Compare towns
Groton vs Sullivan vs Dorchester
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Groton has the most expensive homes ($269k median).
Sullivan has the youngest population (median age 46.6).
Dorchester has the most affordable homes ($140k 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 | Groton | Sullivan | Dorchester |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 507 |
687Highest |
410Lowest |
| Growth since 20102010 → 2020 census | -4%Lowest NH: +4.6% |
-2.8%Highest NH: +4.6% |
— |
| Median age | 51.1±16.2 18% above NH |
46.6±6.5Lowest 8% above NH |
56±10.5Highest 29% above NH |
| Dorchester and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 15.4%±4.6 NH: 18.2% |
16.3%±5Highest NH: 18.2% |
11.2%±4.4Lowest NH: 18.2% |
| Sullivan and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 29.4%±4.8 NH: 20.1% |
20.5%±3.6Lowest NH: 20.1% |
39.8%±15.5Highest NH: 20.1% |
| Dorchester and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 29.2% NH: 40.6% |
28.5%Lowest NH: 40.6% |
35.8%Highest NH: 40.6% |
| Enrolled in collegeshare of residents | 2%±2 NH: 6% |
3.9%±2.6Highest NH: 6% |
0.5%±3.1Lowest NH: 6% |
| Sullivan and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $85,625±$21kLowest 14% below NH |
$106,667±$20kHighest 8% above NH |
— |
| Sullivan and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $269,000±$45kHighest 33% below NH |
$236,500±$29k 41% below NH |
$139,600±$133kLowest 65% below NH |
| Groton and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $2,667±$295Highest 79% above NH |
$1,225±$275Lowest 18% below NH |
— |
| Property taxmedian, yearly | $2,873Lowest 57% below NH |
$5,099Highest 24% below NH |
$3,779 43% below NH |
| Renters paying 30%+of income on rent | 50%±83.6Highest NH: 48.2% |
40%±84.5 NH: 48.2% |
0%±100Lowest NH: 48.2% |
| Groton and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.5% NH: 7.2% |
4.1%Lowest NH: 7.2% |
18.6%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 91.3%Lowest NH: 72.8% |
93.6% NH: 72.8% |
96.3%Highest NH: 72.8% |
| Typical home builtmedian year | 1984Highest 5 yrs newer than NH |
1979 same as NH |
1973Lowest 6 yrs older than NH |
| Getting to work | |||
| Average commuteone way | 29 minLowest 10% above NH |
32 min 20% above NH |
40 minHighest 50% above NH |
| Work from home | 13.7%±6.5Highest NH: 16.8% |
4.2%±2.5Lowest NH: 16.8% |
12.2%±8.8 NH: 16.8% |
| Groton and Dorchester are within the Census margin of error here, so we can’t say which is really higher. | |||
| 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.


