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

