Compare towns
Dover vs Londonderry 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).
Londonderry has the highest household income ($133k).
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.
| Measure | Dover | Londonderry | Sullivan |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 33,364Highest |
26,685 |
687Lowest |
| Growth since 20102010 → 2020 census | +9.2%Highest NH: +4.6% |
+7% NH: +4.6% |
-2.8%Lowest NH: +4.6% |
| Median age | 36.9±1.9Lowest 15% below NH |
42.7±0.9 about the NH average |
46.6±6.5Highest 8% above NH |
| 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% |
20.6%±2.1Highest NH: 18.2% |
16.3%±5Lowest 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% |
16.4%±1.9Lowest NH: 20.1% |
20.5%±3.6Highest 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% |
47.6% NH: 40.6% |
28.5%Lowest NH: 40.6% |
| Enrolled in collegeshare of residents | 6.2%±1.2Highest NH: 6% |
4.8%±1 NH: 6% |
3.9%±2.6Lowest 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 |
$132,556±$14kHighest 34% above NH |
$106,667±$20k 8% 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 |
$505,200±$20kHighest 26% above NH |
$236,500±$29kLowest 41% below NH |
| Rentmedian gross, monthly | $1,607±$100 8% above NH |
$1,803±$154Highest 21% above NH |
$1,225±$275Lowest 18% below 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 |
$8,069 21% above NH |
$5,099Lowest 24% below NH |
| Renters paying 30%+of income on rent | 48.6%±6.3 NH: 48.2% |
48.9%±7.8Highest NH: 48.2% |
40%±84.5Lowest 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% |
2.7%Lowest NH: 7.2% |
4.1% NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 52.7%Lowest NH: 72.8% |
85.6% NH: 72.8% |
93.6%Highest NH: 72.8% |
| Typical home builtmedian year | 1976Lowest 3 yrs older than NH |
1986Highest 7 yrs newer than NH |
1979 same as NH |
| Getting to work | |||
| Average commuteone way | 23 minLowest 15% below NH |
29 min 7% above NH |
32 minHighest 20% above NH |
| Work from home | 18.6%±2.5 NH: 16.8% |
22.8%±2.7Highest NH: 16.8% |
4.2%±2.5Lowest 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.