What stands out worked out from the figures below

Somerville has the most renters (65.8% rent).

Arlington has the most kids (20.5% 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	Somerville	Arlington
People
Population	81,036Highest	46,350Lowest
Growth since 20102010 → 2020 census	+7%Lowest MA: +7.4%	+8.1%Highest MA: +7.4%
Median age	31.9±0.6Lowest 20% below MA	41.6±1.3Highest 4% above MA
Kids under 18	9.8%±0.8Lowest MA: 19.4%	20.5%±1.7Highest MA: 19.4%
Age 65+	10%±0.8Lowest MA: 17.9%	17.3%±1.3Highest MA: 17.9%
Bachelor’s degree+adults 25+	69.4%Lowest MA: 47.3%	76.1%Highest MA: 47.3%
Enrolled in collegeshare of residents	12.8%±1.2Highest MA: 7.9%	5%±0.8Lowest MA: 7.9%
Cost of living
Household incomemedian	$132,572±$6kLowest 28% above MA	$150,701±$5kHighest 45% above MA
Home valuemedian, owner-occupied	$911,300±$26kLowest 62% above MA	$933,800±$23kHighest 66% above MA
	Arlington and Somerville are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	$2,517±$64Highest 43% above MA	$2,082±$76Lowest 18% above MA
Property taxmedian, yearly	$6,186Lowest 3% above MA	$9,604Highest 60% above MA
Renters paying 30%+of income on rent	36.2%±2.9Highest MA: 51.8%	35%±4.6Lowest MA: 51.8%
	Somerville and Arlington are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	9.8%Highest MA: 10%	5.4%Lowest MA: 10%
Housing
Homeownersof occupied homes	34.2%Lowest MA: 62.5%	61.6%Highest MA: 62.5%
Typical home builtmedian year	1938Lowest 26 yrs older than MA	1945Highest 19 yrs older than MA
Getting to work
Average commuteone way	31 minLowest 7% above MA	32 minHighest 11% above MA
Work from home	31.3%±2.2Lowest MA: 18.6%	34.5%±2.8Highest MA: 18.6%
	Arlington and Somerville 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	#225 of 282 in MA	#29 of 282 in MA
School district	Somerville	—
High school in town	Somerville High	—
Students per teacherat that high school	11.2	—
On TownTapestry
Old photos in History	None yet	None yet

MA 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.