Compare towns
Grantham vs Sullivan vs Marlow
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Grantham has grown the fastest since 2010 (+14%).
Sullivan has the most affordable homes ($237k median).
Marlow has the most kids (20.5% under 18).
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 | Grantham | Sullivan | Marlow |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 3,465Highest |
687Lowest |
855 |
| Growth since 20102010 → 2020 census | +14%Highest NH: +4.6% |
-2.8%Lowest NH: +4.6% |
+0.9% NH: +4.6% |
| Median age | 50.4±7.5 16% above NH |
46.6±6.5Lowest 8% above NH |
52.8±11.7Highest 22% above NH |
| Marlow and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.1%±6.6 NH: 18.2% |
16.3%±5Lowest NH: 18.2% |
20.5%±6.3Highest NH: 18.2% |
| Marlow and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17%±6.9Lowest NH: 20.1% |
20.5%±3.6 NH: 20.1% |
30.5%±5.7Highest NH: 20.1% |
| Bachelor’s degree+adults 25+ | 59.6%Highest NH: 40.6% |
28.5%Lowest NH: 40.6% |
33.4% NH: 40.6% |
| Enrolled in collegeshare of residents | 4.8%±6Highest NH: 6% |
3.9%±2.6 NH: 6% |
3.3%±2.2Lowest NH: 6% |
| Grantham and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $106,403±$54kLowest 7% above NH |
$106,667±$20k 8% above NH |
$110,455±$12kHighest 12% above NH |
| Marlow and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $343,100±$39kHighest 15% below NH |
$236,500±$29kLowest 41% below NH |
$325,400±$49k 19% below NH |
| Grantham and Marlow are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | — | $1,225±$275Highest 18% below NH |
$1,154±$160Lowest 23% below NH |
| Sullivan and Marlow are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $7,605Highest 14% above NH |
$5,099Lowest 24% below NH |
$5,826 13% below NH |
| Renters paying 30%+of income on rent | — | 40%±84.5Highest NH: 48.2% |
18.2%±95.1Lowest NH: 48.2% |
| Sullivan and Marlow are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 0%Lowest NH: 7.2% |
4.1% NH: 7.2% |
8.9%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 100%Highest NH: 72.8% |
93.6% NH: 72.8% |
92.6%Lowest NH: 72.8% |
| Typical home builtmedian year | 1987Highest 8 yrs newer than NH |
1979Lowest same as NH |
1981 2 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 23 minLowest 16% below NH |
32 min 20% above NH |
35 minHighest 31% above NH |
| Work from home | 13.8%±6.2Highest NH: 16.8% |
4.2%±2.5 NH: 16.8% |
0.8%±1.1Lowest NH: 16.8% |
| Schools | |||
| Public school scoresrank in state, math + reading | #6 of 120 in NH | — | — |
| School district | Grantham School District | — | Marlow School District |
| High school in town | None in town | — | None in town |
| 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.