What stands out worked out from the figures below

South Berwick has the most people working from home (17.6%).

Sullivan has the most affordable homes ($237k median).

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	South Berwick	Sullivan
People
Population	7,670Highest	687Lowest
Growth since 20102010 → 2020 census	+3.4%Highest U.S.: +7.4%	-2.8%Lowest U.S.: +7.4%
Median age	39±2.5Lowest about the U.S. average	46.6±6.5Highest 20% above U.S.
	Sullivan and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	26.7%±6Highest U.S.: 22%	16.3%±5Lowest U.S.: 22%
	South Berwick and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	15.8%±3Lowest U.S.: 17.2%	20.5%±3.6Highest U.S.: 17.2%
	Sullivan and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	41.8%Highest U.S.: 35.7%	28.5%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	4.2%±1.9Highest U.S.: 6.4%	3.9%±2.6Lowest U.S.: 6.4%
	South Berwick and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$99,572±$13kLowest 23% above U.S.	$106,667±$20kHighest 32% above U.S.
	Sullivan and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$428,300±$26kHighest 29% above U.S.	$236,500±$29kLowest 29% below U.S.
Rentmedian gross, monthly	$1,726±$83Highest 22% above U.S.	$1,225±$275Lowest 13% below U.S.
Property taxmedian, yearly	$4,956Lowest 59% above U.S.	$5,099Highest 63% above U.S.
Renters paying 30%+of income on rent	53.5%±24.5Highest U.S.: 51.1%	40%±84.5Lowest U.S.: 51.1%
	South Berwick and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	3.4%Lowest U.S.: 12.5%	4.1%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	78.3%Lowest U.S.: 65.2%	93.6%Highest U.S.: 65.2%
Typical home builtmedian year	1982Highest 2 yrs newer than U.S.	1979Lowest 1 yr older than U.S.
Getting to work
Average commuteone way	27 minLowest about the U.S. average	32 minHighest 22% above U.S.
Work from home	17.6%±5.8Highest U.S.: 15.1%	4.2%±2.5Lowest U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading	#58 of 133 in ME	—
School district	RSU 35/MSAD 35	—
High school in town	Marshwood High School	—
Students per teacherat that high school	13.0	—
On TownTapestry
Old photos in Our Story	None yet	None yet

U.S. 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.