What stands out worked out from the figures below

Killingly has the most affordable homes ($289k median).

Dartmouth has the most expensive homes ($497k 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	Killingly	Dartmouth
People
Population	17,867Lowest	33,328Highest
Growth since 20102010 → 2020 census	—	-0.7% U.S.: +7.4%
Median age	39.5±3Lowest about the U.S. average	42.5±2Highest 9% above U.S.
	Dartmouth and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	19.8%±2.3Highest U.S.: 22%	14.6%±1.8Lowest U.S.: 22%
Age 65+	19.7%±2.4Lowest U.S.: 17.2%	21%±1.7Highest U.S.: 17.2%
	Dartmouth and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	22.9%Lowest U.S.: 35.7%	39%Highest U.S.: 35.7%
Enrolled in collegeshare of residents	5.4%±1.9Lowest U.S.: 6.4%	14.3%±1.3Highest U.S.: 6.4%
Cost of living
Household incomemedian	$84,350±$8kLowest 4% above U.S.	$99,839±$8kHighest 24% above U.S.
	Dartmouth and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$288,600±$15kLowest 13% below U.S.	$496,500±$20kHighest 49% above U.S.
Rentmedian gross, monthly	$1,044±$141Lowest 26% below U.S.	$1,462±$159Highest 3% above U.S.
Property taxmedian, yearly	$3,922Lowest 26% above U.S.	$4,263Highest 37% above U.S.
Renters paying 30%+of income on rent	42.8%±10.9Lowest U.S.: 51.1%	54%±9.8Highest U.S.: 51.1%
	Dartmouth and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	11.4%Highest U.S.: 12.5%	6.3%Lowest U.S.: 12.5%
Housing
Homeownersof occupied homes	71.6%Lowest U.S.: 65.2%	76%Highest U.S.: 65.2%
Typical home builtmedian year	1968Lowest 12 yrs older than U.S.	1973Highest 7 yrs older than U.S.
Getting to work
Average commuteone way	28 minHighest 6% above U.S.	27 minLowest about the U.S. average
Work from home	11.1%±2.3Lowest U.S.: 15.1%	12.4%±2.1Highest U.S.: 15.1%
	Dartmouth and Killingly 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	#136 of 149 in CT	#115 of 282 in MA
School district	Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS	Dartmouth
High school in town	Killingly High School	Dartmouth High
Students per teacherat that high school	11.1Lowest	11.9Highest
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.