Compare towns
Sullivan vs Dover vs Groton
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 highest household income ($107k).
Dover has grown the fastest since 2010 (+9.2%).
Groton has the oldest population (median age 51.1).
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 | Sullivan | Dover | Groton |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 687 |
33,364Highest |
507Lowest |
| Growth since 20102010 → 2020 census | -2.8% NH: +4.6% |
+9.2%Highest NH: +4.6% |
-4%Lowest NH: +4.6% |
| Median age | 46.6±6.5 8% above NH |
36.9±1.9Lowest 15% below NH |
51.1±16.2Highest 18% above NH |
| Groton and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 16.3%±5 NH: 18.2% |
16.9%±1.8Highest NH: 18.2% |
15.4%±4.6Lowest NH: 18.2% |
| Dover and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 20.5%±3.6 NH: 20.1% |
16.8%±1.8Lowest NH: 20.1% |
29.4%±4.8Highest NH: 20.1% |
| Bachelor’s degree+adults 25+ | 28.5%Lowest NH: 40.6% |
52%Highest NH: 40.6% |
29.2% NH: 40.6% |
| Enrolled in collegeshare of residents | 3.9%±2.6 NH: 6% |
6.2%±1.2Highest NH: 6% |
2%±2Lowest NH: 6% |
| Dover 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 |
$94,829±$7k 4% below NH |
$85,625±$21kLowest 14% below NH |
| Sullivan and Dover 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 |
$436,700±$20kHighest 8% above NH |
$269,000±$45k 33% below NH |
| Rentmedian gross, monthly | $1,225±$275Lowest 18% below NH |
$1,607±$100 8% above NH |
$2,667±$295Highest 79% above NH |
| Property taxmedian, yearly | $5,099 24% below NH |
$8,249Highest 24% above NH |
$2,873Lowest 57% below NH |
| Renters paying 30%+of income on rent | 40%±84.5Lowest NH: 48.2% |
48.6%±6.3 NH: 48.2% |
50%±83.6Highest NH: 48.2% |
| Groton and Dover are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 4.1%Lowest NH: 7.2% |
8.3% NH: 7.2% |
10.5%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 93.6%Highest NH: 72.8% |
52.7%Lowest NH: 72.8% |
91.3% NH: 72.8% |
| Typical home builtmedian year | 1979 same as NH |
1976Lowest 3 yrs older than NH |
1984Highest 5 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 32 minHighest 20% above NH |
23 minLowest 15% below NH |
29 min 10% above NH |
| Work from home | 4.2%±2.5Lowest NH: 16.8% |
18.6%±2.5Highest NH: 16.8% |
13.7%±6.5 NH: 16.8% |
| Dover and Groton 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 | — |
| School district | — | Dover School District | — |
| High school in town | — | Dover Senior High School | — |
| 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.


