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.

MeasureGilmantonCastletonAlton
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.