What stands out worked out from the figures below

Mount Desert has grown the fastest since 2010 (+4.5%).

Brookline has the most affordable homes ($291k 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	Mount Desert	Brookline
People
Population	1,671Highest	531Lowest
Growth since 20102010 → 2020 census	+4.5%Highest U.S.: +7.4%	+1.9%Lowest U.S.: +7.4%
Median age	54.9±8.2Highest 41% above U.S.	45.1±2.7Lowest 16% above U.S.
	Mount Desert and Brookline are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	14.1%±4.7Lowest U.S.: 22%	20%±6Highest U.S.: 22%
	Brookline and Mount Desert are within the Census margin of error here, so we can’t say which is really higher.
Age 65+	29.1%±4.9Highest U.S.: 17.2%	19.6%±4.2Lowest U.S.: 17.2%
Bachelor’s degree+adults 25+	64.4%Highest U.S.: 35.7%	41.1%Lowest U.S.: 35.7%
Enrolled in collegeshare of residents	3.9%±4.1Highest U.S.: 6.4%	3.2%±1.6Lowest U.S.: 6.4%
	Mount Desert and Brookline are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$92,813±$9kHighest 15% above U.S.	$80,833±$16kLowest about the U.S. average
	Mount Desert and Brookline are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$522,100±$66kHighest 57% above U.S.	$290,700±$37kLowest 13% below U.S.
Rentmedian gross, monthly	$1,341±$89Lowest 5% below U.S.	$1,732±$232Highest 23% above U.S.
Property taxmedian, yearly	$3,512Lowest 13% above U.S.	$5,000Highest 60% above U.S.
Renters paying 30%+of income on rent	33.9%±31.5Lowest U.S.: 51.1%	47.8%±94.7Highest U.S.: 51.1%
	Brookline and Mount Desert are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	7.4%Highest U.S.: 12.5%	6.2%Lowest U.S.: 12.5%
Housing
Homeownersof occupied homes	84.8%Lowest U.S.: 65.2%	84.9%Highest U.S.: 65.2%
Typical home builtmedian year	1969Lowest 11 yrs older than U.S.	1975Highest 5 yrs older than U.S.
Getting to work
Average commuteone way	18 minLowest 32% below U.S.	28 minHighest 8% above U.S.
Work from home	19.1%±9.8Lowest U.S.: 15.1%	20.6%±5.2Highest U.S.: 15.1%
	Brookline and Mount Desert are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district	Mount Desert Public Schools	—
High school in town	None in town	—
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.