Compare towns

Dover vs Portsmouth vs Plymouth vs South Berwick

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

What stands out worked out from the figures below

Dover has grown the fastest since 2010 (+9.2%).
Portsmouth has the most expensive homes ($689k median).
Plymouth has the youngest population (median age 22.8).
South Berwick has the most kids (26.7% under 18).
Plymouth is a college town. 42.5% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.

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.

MeasureDoverPortsmouthPlymouthSouth Berwick
People
Population
33,364Highest
22,545
4,969Lowest
7,670
Growth since 20102010 → 2020 census
+9.2%Highest
U.S.: +7.4%
+5.7%
U.S.: +7.4%
+6.1%
U.S.: +7.4%
+3.4%Lowest
U.S.: +7.4%
Median age
36.9±1.9
5% below U.S.
42.9±2Highest
10% above U.S.
22.8±0.9Lowest
41% below U.S.
39±2.5
about the U.S. average
Portsmouth and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
16.9%±1.8
U.S.: 22%
14%±1.9
U.S.: 22%
13.3%±4.1Lowest
U.S.: 22%
26.7%±6Highest
U.S.: 22%
Age 65+
16.8%±1.8
U.S.: 17.2%
21.9%±2.4Highest
U.S.: 17.2%
9.4%±2.8Lowest
U.S.: 17.2%
15.8%±3
U.S.: 17.2%
Bachelor’s degree+adults 25+
52%
U.S.: 35.7%
64%Highest
U.S.: 35.7%
63.7%
U.S.: 35.7%
41.8%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
6.2%±1.2
U.S.: 6.4%
3.8%±1.2Lowest
U.S.: 6.4%
42.5%±2.1Highest
U.S.: 6.4%
4.2%±1.9
U.S.: 6.4%
Cost of living
Household incomemedian
$94,829±$7k
17% above U.S.
$106,219±$7kHighest
32% above U.S.
$89,500±$32kLowest
11% above U.S.
$99,572±$13k
23% above U.S.
Portsmouth and South Berwick are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$436,700±$20k
31% above U.S.
$688,500±$39kHighest
107% above U.S.
$294,400±$28kLowest
12% below U.S.
$428,300±$26k
29% above U.S.
Rentmedian gross, monthly
$1,607±$100
14% above U.S.
$1,869±$111Highest
32% above U.S.
$1,296±$295Lowest
8% below U.S.
$1,726±$83
22% 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
$8,249Highest
164% above U.S.
$8,018
157% above U.S.
$6,483
108% above U.S.
$4,956Lowest
59% above U.S.
Renters paying 30%+of income on rent
48.6%±6.3
U.S.: 51.1%
50.4%±7.2
U.S.: 51.1%
31.8%±10.7Lowest
U.S.: 51.1%
53.5%±24.5Highest
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
8.3%
U.S.: 12.5%
6.8%
U.S.: 12.5%
17%Highest
U.S.: 12.5%
3.4%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
52.7%
U.S.: 65.2%
51.9%
U.S.: 65.2%
50.7%Lowest
U.S.: 65.2%
78.3%Highest
U.S.: 65.2%
Typical home builtmedian year
1976
4 yrs older than U.S.
1959Lowest
21 yrs older than U.S.
1971
9 yrs older than U.S.
1982Highest
2 yrs newer than U.S.
Getting to work
Average commuteone way
23 min
14% below U.S.
22 min
16% below U.S.
16 minLowest
38% below U.S.
27 minHighest
about the U.S. average
Work from home
18.6%±2.5
U.S.: 15.1%
21.9%±4Highest
U.S.: 15.1%
10.5%±4Lowest
U.S.: 15.1%
17.6%±5.8
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 #64 of 120 in NH #11 of 120 in NH #47 of 120 in NH #58 of 133 in ME
School district Dover School District Portsmouth School District — RSU 35/MSAD 35
High school in town Dover Senior High School Portsmouth High School — Marshwood High School
Students per teacherat that high school
12.7
11.4Lowest
—
13.0Highest
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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.