Casco Township (Allegan County) is a township in Allegan County, Michigan, home to about 2,856 people across 39 square miles. It has no ZIP code of its own: it’s part of 49090 and 49450.
Homes sold for a median of $230 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly South Haven Charter Township; part is in Casco Township (Allegan County)
Mostly Lee Township (Allegan County); part is in Casco Township (Allegan County)
Each card is that ZIP code’s whole market, including any part outside Casco Township (Allegan County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Casco Township (Allegan County)’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Casco Township (Allegan County) well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Gerald R. Ford International Airport (GRR)48 miles away |
|---|---|
| Closer regional airport | Kalamazoo/Battle Creek International Airport (AZO)37 miles away |
| Nearest city of 250,000+ | Chicago, IL85 miles away |
Straight-line distances from the center of Casco Township (Allegan County); 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.
Casco Township (Allegan County) had 2,796 residents in the 2020 census, down 7% since 2000.
It’s the 609th largest of 1,531 towns in Michigan by population.
Allegan County grew from 38,812 residents in 1900 to 120,502 in 2020.
Allegan County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 22°F. About 37.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, S Haven, MI weather station (3 miles away).
38,899 jobs at 2,571 businesses in Allegan County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
100 doctors and other health care providers list an office in Casco Township (Allegan County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 18 |
|---|---|
| Specialist doctors | 11 |
| Dentists | 8 |
| Nurse practitioners and physician assistants | 21 |
| Mental health providers | 18 |
| Physical and occupational therapists | 15 |
| Optometrists | 3 |
| Chiropractors | 6 |
| Pharmacies | 8 |
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 (13 nearby)
Grocery stores (3 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (7 nearby)
Theaters and performance venues (2 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 South Haven Public Schools, Bloomingdale Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lincoln SchoolSouth Haven | Pre-K–3 | 251 | Public | 2.9 mi |
| Maple Grove Elementary SchoolSouth Haven | Pre-K–3 | 300 | Public | 3.0 mi |
| Pullman Elementary SchoolPullman | K–5 | 165 | Public | 8.4 mi |
| North Shore ElementarySouth Haven | 4–5 | 255 | Public | 1.8 mi |
| Baseline Middle SchoolSouth Haven | 6–8 | 377 | Public | 1.9 mi |
| WAY South HavenSouth Haven | 8–12 | 44 | Public | 1.0 mi |
| South Haven High SchoolSouth Haven | 9–12 | 588 | Public | 2.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Basil Catholic SchoolSouth Haven | Pre-K–8 | 123 | Roman Catholic | 3.1 mi |
| St Paul Lutheran SchoolSouth Haven | Pre-K–8 | 31 | Wisconsin Evangelical Lutheran Synod | 2.7 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.
Buying or selling around Casco Township (Allegan County)? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with South Haven Charter Township, South Haven City (Van Buren County), Geneva Township (Van Buren County), Lee Township (Allegan County), Cheshire and South Haven City (Allegan County).
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.