What stands out worked out from the figures below

Belle Terre has grown the fastest since 2010 (+2%).

Roslyn Harbor has the highest household income ($250k).

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	Belle Terre	Roslyn Harbor
People
Population	740Lowest	1,036Highest
Growth since 20102010 → 2020 census	+2%Highest NY: +4.2%	+1.5%Lowest NY: +4.2%
Median age	47.5±6.4Highest 19% above NY	43.9±5.3Lowest 10% above NY
	Belle Terre and Roslyn Harbor are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	20.3%±4.4Lowest NY: 20.5%	24.8%±2.6Highest NY: 20.5%
	Roslyn Harbor and Belle Terre are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	28%±9.9Highest NY: 17.9%	23%±8Lowest NY: 17.9%
	Belle Terre and Roslyn Harbor are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	67.2%Lowest NY: 40.2%	70%Highest NY: 40.2%
Enrolled in collegeshare of residents	8%±3.7Highest NY: 7%	5.9%±4.5Lowest NY: 7%
	Belle Terre and Roslyn Harbor are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$166,111±$19kLowest 93% above NY	$250,001Highest 191% above NY
Home valuemedian, owner-occupied	$1,090,400±$63kLowest 157% above NY	$1,525,000±$318kHighest 260% above NY
Rentmedian gross, monthly	—	$2,308±$527 42% above NY
Property taxmedian, yearly	$10,000+ at least 52% above NY	$10,000+ at least 52% above NY
Renters paying 30%+of income on rent	0%±100Lowest NY: 52.1%	81.3%±100Highest NY: 52.1%
	Roslyn Harbor and Belle Terre are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	4.1%Lowest NY: 14%	9.9%Highest NY: 14%
Housing
Homeownersof occupied homes	97.6%Highest NY: 54.3%	94.7%Lowest NY: 54.3%
Typical home builtmedian year	1964Highest 5 yrs newer than NY	1958Lowest 1 yr older than NY
Getting to work
Average commuteone way	36 minHighest 11% above NY	33 minLowest about the NY average
Work from home	14.9%±10.4Lowest NY: 14.9%	17.6%±7.2Highest NY: 14.9%
	Roslyn Harbor and Belle Terre are within the Census margin of error here, so we can’t say which is really higher.
On TownTapestry
Old photos in History	None yet	None yet

NY 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.