Compare towns
Plainfield vs Seabrook vs Grantham
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Plainfield has the most people working from home (18.1%).
Seabrook has the most renters (31.8% rent).
Grantham has grown the fastest since 2010 (+14%).
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 | Plainfield | Seabrook | Grantham |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 2,522Lowest |
8,427Highest |
3,465 |
| Growth since 20102010 → 2020 census | +4% NH: +4.6% |
-3.4%Lowest NH: +4.6% |
+14%Highest NH: +4.6% |
| Median age | 38.9±6.5Lowest 10% below NH |
54±1.9Highest 25% above NH |
50.4±7.5 16% above NH |
| Seabrook and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 23.4%±5.8Highest NH: 18.2% |
14.8%±3.1Lowest NH: 18.2% |
19.1%±6.6 NH: 18.2% |
| Plainfield and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 19.8%±4.5 NH: 20.1% |
31.5%±5Highest NH: 20.1% |
17%±6.9Lowest NH: 20.1% |
| Bachelor’s degree+adults 25+ | 46.7% NH: 40.6% |
27.5%Lowest NH: 40.6% |
59.6%Highest NH: 40.6% |
| Enrolled in collegeshare of residents | 4.8%±2.3Highest NH: 6% |
2.9%±1.3Lowest NH: 6% |
4.8%±6Highest NH: 6% |
| Cost of living | |||
| Household incomemedian | $122,656±$13kHighest 24% above NH |
$84,349±$15kLowest 15% below NH |
$106,403±$54k 7% above NH |
| Plainfield and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $442,400±$47k 10% above NH |
$443,500±$40kHighest 10% above NH |
$343,100±$39kLowest 15% below NH |
| Seabrook and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,674±$181Highest 12% above NH |
$1,542±$174Lowest 3% above NH |
— |
| Plainfield and Seabrook are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $7,904Highest 19% above NH |
$5,785Lowest 13% below NH |
$7,605 14% above NH |
| Renters paying 30%+of income on rent | 31.8%±23.1Lowest NH: 48.2% |
50.4%±10Highest NH: 48.2% |
— |
| Seabrook and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 5.2% NH: 7.2% |
12.1%Highest NH: 7.2% |
0%Lowest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 87.3% NH: 72.8% |
68.2%Lowest NH: 72.8% |
100%Highest NH: 72.8% |
| Typical home builtmedian year | 1977Lowest 2 yrs older than NH |
1986 7 yrs newer than NH |
1987Highest 8 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 22 min 18% below NH |
21 minLowest 22% below NH |
23 minHighest 16% below NH |
| Work from home | 18.1%±8.5Highest NH: 16.8% |
10.5%±3.7Lowest NH: 16.8% |
13.8%±6.2 NH: 16.8% |
| Plainfield and Grantham 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 | #19 of 120 in NH | #114 of 120 in NH | #6 of 120 in NH |
| School district | Plainfield School District | Seabrook School District | Grantham School District |
| High school in town | None 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.