What stands out worked out from the figures below

Killingworth has the shortest commute (24 min average).

Old Lyme has the most kids (20.3% 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	Killingworth	Old Lyme
People
Population	6,240Lowest	7,679Highest
Median age	53.3±4.6Highest 30% above CT	50.6±3.3Lowest 23% above CT
	Killingworth and Old Lyme are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	18.7%±4.6Lowest CT: 20.2%	20.3%±3.1Highest CT: 20.2%
	Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	25.5%±4.9Lowest CT: 18.5%	26.4%±3.1Highest CT: 18.5%
	Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	55.4%Lowest CT: 42.5%	56.5%Highest CT: 42.5%
Enrolled in collegeshare of residents	3.2%±1.5Highest CT: 7.1%	2.4%±1.2Lowest CT: 7.1%
	Killingworth and Old Lyme are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$140,655±$16kHighest 47% above CT	$131,899±$11kLowest 38% above CT
	Killingworth and Old Lyme are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$446,200±$56kLowest 22% above CT	$484,200±$21kHighest 32% above CT
	Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	—	$2,238±$295 50% above CT
Property taxmedian, yearly	$6,550Highest about the CT average	$6,284Lowest 5% below CT
Renters paying 30%+of income on rent	45.2%±15.8Lowest CT: 52.6%	51.6%±17.2Highest CT: 52.6%
	Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	3%Highest CT: 10%	2.9%Lowest CT: 10%
Housing
Homeownersof occupied homes	96.7%Highest CT: 66.5%	88.8%Lowest CT: 66.5%
Typical home builtmedian year	1987Highest 20 yrs newer than CT	1965Lowest 2 yrs older than CT
Getting to work
Average commuteone way	24 minLowest 10% below CT	27 minHighest about the CT average
Work from home	24%±6.8Lowest CT: 16%	24.2%±5.7Highest CT: 16%
	Old Lyme and Killingworth 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	#29 of 149 in CT	#10 of 149 in CT
School district	Regional School District 17	Regional School District 18
High school in town	None in town	Lyme-Old Lyme High School
Students per teacherat that high school	—	9.6
On TownTapestry
Old photos in History	None yet	None yet

CT 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.