What stands out worked out from the figures below

Grantham has grown the fastest since 2010 (+14%).

Sullivan has the most affordable homes ($222k 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	Grantham	Sullivan
People
Population	3,465Highest	1,246Lowest
Growth since 20102010 → 2020 census	+14%Highest U.S.: +7.4%	-1.4%Lowest U.S.: +7.4%
Median age	50.4±7.5Highest 30% above U.S.	47.1±15Lowest 21% above U.S.
	Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	19.1%±6.6Highest U.S.: 22%	18%±5.2Lowest U.S.: 22%
	Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	17%±6.9Lowest U.S.: 17.2%	22.5%±2.9Highest U.S.: 17.2%
	Sullivan and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	59.6%Highest U.S.: 35.7%	26%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	4.8%±6Lowest U.S.: 6.4%	5.1%±4Highest U.S.: 6.4%
	Sullivan and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$106,403±$54kHighest 32% above U.S.	$59,643±$14kLowest 26% below U.S.
	Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$343,100±$39kHighest 3% above U.S.	$222,000±$33kLowest 33% below U.S.
Rentmedian gross, monthly	—	$883±$114 38% below U.S.
Property taxmedian, yearly	$7,605Highest 144% above U.S.	$2,228Lowest 29% below U.S.
Renters paying 30%+of income on rent	—	34.9%±23.6 U.S.: 51.1%
Below poverty line	0%Lowest U.S.: 12.5%	13.6%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	100%Highest U.S.: 65.2%	85.2%Lowest U.S.: 65.2%
Typical home builtmedian year	1987Highest 7 yrs newer than U.S.	1981Lowest 1 yr newer than U.S.
Getting to work
Average commuteone way	23 minLowest 15% below U.S.	26 minHighest about the U.S. average
Work from home	13.8%±6.2Highest U.S.: 15.1%	12.6%±7.9Lowest U.S.: 15.1%
	Grantham and Sullivan 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	#6 of 120 in NH	—
School district	Grantham School District	RSU 24
High school in town	None in town	Sumner Memorial High School
Students per teacherat that high school	—	10.5
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.