Compare towns

Plainfield vs Exeter 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

Plainfield has the most kids (23.4% under 18).
Exeter has grown the fastest since 2010 (+12.2%).
Seabrook has the oldest population (median age 54).

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.

MeasurePlainfieldExeterSeabrook
People
Population
2,522Lowest
16,151Highest
8,427
Growth since 20102010 → 2020 census
+4%
NH: +4.6%
+12.2%Highest
NH: +4.6%
-3.4%Lowest
NH: +4.6%
Median age
38.9±6.5Lowest
10% below NH
45.8±2.3
6% above NH
54±1.9Highest
25% above NH
Kids under 18
23.4%±5.8Highest
NH: 18.2%
17%±2.7
NH: 18.2%
14.8%±3.1Lowest
NH: 18.2%
Plainfield and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.8%±4.5Lowest
NH: 20.1%
24.4%±2.8
NH: 20.1%
31.5%±5Highest
NH: 20.1%
Seabrook and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
46.7%
NH: 40.6%
59.2%Highest
NH: 40.6%
27.5%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
4.8%±2.3
NH: 6%
6.1%±1.8Highest
NH: 6%
2.9%±1.3Lowest
NH: 6%
Exeter and Plainfield are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$122,656±$13kHighest
24% above NH
$110,346±$13k
11% above NH
$84,349±$15kLowest
15% below NH
Plainfield and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$442,400±$47kLowest
10% above NH
$456,600±$21kHighest
13% above NH
$443,500±$40k
10% above NH
Exeter and Seabrook are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,674±$181
12% above NH
$1,856±$223Highest
24% above NH
$1,542±$174Lowest
3% above NH
Exeter and Plainfield are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$7,904
19% above NH
$8,814Highest
32% above NH
$5,785Lowest
13% below NH
Renters paying 30%+of income on rent
31.8%±23.1Lowest
NH: 48.2%
59%±11.3Highest
NH: 48.2%
50.4%±10
NH: 48.2%
Exeter and Seabrook 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%
4.7%Lowest
NH: 7.2%
12.1%Highest
NH: 7.2%
Housing
Homeownersof occupied homes
87.3%Highest
NH: 72.8%
69.1%
NH: 72.8%
68.2%Lowest
NH: 72.8%
Typical home builtmedian year
1977Lowest
2 yrs older than NH
1979
same as NH
1986Highest
7 yrs newer than NH
Getting to work
Average commuteone way
22 min
18% below NH
25 minHighest
7% below NH
21 minLowest
22% below NH
Work from home
18.1%±8.5
NH: 16.8%
19.9%±3.7Highest
NH: 16.8%
10.5%±3.7Lowest
NH: 16.8%
Exeter and Plainfield 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 #22 of 120 in NH #114 of 120 in NH
School district Plainfield School District Exeter Region Cooperative School District · Exeter School District Seabrook School District
High school in town None in town Exeter High School None in town
Students per teacherat that high school —
12.1
—
On TownTapestry
Old photos in Our Story None yet 59 photos → 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.