What stands out worked out from the figures below

Durham has the most expensive homes ($504k median).

Castle Hill has the oldest population (median age 57.8).

Durham is a college town. 55.1% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.

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	Durham	Castle Hill
People
Population	15,080Highest	281Lowest
Growth since 20102010 → 2020 census	+5.8% U.S.: +7.4%	—
Median age	20.8±0.3Lowest 47% below U.S.	57.8±15.8Highest 49% above U.S.
Kids under 18	10.3%±2.1Lowest U.S.: 22%	14.2%±5.8Highest U.S.: 22%
	Castle Hill and Durham are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	11.5%±1.6Lowest U.S.: 17.2%	44.8%±6.5Highest U.S.: 17.2%
Bachelor’s degree+adults 25+	75.4%Highest U.S.: 35.7%	26.7%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	55.1%±3.2Highest U.S.: 6.4%	2.1%±5.3Lowest U.S.: 6.4%
Cost of living
Household incomemedian	$124,056±$21kHighest 54% above U.S.	$54,250±$14kLowest 33% below U.S.
Home valuemedian, owner-occupied	$504,300±$41kHighest 52% above U.S.	$145,300±$18kLowest 56% below U.S.
Rentmedian gross, monthly	$1,429±$143Highest about the U.S. average	$950±$574Lowest 33% below U.S.
	Durham and Castle Hill are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$10,000+Highest at least 221% above U.S.	$1,449Lowest 54% below U.S.
Renters paying 30%+of income on rent	66.4%±16Lowest U.S.: 51.1%	75%±100Highest U.S.: 51.1%
	Castle Hill and Durham are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	15.1%Highest U.S.: 12.5%	4.3%Lowest U.S.: 12.5%
Housing
Homeownersof occupied homes	64.4%Lowest U.S.: 65.2%	94.3%Highest U.S.: 65.2%
Typical home builtmedian year	1981Lowest 1 yr newer than U.S.	1982Highest 2 yrs newer than U.S.
Getting to work
Average commuteone way	19 minHighest 27% below U.S.	19 minLowest 29% below U.S.
Work from home	19.4%±3.5Highest U.S.: 15.1%	10.3%±9.8Lowest U.S.: 15.1%
	Durham and Castle Hill 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	#9 of 120 in NH	—
School district	Oyster River Coop School District	—
High school in town	Oyster River High School	—
Students per teacherat that high school	12.3	—
On TownTapestry
Old photos in History	51 photos →	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.