Compare towns
Swanzey vs Seabrook vs Marlborough
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Swanzey has the most homeowners (71.7%).
Seabrook has the most expensive homes ($444k median).
Marlborough has grown the fastest since 2010 (+1.6%).
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 | Swanzey | Seabrook | Marlborough |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 7,398 |
8,427Highest |
2,207Lowest |
| Growth since 20102010 → 2020 census | +0.6% NH: +4.6% |
-3.4%Lowest NH: +4.6% |
+1.6%Highest NH: +4.6% |
| Median age | 50±3.1 15% above NH |
54±1.9Highest 25% above NH |
46±9.2Lowest 6% above NH |
| Seabrook and Swanzey are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 18%±3.2 NH: 18.2% |
14.8%±3.1Lowest NH: 18.2% |
23.5%±5.7Highest NH: 18.2% |
| Marlborough and Swanzey are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 24.2%±4.2 NH: 20.1% |
31.5%±5Highest NH: 20.1% |
23.7%±1.7Lowest NH: 20.1% |
| Seabrook and Swanzey are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 30.2% NH: 40.6% |
27.5%Lowest NH: 40.6% |
39.5%Highest NH: 40.6% |
| Enrolled in collegeshare of residents | 3.4%±2Highest NH: 6% |
2.9%±1.3 NH: 6% |
1.5%±1.7Lowest NH: 6% |
| Swanzey and Seabrook are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $81,595±$11k 18% below NH |
$84,349±$15kHighest 15% below NH |
$69,032±$9kLowest 30% below NH |
| Seabrook and Swanzey are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $259,200±$15kLowest 36% below NH |
$443,500±$40kHighest 10% above NH |
$267,200±$35k 34% below NH |
| Rentmedian gross, monthly | $1,508±$303 about the NH average |
$1,542±$174Highest 3% above NH |
$1,133±$323Lowest 24% below NH |
| Seabrook and Swanzey are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $5,558Lowest 17% below NH |
$5,785 13% below NH |
$6,362Highest 5% below NH |
| Renters paying 30%+of income on rent | 67.7%±19.4Highest NH: 48.2% |
50.4%±10Lowest NH: 48.2% |
50.4%±25.3Lowest NH: 48.2% |
| Swanzey and Seabrook are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 7.8%Lowest NH: 7.2% |
12.1% NH: 7.2% |
13.2%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 71.7%Highest NH: 72.8% |
68.2% NH: 72.8% |
68.1%Lowest NH: 72.8% |
| Typical home builtmedian year | 1978 1 yr older than NH |
1986Highest 7 yrs newer than NH |
1976Lowest 3 yrs older than NH |
| Getting to work | |||
| Average commuteone way | 24 minHighest 9% below NH |
21 minLowest 22% below NH |
21 min 21% below NH |
| Work from home | 9.3%±4Lowest NH: 16.8% |
10.5%±3.7 NH: 16.8% |
12.3%±6.7Highest NH: 16.8% |
| Marlborough and Seabrook 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 | #102 of 120 in NH | #114 of 120 in NH | — |
| School district | Monadnock Regional School District | Seabrook School District | Marlborough School District |
| High school in town | Monadnock Regional High School | None in town | None in town |
| 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.