What stands out worked out from the figures below

Sullivan has the most homeowners (93.6%).

Portsmouth has the most people working from home (21.9%).

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	Sullivan	Portsmouth
People
Population	687Lowest	22,545Highest
Growth since 20102010 → 2020 census	-2.8%Lowest NH: +4.6%	+5.7%Highest NH: +4.6%
Median age	46.6±6.5Highest 8% above NH	42.9±2Lowest about the NH average
	Sullivan and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	16.3%±5Highest NH: 18.2%	14%±1.9Lowest NH: 18.2%
	Sullivan and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	20.5%±3.6Lowest NH: 20.1%	21.9%±2.4Highest NH: 20.1%
	Portsmouth and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	28.5%Lowest NH: 40.6%	64%Highest NH: 40.6%
Enrolled in collegeshare of residents	3.9%±2.6Highest NH: 6%	3.8%±1.2Lowest NH: 6%
	Sullivan and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$106,667±$20kHighest 8% above NH	$106,219±$7kLowest 7% above NH
	Sullivan and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$236,500±$29kLowest 41% below NH	$688,500±$39kHighest 71% above NH
Rentmedian gross, monthly	$1,225±$275Lowest 18% below NH	$1,869±$111Highest 25% above NH
Property taxmedian, yearly	$5,099Lowest 24% below NH	$8,018Highest 20% above NH
Renters paying 30%+of income on rent	40%±84.5Lowest NH: 48.2%	50.4%±7.2Highest NH: 48.2%
	Portsmouth and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	4.1%Lowest NH: 7.2%	6.8%Highest NH: 7.2%
Housing
Homeownersof occupied homes	93.6%Highest NH: 72.8%	51.9%Lowest NH: 72.8%
Typical home builtmedian year	1979Highest same as NH	1959Lowest 20 yrs older than NH
Getting to work
Average commuteone way	32 minHighest 20% above NH	22 minLowest 17% below NH
Work from home	4.2%±2.5Lowest NH: 16.8%	21.9%±4Highest NH: 16.8%
Schools
Public school scoresrank in state, math + reading	—	#11 of 120 in NH
School district	—	Portsmouth School District
High school in town	—	Portsmouth High School
Students per teacherat that high school	—	11.4
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.