Compare towns
Groton vs Windham 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
Groton has the oldest population (median age 51.1).
Windham has grown the fastest since 2010 (+16.4%).
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 | Groton | Windham | Sullivan |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 507Lowest |
16,038Highest |
687 |
| Growth since 20102010 → 2020 census | -4%Lowest NH: +4.6% |
+16.4%Highest NH: +4.6% |
-2.8% NH: +4.6% |
| Median age | 51.1±16.2Highest 18% above NH |
41.1±2.9Lowest 5% below NH |
46.6±6.5 8% 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 | 15.4%±4.6Lowest NH: 18.2% |
27.4%±3.3Highest NH: 18.2% |
16.3%±5 NH: 18.2% |
| Age 65+ | 29.4%±4.8Highest NH: 20.1% |
15.5%±2.6Lowest NH: 20.1% |
20.5%±3.6 NH: 20.1% |
| Bachelor’s degree+adults 25+ | 29.2% NH: 40.6% |
62.7%Highest NH: 40.6% |
28.5%Lowest NH: 40.6% |
| Enrolled in collegeshare of residents | 2%±2Lowest NH: 6% |
3.8%±1.8 NH: 6% |
3.9%±2.6Highest NH: 6% |
| Sullivan and Windham 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 |
$189,583±$19kHighest 91% above NH |
$106,667±$20k 8% above NH |
| Home valuemedian, owner-occupied | $269,000±$45k 33% below NH |
$723,300±$50kHighest 80% above NH |
$236,500±$29kLowest 41% below NH |
| Rentmedian gross, monthly | $2,667±$295 79% above NH |
$3,218±$350Highest 116% above NH |
$1,225±$275Lowest 18% below NH |
| Windham and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $2,873Lowest 57% below NH |
$10,000+Highest at least 50% above NH |
$5,099 24% below NH |
| Renters paying 30%+of income on rent | 50%±83.6 NH: 48.2% |
52.2%±50.9Highest NH: 48.2% |
40%±84.5Lowest NH: 48.2% |
| Windham and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.5%Highest NH: 7.2% |
2%Lowest NH: 7.2% |
4.1% NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 91.3%Lowest NH: 72.8% |
93.9%Highest NH: 72.8% |
93.6% NH: 72.8% |
| Typical home builtmedian year | 1984 5 yrs newer than NH |
1996Highest 17 yrs newer than NH |
1979Lowest same as NH |
| Getting to work | |||
| Average commuteone way | 29 minLowest 10% above NH |
31 min 15% above NH |
32 minHighest 20% above NH |
| Work from home | 13.7%±6.5 NH: 16.8% |
21.9%±4.4Highest NH: 16.8% |
4.2%±2.5Lowest NH: 16.8% |
| Windham 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 | — | #13 of 120 in NH | — |
| School district | — | Windham School District | — |
| High school in town | — | Windham High School | — |
| Students per teacherat that high school | — | 12.8 |
— |
| 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.