Casco is a town in Cumberland County, Maine, United States. Casco is included in the Lewiston-Auburn, Maine metropolitan New England City and Town Area. The population was 3,646 at the 2020 census. Casco includes the villages of Casco, South Casco and Cook Mills. The town borders the east shore of Sebago Lake, and is home to part of Sebago Lake State Park. Casco is part of the Portland-South Portland-Biddeford metropolitan area. Casco is just under 30 miles (48 km) from downtown Portland. Casco is the home of "Casco Days", an annual community fair which takes place in Casco Days Park, always on the last Saturday in July.

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How Casco ranks

All →

#7Most remote workers in ME #15Most new homes in ME #19Highest graduation rate in ME All ME rankings →

Town numbers

ZIP code04015

Area code207

Living in Casco

Housing in Casco

$447K▲ 9% in a year Typical home value · Zillow

The typical Casco home is worth about $447,000, up 9% in a year, 7% above the Maine typical home.

Only 2 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Health in Casco

Compared with Maine

1better than ME

of 32 measures CDC estimates. The other 31 are too close to call.

Conditions all close Habits all close Care 1▲ 6 close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

68.3%More adults seeing a dentistME 63.8% · better

Care nearby

Bridgton HospitalBridgton · 11.9 mi · ER · rural critical access

Ccs Second Street Health CenterAuburn · 17.3 mi · sliding-scale fees

Primary careShortage · Casco

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · ZIP code 04015 · CMS · HRSAHealth in Casco →

Schools in Casco

All Casco schools →

School Grade C

The public schools Casco’s kids attend, from kindergarten through graduation, trail 72% of Maine’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictRSU 61/MSAD 61Schools1

Crooked River ElementaryElementary · Grades 3–5 · 195 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within ME. Ratings are from neighbors.