Compare towns

Sullivan vs Grantham

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

What stands out worked out from the figures below

Sullivan has the most affordable homes ($237k median).
Grantham has grown the fastest since 2010 (+14%).

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.

MeasureSullivanGrantham
People
Population
687Lowest
3,465Highest
Growth since 20102010 → 2020 census
-2.8%Lowest
NH: +4.6%
+14%Highest
NH: +4.6%
Median age
46.6±6.5Lowest
8% above NH
50.4±7.5Highest
16% above NH
Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
16.3%±5Lowest
NH: 18.2%
19.1%±6.6Highest
NH: 18.2%
Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
20.5%±3.6Highest
NH: 20.1%
17%±6.9Lowest
NH: 20.1%
Sullivan and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
28.5%Lowest
NH: 40.6%
59.6%Highest
NH: 40.6%
Enrolled in collegeshare of residents
3.9%±2.6Lowest
NH: 6%
4.8%±6Highest
NH: 6%
Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,667±$20kHighest
8% above NH
$106,403±$54kLowest
7% above NH
Sullivan and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$236,500±$29kLowest
41% below NH
$343,100±$39kHighest
15% below NH
Rentmedian gross, monthly
$1,225±$275
18% below NH
—
Property taxmedian, yearly
$5,099Lowest
24% below NH
$7,605Highest
14% above NH
Renters paying 30%+of income on rent
40%±84.5
NH: 48.2%
—
Below poverty line
4.1%Highest
NH: 7.2%
0%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
93.6%Lowest
NH: 72.8%
100%Highest
NH: 72.8%
Typical home builtmedian year
1979Lowest
same as NH
1987Highest
8 yrs newer than NH
Getting to work
Average commuteone way
32 minHighest
20% above NH
23 minLowest
16% below NH
Work from home
4.2%±2.5Lowest
NH: 16.8%
13.8%±6.2Highest
NH: 16.8%
Schools
Public school scoresrank in state, math + reading — #6 of 120 in NH
School district — Grantham School District
High school in town — None in town
On TownTapestry
Old photos in Our Story None yet None yet

NH 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.