What stands out worked out from the figures below

Cornwall has the most kids (18.7% under 18).

Seabrook Beach has grown the fastest since 2010 (+8.7%).

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	Cornwall	Seabrook Beach
People
Population	1,208Highest	1,001Lowest
Growth since 20102010 → 2020 census	+1.9%Lowest U.S.: +7.4%	+8.7%Highest U.S.: +7.4%
Median age	50.4±4.6Lowest 30% above U.S.	62±3.8Highest 59% above U.S.
Kids under 18	18.7%±3Highest U.S.: 22%	5.2%±3.1Lowest U.S.: 22%
Age 65+	25.7%±6.1Lowest U.S.: 17.2%	42.1%±7.9Highest U.S.: 17.2%
Bachelor’s degree+adults 25+	54.7%Highest U.S.: 35.7%	39.6%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	3.7%±3.1Highest U.S.: 6.4%	2.2%±3.2Lowest U.S.: 6.4%
	Cornwall and Seabrook Beach are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$114,583±$32kHighest 42% above U.S.	$93,571±$43kLowest 16% above U.S.
	Cornwall and Seabrook Beach are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$458,000±$49kLowest 38% above U.S.	$920,900±$75kHighest 177% above U.S.
Rentmedian gross, monthly	$1,125±$206Lowest 20% below U.S.	$1,725±$575Highest 22% above U.S.
	Seabrook Beach and Cornwall are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$6,726Lowest 116% above U.S.	$10,000+Highest at least 221% above U.S.
Renters paying 30%+of income on rent	61.9%±65.5Lowest U.S.: 51.1%	90.5%±100Highest U.S.: 51.1%
	Seabrook Beach and Cornwall are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	0.8%Lowest U.S.: 12.5%	7.8%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	94.3%Highest U.S.: 65.2%	74.5%Lowest U.S.: 65.2%
Typical home builtmedian year	1976Highest 4 yrs older than U.S.	1966Lowest 14 yrs older than U.S.
Getting to work
Average commuteone way	24 minLowest 11% below U.S.	33 minHighest 23% above U.S.
Work from home	24.4%±6.6Lowest U.S.: 15.1%	39.5%±20Highest U.S.: 15.1%
	Seabrook Beach and Cornwall are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district	Addison Central Unified Union School District #55	—
High school in town	None in town	—
On TownTapestry
Old photos in History	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.