Compare towns

Castle Hill vs Union

Cost, people, housing, commute and schools, side by side, each benchmarked against Maine.

What stands out worked out from the figures below

Castle Hill has the most affordable homes ($145k median).
Union has the most expensive homes ($268k 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.

MeasureCastle HillUnion
People
Population
281Lowest
2,663Highest
Growth since 20102010 → 2020 census —
+5.5%
ME: +2.6%
Median age
57.8±15.8Highest
29% above ME
41.6±5.3Lowest
7% below ME
Castle Hill and Union are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14.2%±5.8Lowest
ME: 18.1%
24.9%±4Highest
ME: 18.1%
Age 65+
44.8%±6.5Highest
ME: 22.4%
21.4%±3.1Lowest
ME: 22.4%
Bachelor’s degree+adults 25+
26.7%Lowest
ME: 36.2%
34.4%Highest
ME: 36.2%
Enrolled in collegeshare of residents
2.1%±5.3Lowest
ME: 5.8%
3.5%±1.5Highest
ME: 5.8%
Union and Castle Hill are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$54,250±$14kLowest
27% below ME
$80,724±$9kHighest
8% above ME
Home valuemedian, owner-occupied
$145,300±$18kLowest
51% below ME
$267,600±$42kHighest
10% below ME
Rentmedian gross, monthly
$950±$574Lowest
17% below ME
$1,179±$452Highest
4% above ME
Union and Castle Hill are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$1,449Lowest
52% below ME
$3,276Highest
8% above ME
Renters paying 30%+of income on rent
75%±100Highest
ME: 48.4%
24.6%±19.8Lowest
ME: 48.4%
Castle Hill and Union are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4.3%Lowest
ME: 10.7%
10.2%Highest
ME: 10.7%
Housing
Homeownersof occupied homes
94.3%Highest
ME: 74.3%
85.9%Lowest
ME: 74.3%
Typical home builtmedian year
1982Highest
5 yrs newer than ME
1979Lowest
2 yrs newer than ME
Getting to work
Average commuteone way
19 minLowest
24% below ME
29 minHighest
20% above ME
Work from home
10.3%±9.8Lowest
ME: 15.9%
15.9%±5.3Highest
ME: 15.9%
Union and Castle Hill are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district — RSU 40/MSAD 40
High school 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.