Compare towns

Windham vs Sullivan vs Dover vs Londonderry

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

What stands out worked out from the figures below

Windham has grown the fastest since 2010 (+16.4%).
Sullivan has the most affordable homes ($237k median).
Dover has the most renters (47.3% rent).
Londonderry has the most people working from home (22.8%).

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.

MeasureWindhamSullivanDoverLondonderry
People
Population
16,038
687Lowest
33,364Highest
26,685
Growth since 20102010 → 2020 census
+16.4%Highest
NH: +4.6%
-2.8%Lowest
NH: +4.6%
+9.2%
NH: +4.6%
+7%
NH: +4.6%
Median age
41.1±2.9
5% below NH
46.6±6.5Highest
8% above NH
36.9±1.9Lowest
15% below NH
42.7±0.9
about the NH average
Sullivan and Londonderry are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
27.4%±3.3Highest
NH: 18.2%
16.3%±5Lowest
NH: 18.2%
16.9%±1.8
NH: 18.2%
20.6%±2.1
NH: 18.2%
Age 65+
15.5%±2.6Lowest
NH: 20.1%
20.5%±3.6Highest
NH: 20.1%
16.8%±1.8
NH: 20.1%
16.4%±1.9
NH: 20.1%
Sullivan and Dover are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
62.7%Highest
NH: 40.6%
28.5%Lowest
NH: 40.6%
52%
NH: 40.6%
47.6%
NH: 40.6%
Enrolled in collegeshare of residents
3.8%±1.8Lowest
NH: 6%
3.9%±2.6
NH: 6%
6.2%±1.2Highest
NH: 6%
4.8%±1
NH: 6%
Dover and Londonderry are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$189,583±$19kHighest
91% above NH
$106,667±$20k
8% above NH
$94,829±$7kLowest
4% below NH
$132,556±$14k
34% above NH
Home valuemedian, owner-occupied
$723,300±$50kHighest
80% above NH
$236,500±$29kLowest
41% below NH
$436,700±$20k
8% above NH
$505,200±$20k
26% above NH
Rentmedian gross, monthly
$3,218±$350Highest
116% above NH
$1,225±$275Lowest
18% below NH
$1,607±$100
8% above NH
$1,803±$154
21% above NH
Property taxmedian, yearly
$10,000+Highest
at least 50% above NH
$5,099Lowest
24% below NH
$8,249
24% above NH
$8,069
21% above NH
Renters paying 30%+of income on rent
52.2%±50.9Highest
NH: 48.2%
40%±84.5Lowest
NH: 48.2%
48.6%±6.3
NH: 48.2%
48.9%±7.8
NH: 48.2%
Windham and Londonderry are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
2%Lowest
NH: 7.2%
4.1%
NH: 7.2%
8.3%Highest
NH: 7.2%
2.7%
NH: 7.2%
Housing
Homeownersof occupied homes
93.9%Highest
NH: 72.8%
93.6%
NH: 72.8%
52.7%Lowest
NH: 72.8%
85.6%
NH: 72.8%
Typical home builtmedian year
1996Highest
17 yrs newer than NH
1979
same as NH
1976Lowest
3 yrs older than NH
1986
7 yrs newer than NH
Getting to work
Average commuteone way
31 min
15% above NH
32 minHighest
20% above NH
23 minLowest
15% below NH
29 min
7% above NH
Work from home
21.9%±4.4
NH: 16.8%
4.2%±2.5Lowest
NH: 16.8%
18.6%±2.5
NH: 16.8%
22.8%±2.7Highest
NH: 16.8%
Londonderry and Windham 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 #13 of 120 in NH — #64 of 120 in NH #37 of 120 in NH
School district Windham School District — Dover School District Londonderry School District
High school in town Windham High School — Dover Senior High School Londonderry Senior High School
Students per teacherat that high school
12.8Highest
—
12.7
12.0Lowest
On TownTapestry
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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.