What stands out worked out from the figures below

Casco has the most expensive homes ($356k median).

Sumner has grown the fastest since 2010 (+5.9%).

What matters to you?

Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.

Raising kidsAffordabilityOwning a homeShort commuteWorking from homeYounger crowdSettled, older crowdGrowing town

Measure	Casco	Sumner
People
Population	3,696Highest	845Lowest
Growth since 20102010 → 2020 census	-2.6%Lowest ME: +2.6%	+5.9%Highest ME: +2.6%
Median age	52±3.3Lowest 16% above ME	56.1±8.4Highest 25% above ME
	Sumner and Casco are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	11.3%±3.7Lowest ME: 18.1%	17.2%±6.9Highest ME: 18.1%
	Sumner and Casco are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	26.3%±7.8Lowest ME: 22.4%	29.7%±5.2Highest ME: 22.4%
	Sumner and Casco are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	32.9%Highest ME: 36.2%	15.4%Lowest ME: 36.2%
Enrolled in collegeshare of residents	4.4%±2.5Highest ME: 5.8%	1.4%±1.4Lowest ME: 5.8%
	Casco and Sumner are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$69,313±$19kHighest 7% below ME	$57,750±$19kLowest 23% below ME
	Casco and Sumner are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$355,500±$58kHighest 20% above ME	$150,000±$73kLowest 49% below ME
Rentmedian gross, monthly	$1,395±$184 22% above ME	—
Property taxmedian, yearly	$3,085Highest about the ME average	$2,167Lowest 29% below ME
Renters paying 30%+of income on rent	39.7%±35.5Lowest ME: 48.4%	100%±100Highest ME: 48.4%
	Sumner and Casco are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	11%Highest ME: 10.7%	5.8%Lowest ME: 10.7%
Housing
Homeownersof occupied homes	90%Lowest ME: 74.3%	91.1%Highest ME: 74.3%
Typical home builtmedian year	1988Highest 11 yrs newer than ME	1977Lowest same as ME
Getting to work
Average commuteone way	30 minLowest 23% above ME	42 minHighest 72% above ME
Work from home	26.6%±10Highest ME: 15.9%	18.5%±8Lowest ME: 15.9%
	Casco and Sumner are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district	RSU 61/MSAD 61	RSU 10
High school in town	None in town	None in town
On TownTapestry
Old photos in History	None yet	None yet

ME average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.