What stands out worked out from the figures below

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

Dedham has the most kids (23.8% under 18).

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	Dedham
People
Population	3,465Highest	1,656Lowest
Growth since 20102010 → 2020 census	+14%Highest U.S.: +7.4%	-2%Lowest U.S.: +7.4%
Median age	50.4±7.5Highest 30% above U.S.	46.5±2.2Lowest 20% above U.S.
	Grantham and Dedham are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	19.1%±6.6Lowest U.S.: 22%	23.8%±3.6Highest U.S.: 22%
	Dedham and Grantham 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%	18.7%±2.9Highest U.S.: 17.2%
	Dedham 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%	49.5%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	4.8%±6Highest U.S.: 6.4%	3.3%±1.7Lowest U.S.: 6.4%
	Grantham and Dedham 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 32% above U.S.	$111,442±$18kHighest 38% above U.S.
	Dedham 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 3% above U.S.	$356,400±$33kHighest 7% above U.S.
	Dedham and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	—	$1,422±$607 about the U.S. average
Property taxmedian, yearly	$7,605Highest 144% above U.S.	$3,942Lowest 26% above U.S.
Renters paying 30%+of income on rent	—	13%±85.3 U.S.: 51.1%
Below poverty line	0%Lowest U.S.: 12.5%	9%Highest U.S.: 12.5%
Housing
Homeownersof occupied homes	100%Highest U.S.: 65.2%	95.5%Lowest U.S.: 65.2%
Typical home builtmedian year	1987Highest 7 yrs newer than U.S.	1983Lowest 3 yrs newer than U.S.
Getting to work
Average commuteone way	23 minLowest 15% below U.S.	30 minHighest 14% above U.S.
Work from home	13.8%±6.2Highest U.S.: 15.1%	9.3%±4.3Lowest U.S.: 15.1%
	Grantham and Dedham 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	Dedham Public Schools
High school in town	None in town	None in town
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.