Compare towns
Castle Hill vs Mapleton vs Tremont 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 oldest population (median age 57.8).
Mapleton has the highest household income ($92k).
Tremont has the most expensive homes ($407k 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.
| Measure | Castle Hill | Mapleton | Tremont | Union |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 281Lowest |
1,884 |
1,508 |
2,663Highest |
| Growth since 20102010 → 2020 census | — | -3.2%Lowest ME: +2.6% |
-1.2% ME: +2.6% |
+5.5%Highest ME: +2.6% |
| Median age | 57.8±15.8Highest 29% above ME |
41.8±6 7% below ME |
45.6±8.5 about the ME average |
41.6±5.3Lowest 7% below ME |
| Castle Hill and Tremont 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% |
22.2%±5.1 ME: 18.1% |
20.2%±4.9 ME: 18.1% |
24.9%±4Highest ME: 18.1% |
| Union and Mapleton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 44.8%±6.5Highest ME: 22.4% |
18.3%±3.1Lowest ME: 22.4% |
21.4%±4.1 ME: 22.4% |
21.4%±3.1 ME: 22.4% |
| Bachelor’s degree+adults 25+ | 26.7%Lowest ME: 36.2% |
34.3% ME: 36.2% |
44.4%Highest ME: 36.2% |
34.4% ME: 36.2% |
| Enrolled in collegeshare of residents | 2.1%±5.3Lowest ME: 5.8% |
5%±2.9Highest ME: 5.8% |
4%±1.9 ME: 5.8% |
3.5%±1.5 ME: 5.8% |
| Mapleton and Tremont 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 |
$91,731±$25kHighest 23% above ME |
$88,803±$8k 19% above ME |
$80,724±$9k 8% above ME |
| Mapleton and Tremont are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $145,300±$18kLowest 51% below ME |
$191,800±$23k 35% below ME |
$407,000±$32kHighest 37% above ME |
$267,600±$42k 10% below ME |
| Rentmedian gross, monthly | $950±$574 17% below ME |
$610±$277Lowest 46% below ME |
$1,217±$406Highest 7% above ME |
$1,179±$452 4% above ME |
| Tremont and Union 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 |
$1,789 41% below ME |
$2,822 7% below ME |
$3,276Highest 8% above ME |
| Renters paying 30%+of income on rent | 75%±100Highest ME: 48.4% |
16.7%±10.5Lowest ME: 48.4% |
32.1%±21.2 ME: 48.4% |
24.6%±19.8 ME: 48.4% |
| Castle Hill and Tremont 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% |
8.9% ME: 10.7% |
6.6% ME: 10.7% |
10.2%Highest ME: 10.7% |
| Housing | ||||
| Homeownersof occupied homes | 94.3%Highest ME: 74.3% |
79.9% ME: 74.3% |
76.3%Lowest ME: 74.3% |
85.9% ME: 74.3% |
| Typical home builtmedian year | 1982 5 yrs newer than ME |
1977Lowest same as ME |
1986Highest 9 yrs newer than ME |
1979 2 yrs newer than ME |
| Getting to work | ||||
| Average commuteone way | 19 minLowest 24% below ME |
28 min 13% above ME |
24 min 4% below ME |
29 minHighest 20% above ME |
| Work from home | 10.3%±9.8Lowest ME: 15.9% |
10.8%±3.8 ME: 15.9% |
20.9%±6.7Highest ME: 15.9% |
15.9%±5.3 ME: 15.9% |
| Tremont and Union are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Schools | ||||
| School district | — | RSU 79/MSAD 01 | Tremont Public Schools | RSU 40/MSAD 40 |
| High school in town | — | None in town | None in town | None in town |
| On TownTapestry | ||||
| Old photos in Our Story | None yet | None yet | 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.


