Compare towns
Gilmanton vs Castleton vs Alton
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Gilmanton has the most homeowners (99.2%).
Castleton has the shortest commute (19 min average).
Alton has grown the fastest since 2010 (+12.3%).
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 | Gilmanton | Castleton | Alton |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 4,026Lowest |
4,453 |
5,994Highest |
| Growth since 20102010 → 2020 census | +4.4% U.S.: +7.4% |
-5.5%Lowest U.S.: +7.4% |
+12.3%Highest U.S.: +7.4% |
| Median age | 45±4.4 16% above U.S. |
38.3±4.3Lowest about the U.S. average |
53.7±3.2Highest 38% above U.S. |
| Kids under 18 | 17.5%±6.4 U.S.: 22% |
18.8%±6.4Highest U.S.: 22% |
13.4%±4Lowest U.S.: 22% |
| Castleton and Gilmanton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17.2%±4.4Lowest U.S.: 17.2% |
20.7%±4.6 U.S.: 17.2% |
25.1%±4.5Highest U.S.: 17.2% |
| Alton and Castleton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 37.9%Highest U.S.: 35.7% |
37.9%Highest U.S.: 35.7% |
35.8%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 4.2%±2.8 U.S.: 6.4% |
19.3%±1.8Highest U.S.: 6.4% |
0.8%±0.8Lowest U.S.: 6.4% |
| Cost of living | |||
| Household incomemedian | $117,088±$9kHighest 45% above U.S. |
$73,854±$23kLowest 9% below U.S. |
$113,715±$19k 41% above U.S. |
| Gilmanton and Alton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $363,700±$42k 9% above U.S. |
$224,800±$71kLowest 32% below U.S. |
$430,400±$37kHighest 29% above U.S. |
| Alton and Gilmanton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,125±$421Lowest 20% below U.S. |
$1,137±$195Highest 20% below U.S. |
— |
| Castleton and Gilmanton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $6,235Highest 100% above U.S. |
$3,167Lowest about the U.S. average |
$4,183 34% above U.S. |
| Renters paying 30%+of income on rent | 57.1%±100 U.S.: 51.1% |
67.7%±21.9Highest U.S.: 51.1% |
31.7%±27.7Lowest U.S.: 51.1% |
| Castleton and Gilmanton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 4%Lowest U.S.: 12.5% |
12.5%Highest U.S.: 12.5% |
4.1% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 99.2%Highest U.S.: 65.2% |
79%Lowest U.S.: 65.2% |
93.7% U.S.: 65.2% |
| Typical home builtmedian year | 1981Highest 1 yr newer than U.S. |
1974Lowest 6 yrs older than U.S. |
1974Lowest 6 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 33 min 25% above U.S. |
19 minLowest 27% below U.S. |
33 minHighest 25% above U.S. |
| Work from home | 8.3%±5 U.S.: 15.1% |
6.2%±3.9Lowest U.S.: 15.1% |
13.1%±5.2Highest U.S.: 15.1% |
| Alton and Gilmanton 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 | #25 of 120 in NH | #39 of 70 in VT | #72 of 120 in NH |
| School district | Gilmanton School District | Slate Valley Unified Union School District #62 | Prospect Mountain JMA School District · Alton School District |
| High school in town | None in town | None in town | Prospect Mountain High School |
| Students per teacherat that high school | — | — | 11.1 |
| On TownTapestry | |||
| Old photos in History | None yet | 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.


