Compare towns
Dover vs Sullivan 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
Dover has the most renters (47.3% rent).
Sullivan has the most affordable homes ($237k median).
Londonderry has the highest household income ($133k).
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 | Dover | Sullivan | Londonderry |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 33,364Highest |
687Lowest |
26,685 |
| Growth since 20102010 → 2020 census | +9.2%Highest NH: +4.6% |
-2.8%Lowest NH: +4.6% |
+7% NH: +4.6% |
| Median age | 36.9±1.9Lowest 15% below NH |
46.6±6.5Highest 8% above 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 | 16.9%±1.8 NH: 18.2% |
16.3%±5Lowest NH: 18.2% |
20.6%±2.1Highest NH: 18.2% |
| Londonderry and Dover are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 16.8%±1.8 NH: 20.1% |
20.5%±3.6Highest NH: 20.1% |
16.4%±1.9Lowest 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+ | 52%Highest NH: 40.6% |
28.5%Lowest NH: 40.6% |
47.6% NH: 40.6% |
| Enrolled in collegeshare of residents | 6.2%±1.2Highest NH: 6% |
3.9%±2.6Lowest 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 | $94,829±$7kLowest 4% below NH |
$106,667±$20k 8% above NH |
$132,556±$14kHighest 34% above NH |
| Londonderry and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $436,700±$20k 8% above NH |
$236,500±$29kLowest 41% below NH |
$505,200±$20kHighest 26% above NH |
| Rentmedian gross, monthly | $1,607±$100 8% above NH |
$1,225±$275Lowest 18% below NH |
$1,803±$154Highest 21% above NH |
| Londonderry and Dover are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $8,249Highest 24% above NH |
$5,099Lowest 24% below NH |
$8,069 21% above NH |
| Renters paying 30%+of income on rent | 48.6%±6.3 NH: 48.2% |
40%±84.5Lowest NH: 48.2% |
48.9%±7.8Highest NH: 48.2% |
| Londonderry and Dover 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% |
4.1% NH: 7.2% |
2.7%Lowest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 52.7%Lowest NH: 72.8% |
93.6%Highest NH: 72.8% |
85.6% NH: 72.8% |
| Typical home builtmedian year | 1976Lowest 3 yrs older than NH |
1979 same as NH |
1986Highest 7 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 23 minLowest 15% below NH |
32 minHighest 20% above NH |
29 min 7% above NH |
| Work from home | 18.6%±2.5 NH: 16.8% |
4.2%±2.5Lowest NH: 16.8% |
22.8%±2.7Highest NH: 16.8% |
| Londonderry and Dover 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 | — | #37 of 120 in NH |
| School district | Dover School District | — | Londonderry School District |
| High school in town | Dover Senior High School | — | Londonderry Senior High School |
| Students per teacherat that high school | 12.7Highest |
— | 12.0Lowest |
| 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.