Decatur Jr Sr High SchoolDecatur | 6–12 | 399 | Public | 0.7 mi |
| Volinia Outcome Base SchoolDecatur | 7–12 | 40 | Alternative Education | 7.2 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 Antwerp, Porter Township (Van Buren County), Hamilton Township (Van Buren County), Keeler, Volinia and Paw Paw.
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.