What stands out worked out from the figures below

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

New Castle has the most expensive homes ($1701k 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	New Castle
People
Population	3,465Highest	827Lowest
Growth since 20102010 → 2020 census	+14%Highest NH: +4.6%	+3.3%Lowest NH: +4.6%
Median age	50.4±7.5Lowest 16% above NH	62.8±6Highest 45% above NH
	New Castle 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 NH: 18.2%	12.9%±7.1Lowest NH: 18.2%
	Grantham and New Castle are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	17%±6.9Lowest NH: 20.1%	44.3%±16.1Highest NH: 20.1%
Bachelor’s degree+adults 25+	59.6%Lowest NH: 40.6%	68.8%Highest NH: 40.6%
Enrolled in collegeshare of residents	4.8%±6Highest NH: 6%	0.6%±1.8Lowest NH: 6%
	Grantham and New Castle are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$106,403±$54kLowest 7% above NH	$176,953±$29kHighest 79% above NH
	New Castle and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$343,100±$39kLowest 15% below NH	$1,701,300±$267kHighest 323% above NH
Rentmedian gross, monthly	—	$3,501 135% above NH
Property taxmedian, yearly	$7,605Lowest 14% above NH	$8,509Highest 28% above NH
Renters paying 30%+of income on rent	—	0%±85.7 NH: 48.2%
Below poverty line	0%Lowest NH: 7.2%	4.6%Highest NH: 7.2%
Housing
Homeownersof occupied homes	100%Highest NH: 72.8%	93%Lowest NH: 72.8%
Typical home builtmedian year	1987Highest 8 yrs newer than NH	1975Lowest 4 yrs older than NH
Getting to work
Average commuteone way	23 minLowest 16% below NH	33 minHighest 22% above NH
Work from home	13.8%±6.2Lowest NH: 16.8%	40.1%±19.4Highest NH: 16.8%
Schools
Public school scoresrank in state, math + reading	#6 of 120 in NH	—
School district	Grantham School District	New Castle School District
High school in town	None in town	None in town
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.