Casco is a town in Cumberland County, Maine, home to about 3,696 people across 31 square miles. Its ZIP code is 04015.
Homes sold for a median of $316 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Casco. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Portland International Jetport (PWM)24 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA115 miles away |
| Nearest city of 1 million+ | New York, NY287 miles away |
Straight-line distances from the center of Casco; 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 had 3,646 residents in the 2020 census, up 5% since 2000.
It’s the 98th largest of 519 towns in Maine by population.
Cumberland County grew from 100,689 residents in 1900 to 303,069 in 2020.
Cumberland 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 11°F. About 49.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Windham 2nw, ME weather station (8 miles away).
190,022 jobs at 12,242 businesses in Cumberland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Casco.
Nearest hospitals
Providers with an office here
| Mental health providers | 4 |
|---|---|
| Physical and occupational therapists | 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 (10 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
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.
Established in 1841.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Rsu 61/Msad 61. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Crooked River ElementaryCasco | 3–5 | 195 | Public | 2.3 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.