What stands out worked out from the figures below

Mount Desert has the most expensive homes ($522k median).

Union has the most kids (24.9% 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	Mount Desert	Union
People
Population	1,671Lowest	2,663Highest
Growth since 20102010 → 2020 census	+4.5%Lowest ME: +2.6%	+5.5%Highest ME: +2.6%
Median age	54.9±8.2Highest 23% above ME	41.6±5.3Lowest 7% below ME
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18	14.1%±4.7Lowest ME: 18.1%	24.9%±4Highest ME: 18.1%
Age 65+	29.1%±4.9Highest ME: 22.4%	21.4%±3.1Lowest ME: 22.4%
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	64.4%Highest ME: 36.2%	34.4%Lowest ME: 36.2%
Enrolled in collegeshare of residents	3.9%±4.1Highest ME: 5.8%	3.5%±1.5Lowest ME: 5.8%
	Mount Desert and Union 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 24% above ME	$80,724±$9kLowest 8% above ME
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$522,100±$66kHighest 76% above ME	$267,600±$42kLowest 10% below ME
Rentmedian gross, monthly	$1,341±$89Highest 18% above ME	$1,179±$452Lowest 4% above ME
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$3,512Highest 16% above ME	$3,276Lowest 8% above ME
Renters paying 30%+of income on rent	33.9%±31.5Highest ME: 48.4%	24.6%±19.8Lowest ME: 48.4%
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	7.4%Lowest ME: 10.7%	10.2%Highest ME: 10.7%
Housing
Homeownersof occupied homes	84.8%Lowest ME: 74.3%	85.9%Highest ME: 74.3%
Typical home builtmedian year	1969Lowest 8 yrs older than ME	1979Highest 2 yrs newer than ME
Getting to work
Average commuteone way	18 minLowest 27% below ME	29 minHighest 20% above ME
Work from home	19.1%±9.8Highest ME: 15.9%	15.9%±5.3Lowest ME: 15.9%
	Mount Desert and Union are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district	Mount Desert Public Schools	RSU 40/MSAD 40
High school in town	None in town	None in town
On TownTapestry
Old photos in Our Story	None yet	None yet

ME 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.