Compare towns

Portsmouth vs Grantham vs Exeter

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

Portsmouth has the most expensive homes ($689k median).
Grantham has the most homeowners (100%).
Exeter has the highest household income ($110k).

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.

MeasurePortsmouthGranthamExeter
People
Population
22,545Highest
3,465Lowest
16,151
Growth since 20102010 → 2020 census
+5.7%Lowest
NH: +4.6%
+14%Highest
NH: +4.6%
+12.2%
NH: +4.6%
Median age
42.9±2Lowest
about the NH average
50.4±7.5Highest
16% above NH
45.8±2.3
6% above NH
Grantham and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14%±1.9Lowest
NH: 18.2%
19.1%±6.6Highest
NH: 18.2%
17%±2.7
NH: 18.2%
Grantham and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.9%±2.4
NH: 20.1%
17%±6.9Lowest
NH: 20.1%
24.4%±2.8Highest
NH: 20.1%
Exeter and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
64%Highest
NH: 40.6%
59.6%
NH: 40.6%
59.2%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
3.8%±1.2Lowest
NH: 6%
4.8%±6
NH: 6%
6.1%±1.8Highest
NH: 6%
Exeter and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7kLowest
7% above NH
$106,403±$54k
7% above NH
$110,346±$13kHighest
11% above NH
Exeter and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$688,500±$39kHighest
71% above NH
$343,100±$39kLowest
15% below NH
$456,600±$21k
13% above NH
Rentmedian gross, monthly
$1,869±$111Highest
25% above NH
—
$1,856±$223Lowest
24% above NH
Portsmouth and Exeter are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$8,018
20% above NH
$7,605Lowest
14% above NH
$8,814Highest
32% above NH
Renters paying 30%+of income on rent
50.4%±7.2Lowest
NH: 48.2%
—
59%±11.3Highest
NH: 48.2%
Exeter and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%Highest
NH: 7.2%
0%Lowest
NH: 7.2%
4.7%
NH: 7.2%
Housing
Homeownersof occupied homes
51.9%Lowest
NH: 72.8%
100%Highest
NH: 72.8%
69.1%
NH: 72.8%
Typical home builtmedian year
1959Lowest
20 yrs older than NH
1987Highest
8 yrs newer than NH
1979
same as NH
Getting to work
Average commuteone way
22 minLowest
17% below NH
23 min
16% below NH
25 minHighest
7% below NH
Work from home
21.9%±4Highest
NH: 16.8%
13.8%±6.2Lowest
NH: 16.8%
19.9%±3.7
NH: 16.8%
Portsmouth and Exeter 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 #11 of 120 in NH #6 of 120 in NH #22 of 120 in NH
School district Portsmouth School District Grantham School District Exeter Region Cooperative School District · Exeter School District
High school in town Portsmouth High School None in town Exeter High School
Students per teacherat that high school
11.4Lowest
—
12.1Highest
On TownTapestry
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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.