What stands out worked out from the figures below

South Berwick has grown the fastest since 2010 (+3.4%).

Seabrook has the oldest population (median age 54).

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	Seabrook
People
Population	7,670Lowest	8,427Highest
Growth since 20102010 → 2020 census	+3.4%Highest U.S.: +7.4%	-3.4%Lowest U.S.: +7.4%
Median age	39±2.5Lowest about the U.S. average	54±1.9Highest 39% above U.S.
Kids under 18	26.7%±6Highest U.S.: 22%	14.8%±3.1Lowest U.S.: 22%
Age 65+	15.8%±3Lowest U.S.: 17.2%	31.5%±5Highest U.S.: 17.2%
Bachelor’s degree+adults 25+	41.8%Highest U.S.: 35.7%	27.5%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	4.2%±1.9Highest U.S.: 6.4%	2.9%±1.3Lowest U.S.: 6.4%
	South Berwick and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$99,572±$13kHighest 23% above U.S.	$84,349±$15kLowest 4% above U.S.
	South Berwick and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$428,300±$26kLowest 29% above U.S.	$443,500±$40kHighest 33% above U.S.
	Seabrook and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	$1,726±$83Highest 22% above U.S.	$1,542±$174Lowest 9% above U.S.
	South Berwick and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$4,956Lowest 59% above U.S.	$5,785Highest 85% above U.S.
Renters paying 30%+of income on rent	53.5%±24.5Highest U.S.: 51.1%	50.4%±10Lowest U.S.: 51.1%
	South Berwick and Seabrook 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%	12.1%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	78.3%Highest U.S.: 65.2%	68.2%Lowest U.S.: 65.2%
Typical home builtmedian year	1982Lowest 2 yrs newer than U.S.	1986Highest 6 yrs newer than U.S.
Getting to work
Average commuteone way	27 minHighest about the U.S. average	21 minLowest 21% below U.S.
Work from home	17.6%±5.8Highest U.S.: 15.1%	10.5%±3.7Lowest U.S.: 15.1%
	South Berwick and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Schools
Public school scoresrank in state, math + reading	#58 of 133 in ME	#114 of 120 in NH
School district	RSU 35/MSAD 35	Seabrook School District
High school in town	Marshwood High School	None in town
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.