Compare towns

Portsmouth vs New Castle vs Dover vs Newington

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 shortest commute (22 min average).
New Castle has the most expensive homes ($1701k median).
Dover has the most affordable homes ($437k 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.

MeasurePortsmouthNew CastleDoverNewington
People
Population
22,545
827Lowest
33,364Highest
939
Growth since 20102010 → 2020 census
+5.7%
NH: +4.6%
+3.3%Lowest
NH: +4.6%
+9.2%Highest
NH: +4.6%
+7.7%
NH: +4.6%
Median age
42.9±2
about the NH average
62.8±6Highest
45% above NH
36.9±1.9Lowest
15% below NH
48.7±10.1
12% above NH
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14%±1.9
NH: 18.2%
12.9%±7.1Lowest
NH: 18.2%
16.9%±1.8Highest
NH: 18.2%
15.7%±4.9
NH: 18.2%
Dover and Newington 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%
44.3%±16.1Highest
NH: 20.1%
16.8%±1.8Lowest
NH: 20.1%
28%±11
NH: 20.1%
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
64%
NH: 40.6%
68.8%Highest
NH: 40.6%
52%Lowest
NH: 40.6%
62.4%
NH: 40.6%
Enrolled in collegeshare of residents
3.8%±1.2
NH: 6%
0.6%±1.8Lowest
NH: 6%
6.2%±1.2Highest
NH: 6%
3.9%±1.8
NH: 6%
Dover and Newington are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7k
7% above NH
$176,953±$29kHighest
79% above NH
$94,829±$7kLowest
4% below NH
$145,833±$46k
47% above NH
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$688,500±$39k
71% above NH
$1,701,300±$267kHighest
323% above NH
$436,700±$20kLowest
8% above NH
$861,600±$46k
114% above NH
Rentmedian gross, monthly
$1,869±$111
25% above NH
$3,501Highest
135% above NH
$1,607±$100Lowest
8% above NH
$2,292±$795
54% above NH
Property taxmedian, yearly
$8,018
20% above NH
$8,509Highest
28% above NH
$8,249
24% above NH
$6,081Lowest
9% below NH
Renters paying 30%+of income on rent
50.4%±7.2
NH: 48.2%
0%±85.7Lowest
NH: 48.2%
48.6%±6.3
NH: 48.2%
62.9%±44Highest
NH: 48.2%
Newington and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%
NH: 7.2%
4.6%
NH: 7.2%
8.3%Highest
NH: 7.2%
4%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
51.9%Lowest
NH: 72.8%
93%Highest
NH: 72.8%
52.7%
NH: 72.8%
86.9%
NH: 72.8%
Typical home builtmedian year
1959Lowest
20 yrs older than NH
1975
4 yrs older than NH
1976
3 yrs older than NH
1984Highest
5 yrs newer than NH
Getting to work
Average commuteone way
22 minLowest
17% below NH
33 minHighest
22% above NH
23 min
15% below NH
23 min
13% below NH
Work from home
21.9%±4
NH: 16.8%
40.1%±19.4Highest
NH: 16.8%
18.6%±2.5
NH: 16.8%
8%±2.4Lowest
NH: 16.8%
New Castle and Portsmouth 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 — #64 of 120 in NH —
School district Portsmouth School District New Castle School District Dover School District Newington School District
High school in town Portsmouth High School None in town Dover Senior High School None in town
Students per teacherat that high school
11.4Lowest
—
12.7Highest
—
On TownTapestry
Old photos in Our Story None yet 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.