Compare towns

Dover vs Grantham vs Sullivan

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

What stands out worked out from the figures below

Dover has the most renters (47.3% rent).
Grantham has grown the fastest since 2010 (+14%).
Sullivan has the most affordable homes ($237k 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.

MeasureDoverGranthamSullivan
People
Population
33,364Highest
3,465
687Lowest
Growth since 20102010 → 2020 census
+9.2%
NH: +4.6%
+14%Highest
NH: +4.6%
-2.8%Lowest
NH: +4.6%
Median age
36.9±1.9Lowest
15% below NH
50.4±7.5Highest
16% above NH
46.6±6.5
8% 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
16.9%±1.8
NH: 18.2%
19.1%±6.6Highest
NH: 18.2%
16.3%±5Lowest
NH: 18.2%
Grantham and Dover are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.8%±1.8Lowest
NH: 20.1%
17%±6.9
NH: 20.1%
20.5%±3.6Highest
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+
52%
NH: 40.6%
59.6%Highest
NH: 40.6%
28.5%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
6.2%±1.2Highest
NH: 6%
4.8%±6
NH: 6%
3.9%±2.6Lowest
NH: 6%
Dover and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$94,829±$7kLowest
4% below NH
$106,403±$54k
7% above NH
$106,667±$20kHighest
8% 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
$436,700±$20kHighest
8% above NH
$343,100±$39k
15% below NH
$236,500±$29kLowest
41% below NH
Rentmedian gross, monthly
$1,607±$100Highest
8% above NH
—
$1,225±$275Lowest
18% below NH
Property taxmedian, yearly
$8,249Highest
24% above NH
$7,605
14% above NH
$5,099Lowest
24% below NH
Renters paying 30%+of income on rent
48.6%±6.3Highest
NH: 48.2%
—
40%±84.5Lowest
NH: 48.2%
Dover and Sullivan are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
8.3%Highest
NH: 7.2%
0%Lowest
NH: 7.2%
4.1%
NH: 7.2%
Housing
Homeownersof occupied homes
52.7%Lowest
NH: 72.8%
100%Highest
NH: 72.8%
93.6%
NH: 72.8%
Typical home builtmedian year
1976Lowest
3 yrs older than NH
1987Highest
8 yrs newer than NH
1979
same as NH
Getting to work
Average commuteone way
23 min
15% below NH
23 minLowest
16% below NH
32 minHighest
20% above NH
Work from home
18.6%±2.5Highest
NH: 16.8%
13.8%±6.2
NH: 16.8%
4.2%±2.5Lowest
NH: 16.8%
Dover and Grantham 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 #64 of 120 in NH #6 of 120 in NH —
School district Dover School District Grantham School District —
High school in town Dover Senior High School None in town —
Students per teacherat that high school
12.7
— —
On TownTapestry
Old photos in Our Story None yet 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.