Compare towns

Portsmouth vs South Berwick vs Dover vs Newmarket

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Portsmouth has the most expensive homes ($689k median).
South Berwick has the most kids (26.7% under 18).
Dover has grown the fastest since 2010 (+9.2%).

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.

MeasurePortsmouthSouth BerwickDoverNewmarket
People
Population
22,545
7,670Lowest
33,364Highest
9,463
Growth since 20102010 → 2020 census
+5.7%
U.S.: +7.4%
+3.4%Lowest
U.S.: +7.4%
+9.2%Highest
U.S.: +7.4%
+5.5%
U.S.: +7.4%
Median age
42.9±2Highest
10% above U.S.
39±2.5
about the U.S. average
36.9±1.9Lowest
5% below U.S.
41.2±1.9
6% above U.S.
Portsmouth and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14%±1.9Lowest
U.S.: 22%
26.7%±6Highest
U.S.: 22%
16.9%±1.8
U.S.: 22%
15.6%±2.7
U.S.: 22%
Age 65+
21.9%±2.4Highest
U.S.: 17.2%
15.8%±3Lowest
U.S.: 17.2%
16.8%±1.8
U.S.: 17.2%
16.1%±2.8
U.S.: 17.2%
Bachelor’s degree+adults 25+
64%Highest
U.S.: 35.7%
41.8%Lowest
U.S.: 35.7%
52%
U.S.: 35.7%
49.7%
U.S.: 35.7%
Enrolled in collegeshare of residents
3.8%±1.2Lowest
U.S.: 6.4%
4.2%±1.9
U.S.: 6.4%
6.2%±1.2Highest
U.S.: 6.4%
5.6%±1.9
U.S.: 6.4%
Dover and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7kHighest
32% above U.S.
$99,572±$13k
23% above U.S.
$94,829±$7kLowest
17% above U.S.
$100,845±$13k
25% above U.S.
Portsmouth and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$688,500±$39kHighest
107% above U.S.
$428,300±$26kLowest
29% above U.S.
$436,700±$20k
31% above U.S.
$455,000±$22k
37% above U.S.
Rentmedian gross, monthly
$1,869±$111Highest
32% above U.S.
$1,726±$83
22% above U.S.
$1,607±$100Lowest
14% above U.S.
$1,671±$69
18% above U.S.
Portsmouth and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$8,018
157% above U.S.
$4,956Lowest
59% above U.S.
$8,249
164% above U.S.
$8,734Highest
180% above U.S.
Renters paying 30%+of income on rent
50.4%±7.2
U.S.: 51.1%
53.5%±24.5Highest
U.S.: 51.1%
48.6%±6.3
U.S.: 51.1%
46.3%±8.3Lowest
U.S.: 51.1%
South Berwick and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%
U.S.: 12.5%
3.4%Lowest
U.S.: 12.5%
8.3%Highest
U.S.: 12.5%
4.6%
U.S.: 12.5%
Housing
Homeownersof occupied homes
51.9%Lowest
U.S.: 65.2%
78.3%Highest
U.S.: 65.2%
52.7%
U.S.: 65.2%
52.9%
U.S.: 65.2%
Typical home builtmedian year
1959Lowest
21 yrs older than U.S.
1982
2 yrs newer than U.S.
1976
4 yrs older than U.S.
1983Highest
3 yrs newer than U.S.
Getting to work
Average commuteone way
22 minLowest
16% below U.S.
27 min
about the U.S. average
23 min
14% below U.S.
28 minHighest
7% above U.S.
Work from home
21.9%±4Highest
U.S.: 15.1%
17.6%±5.8
U.S.: 15.1%
18.6%±2.5
U.S.: 15.1%
17.3%±3.3Lowest
U.S.: 15.1%
Portsmouth and Dover 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 #58 of 133 in ME #64 of 120 in NH #39 of 120 in NH
School district Portsmouth School District RSU 35/MSAD 35 Dover School District Newmarket School District
High school in town Portsmouth High School Marshwood High School Dover Senior High School Newmarket Jr.-Sr. High School
Students per teacherat that high school
11.4
13.0Highest
12.7
9.9Lowest
On TownTapestry
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U.S. 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.