What stands out worked out from the figures below

Seabrook has the oldest population (median age 54).

Newmarket has grown the fastest since 2010 (+5.5%).

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	Seabrook	Newmarket
People
Population	8,427Lowest	9,463Highest
Growth since 20102010 → 2020 census	-3.4%Lowest NH: +4.6%	+5.5%Highest NH: +4.6%
Median age	54±1.9Highest 25% above NH	41.2±1.9Lowest 5% below NH
Kids under 18	14.8%±3.1Lowest NH: 18.2%	15.6%±2.7Highest NH: 18.2%
	Newmarket and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	31.5%±5Highest NH: 20.1%	16.1%±2.8Lowest NH: 20.1%
Bachelor’s degree+adults 25+	27.5%Lowest NH: 40.6%	49.7%Highest NH: 40.6%
Enrolled in collegeshare of residents	2.9%±1.3Lowest NH: 6%	5.6%±1.9Highest NH: 6%
	Newmarket and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$84,349±$15kLowest 15% below NH	$100,845±$13kHighest about the NH average
	Newmarket and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$443,500±$40kLowest 10% above NH	$455,000±$22kHighest 13% above NH
	Newmarket and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	$1,542±$174Lowest 3% above NH	$1,671±$69Highest 12% above NH
	Newmarket and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$5,785Lowest 13% below NH	$8,734Highest 31% above NH
Renters paying 30%+of income on rent	50.4%±10Highest NH: 48.2%	46.3%±8.3Lowest NH: 48.2%
	Seabrook and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	12.1%Highest NH: 7.2%	4.6%Lowest NH: 7.2%
Housing
Homeownersof occupied homes	68.2%Highest NH: 72.8%	52.9%Lowest NH: 72.8%
Typical home builtmedian year	1986Highest 7 yrs newer than NH	1983Lowest 4 yrs newer than NH
Getting to work
Average commuteone way	21 minLowest 22% below NH	28 minHighest 6% above NH
Work from home	10.5%±3.7Lowest NH: 16.8%	17.3%±3.3Highest NH: 16.8%
	Newmarket 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	#114 of 120 in NH	#39 of 120 in NH
School district	Seabrook School District	Newmarket School District
High school in town	None in town	Newmarket Jr.-Sr. High School
Students per teacherat that high school	—	9.9
On TownTapestry
Old photos in Our Story	None yet	None yet

NH 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.