What stands out worked out from the figures below

Grantham has the most kids (19.1% under 18).

Londonderry has the most renters (13.9% rent).

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	Londonderry
People
Population	3,465Highest	1,873Lowest
Growth since 20102010 → 2020 census	+14%Highest U.S.: +7.4%	+8.5%Lowest U.S.: +7.4%
Median age	50.4±7.5Lowest 30% above U.S.	51.2±2.8Highest 32% above U.S.
	Londonderry and Grantham 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%	11.3%±3.9Lowest U.S.: 22%
	Grantham and Londonderry 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%	21.4%±5.4Highest U.S.: 17.2%
	Londonderry 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%	35.8%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	4.8%±6Highest U.S.: 6.4%	2.6%±2Lowest U.S.: 6.4%
	Grantham and Londonderry 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.	$85,179±$21kLowest 6% above U.S.
	Grantham and Londonderry are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$343,100±$39kLowest 3% above U.S.	$346,300±$55kHighest 4% above U.S.
	Londonderry and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	—	$1,014±$731 28% below U.S.
Property taxmedian, yearly	$7,605Highest 144% above U.S.	$5,162Lowest 66% above U.S.
Renters paying 30%+of income on rent	—	48.1%±29.7 U.S.: 51.1%
Below poverty line	0%Lowest U.S.: 12.5%	2.4%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	100%Highest U.S.: 65.2%	86.1%Lowest U.S.: 65.2%
Typical home builtmedian year	1987Highest 7 yrs newer than U.S.	1978Lowest 2 yrs older than U.S.
Getting to work
Average commuteone way	23 minLowest 15% below U.S.	24 minHighest 8% below U.S.
Work from home	13.8%±6.2Highest U.S.: 15.1%	13.3%±5.3Lowest U.S.: 15.1%
	Grantham and Londonderry 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	Taconic and Green Regional School District #63
High school in town	None in town	None in town
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.